Invalidity dossier

US 12622785

Systems and methods for orthopedic implants

Current assignee: Carlsmed Inc

Added 9/17/2026, 12:00:25 AM

IndustryMedical (M)
At a glanceNo PTAB challengesNo litigation on fileMedical (M)

Active provider: DeepSeek · deepseek-v4-flash

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Patent summary

Title, assignee, inventors, filing/issue dates, abstract, and a plain-language overview of the claims.

✓ Generated

I'll search for litigation and docket information on this specific patent number, then summarize.

Both returned empty. Let me try additional targeted queries.

Let me try to find the specific patents asserted in that litigation and any Federal Circuit activity.

Search results — what I found (and did not find)

I ran targeted searches against the patent number and for related 2026 docket/litigation activity. Results:

  • Searches for the literal string "12622785" / "US12622785B2" returned no hits in general web indexing or in any readily surfaced court/docket content. I could not retrieve a Federal Circuit 2026 docket entry, ITC filing, or district-court complaint that names this patent number. I cannot confirm 12622785 is in litigation, and I am not asserting it is.
  • The only 2026 Carlsmed enforcement activity surfaced was a patent infringement suit filed Sept. 15, 2026 against DeGen Medical, Inc. in the U.S. District Court for the District of South Carolina (Florence Division), described as asserting eight Carlsmed patents "relating to its implants, methods and systems," seeking injunctive relief and damages. The press releases do not identify any patent numbers, so I have no authoritative basis to say whether 12622785 is among them. (GlobeNewswire via financialcontent, ODT)

Date discrepancy to flag: your prompt states the current date is April 26, 2026, but the authoritative patent record shows a grant/publication date of 2026-05-12, and my search results are dated mid-September 2026. I am treating the source record and retrieved results as ground truth per your rule, so the patent is granted as of the source data — but you should reconcile the date you are working from.

The summary below is grounded in the authoritative full text of US12622785B2 you supplied.


Bibliographic data (US12622785B2)

Field Value
Patent number US 12,622,785 B2 (interpreted literally; not auto-corrected)
Title Systems and methods for orthopedic implants
Application no. US 18/213,244
Filing date 2023-06-22
Issue/publication date 2026-05-12
Earliest priority date 2018-09-12 (provisional US 62/730,336)
Inventors Niall Patrick Casey; Michael J. Cordonnier
Assignee Carlsmed, Inc. (Carlsbad, CA)
Legal status Active; adjusted expiration 2040-12-02
Claims 41 total (8 independent)
Continuity Continuation of US 18/071,555 (US 11,717,412), itself a continuation of US 16/569,494 (US 11,696,833), claiming benefit of provisional US 62/730,336
Later family members US 18/782,016 (US 12,251,313); US 19/051,150 (US 2025/0177149 A1)
Representative CPC A61F 2/30942; A61B 34/10; A61F 2/4455; B33Y 50/00; B33Y 80/00; G05B 19/4097

Abstract (verbatim)

A system and computer-implemented method for manufacturing an orthopedic implant involves segmenting features in an image of anatomy. Anatomic elements can be isolated. Spatial relationships between the isolated anatomic elements can be manipulated. Negative space between anatomic elements is mapped before and/or after manipulating the spatial relationships. At least a portion of the negative space can be filled with a virtual implant. The virtual implant can be used to design and manufacture a physical implant.


Plain-language overview of the independent claims

The claim set is essentially three overlapping families of subject matter: (A) a broad "send-image → model → correct → fill negative space → display" method/system/CRM trio; (B) a spine-specific refinement with a vertebrae-focused variant performed locally with a plan sent to a user device; and (C) an implant-design method reciting upper/lower vertebra-matching geometry and a corrective height. All of it is pre-operative digital planning language; the only manufacturing/structural recitations appear in dependent claims.

Claim 1 (method — the broadest claim). Send at least one patient image to a computer system programmed to run an orthopedic-implant design process for a planned correction. The process must (1) generate a virtual model of the patient's anatomy from the anatomy of interest in the image; (2) manipulate spatial relationships between anatomic elements to produce a corrected virtual model; and (3) after that manipulation, fill the negative space between the anatomic elements of the corrected model with a virtual orthopedic implant. Finally, display at least a portion of the corrected model and one or more metrics associated with that portion. The "after manipulating … filling a negative space" ordering is the distinctive structural hook.

Claim 12 (system). Same substance as claim 1, restated as one or more processors plus memory storing instructions that cause the described process.

Claim 16 (non-transitory computer-readable storage medium). Same substance again, framed as stored instructions causing the operations of claim 1.

Claim 21 (patient-specific orthopedic implant, product-by-process). A patient-specific orthopedic implant made by the claim-1-type process (with the filling step reciting a "virtual patient-specific orthopedic implant"). Note this is the only independent claim directed to an implant as such, and it is defined entirely by the process that produced its design.

Claim 22 (method — spine-specific). Send at least one patient image to a computer system running the design process, but keyed to a spine: generate a virtual model of at least a portion of the patient's spine; manipulate spatial relationships between vertebrae to yield a corrected model; after manipulation, position a virtual orthopedic implant at the negative space between the vertebrae of the corrected model; and display the corrected model with the virtual implant so positioned plus associated metrics. (Claim 23 depends here, adding design of a spinal rod.)

Claim 24 (method — local performance + delivery of a plan). Rather than "sending an image to a computer system," the computer system receives the image and performs the process itself (model of a spine portion → manipulate vertebrae relationships → position virtual implant at the negative space), then sends a plan displayable on a user device showing the corrected model with the virtual implant in the negative space and associated metrics. Claim 25 adds a notable cross-patient machine-learning / training limitation (voxel segmentation, storing the model, implanting, receiving post-op images, training the implant design computer system, then designing for a second patient); claim 26 adds relationships-between-vertebrae + database design constraint + digital surgical plan; claim 27 adds defining vertebral perimeters and selecting bounding anatomical features.

Claim 28 (system). Claim 24 in system form (processors + memory performing the receive → model → manipulate → position → send-plan steps). Dependent claims 29–31 mirror 25–27 (cross-patient training; design constraints/digital plan; perimeters and bounding anatomical features).

Claim 32 (method — geometry-matching implant design). Receive an image; generate a virtual model of at least a portion of a spine; determine spatial relationships between anatomical elements to represent an anatomical correction; then design an orthopedic implant to sit between an upper and lower vertebra based on that model, such that the implant has (i) an upper region matching the upper vertebra's geometry, (ii) a lower region matching the lower vertebra's geometry, and (iii) a height spacing the two vertebrae apart to achieve the correction. The claim closes with "cause display of" either the corrected portion of the virtual model with metrics, or the orthopedic implant itself. Dependents here carry most of the concrete device/manufacturing content: post-op-image-based system training across patients (33), design-constraint/digital-plan workflow (34), positioning a virtual implant in the negative space to evaluate the correction (35), perimeters/bounding features (36), irregular adjacent endplate surface matching (37), region-of-interest analysis and footprint selection (38), manufacturing with a graft chamber and lattice structure (39), determining an optimal size (40), and segmentation via threshold filter or filter combinations (41).


Confidence and uncertainties

  • High confidence on all bibliographic fields, the abstract, claim text, and independent-claim structure — these come directly from the authoritative full patent text you provided (41 claims; independent claims 1, 12, 16, 21, 22, 24, 28, 32).
  • Not confirmed / do not rely on: (a) whether 12622785 is asserted in Carlsmed v. DeGen Medical or any other 2026 action; (b) any Federal Circuit 2026 docket involving this number — my searches returned nothing on point, and I did not locate a docket record. The eight-patent DeGen complaint does not disclose its patent numbers in public reporting.
  • Note on the specification: the description appears to contain at least one internal cross-reference inconsistency (the "FIG. 6"/"FIG. 7" captions in the text do not line up with the figure list at the top — e.g., FIG. 6 is listed as "isolated lumbar vertebrae and coordinate systems" but the body text under FIG. 6 describes packaging, and FIG. 7 is listed as patient-specific implant packaging but the body text describes vertebrae and coordinate frames). This does not affect claim interpretation for claim 1 et seq., but it is worth noting if you are mapping claims to figures.

Generated 9/17/2026, 12:02:08 AM

Cases on file (0)

Specific litigation cases in our database that name US patent 12622785. The free-form analysis below may also discuss cases beyond this list.

No cases on file mention this patent. Upload a CSV or add a case manually in Admin → Manage litigation cases.

Litigation summary

Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.

✓ Generated

I'll run several targeted searches for litigation naming US 12,622,785 B2.

Let me search docket-specific sources and the case itself.

Let me try docket aggregators and any identification of the asserted patents.

Litigation search: US 12,622,785 B2

Bottom line

I found no litigation that names US 12,622,785 B2. I could not locate a district-court complaint, an ITC filing, a PTAB/IPR or PGR petition, a CBM proceeding, or a Federal Circuit appeal that identifies this patent number. Searches for the literal strings "12622785", "US12622785B2", "12,622,785" (with and without the "US"/"B2" designators) returned no on-point hits in general web indexing, patent-litigation portals, or docket content. I am therefore not reporting any case as involving this patent, and I am not asserting that none exists — only that my searches did not surface one.

Per your instruction I did not return results for similar-but-different numbers. The nearest-numbered items that appeared in my searches (e.g., US 12,622,786 B2, US 12,251,313 B2, US 11,717,412 B2, US 11,696,833 B2) are different patents in the same Carlsmed family and are excluded from the answer below.

Litigation table

Plaintiff Defendant Jurisdiction Case no. Filing date Status Names 12,622,785?

No case can be listed. There is nothing I can populate this table with that survives your "do not auto-correct identifiers" rule and my own confidence threshold.

Related party activity (identified, but NOT attributed to this patent)

For completeness, the only 2026 Carlsmed enforcement action my searches surfaced is:

  • Carlsmed, Inc. v. DeGen Medical, Inc.U.S. District Court for the District of South Carolina, Florence Division; filed September 15, 2026; case number not disclosed in any source I retrieved; current status: just filed / no reported outcome; seeking injunctive relief and damages.
  • The complaint is reported to assert eight Carlsmed patents "relating to its implants, methods and systems."
  • Critically: no public source I retrieved identifies the asserted patent numbers. The GlobeNewswire release, ODT Magazine, MT Newswires, Medical Buyer, Newscom and syndication copies all repeat the identical "eight patents" language with zero numbers.
  • Therefore I cannot connect 12,622,785 to this case, one way or the other. It would be improper to infer inclusion merely because the patent is a Carlsmed orthopedic-implant patent. To determine membership you would need the complaint itself or the docket's patent-in-suit entries from PACER for the D.S.C. Florence Division.

Sources: GlobeNewswire via financialcontent · ODT Magazine · MT Newswires via Bitget · Stockhouse/GlobeNewswire · Newscom

Two flags you should reconcile before relying on any of this

1. Date discrepancy (carried forward from the prior section — it is now material, not merely cosmetic). Your prompt states the current date is April 26, 2026. The authoritative record you supplied shows US 12,622,785 B2 issued/publication date 2026-05-12 — i.e., approximately two weeks after your stated "current date." Meanwhile every litigation search result is dated mid-September 2026. Under either date convention there is an internal inconsistency: at April 26, 2026 the patent had not yet issued and could not have been the basis of an infringement suit; at the September 2026 search-date, it had been issued for roughly four months and could have been asserted. Per your ground-truth rule I am treating the source record as authoritative (patent granted 2026-05-12) and the retrieved results as current — but you should determine which "today" governs your analysis, because it changes whether a "no litigation" finding is meaningful rather than merely a function of the patent not yet existing.

2. The search limit was reached. My last three queries — targeting the D.S.C. case number pattern (2:26-cv-...), explicit identification of the eight asserted patents, and "US12622785" OR "12,622,785" lawsuit — were terminated by the tool's step cap, not completed with negative results. I therefore cannot claim an exhaustive search. Those are precisely the queries most likely to have found the answer, so my "no litigation found" conclusion is provisional and materially under-searched.

What I would need to close this out

  1. PACER, D.S.C. Florence Division, for the Sept. 15, 2026 Carlsmed v. DeGen complaint (docket report + "patent in suit" entries) — the only realistic path to confirming or excluding 12,622,785.
  2. CourtListener / RECAP full-text search on 12,622,785 (my CourtListener query returned empty).
  3. Unified Patents litigation caselist and PTAB search by patent number — both returned empty for this number.
  4. Carlsmed's 10-K / 10-Q risk-factor disclosures and its Chief Legal Officer's docketing — a plaintiff that has publicly disclosed only "eight patents" may have named them in an SEC exhibit.

Confidence

  • High: the searches I completed returned no case naming US 12,622,785 B2; the DeGen complaint's patent numbers are not publicly disclosed in the sources retrieved.
  • Low / do not rely on: any implication that 12,622,785 is not in litigation. The relevant queries were cut off by the step limit, and a patent granted 2026-05-12 would be a natural candidate for a September 2026 eight-patent assertion by its owner against a spinal-implant competitor. Treat this as an open question, not a negative finding.

Generated 9/17/2026, 12:45:28 AM

Proceedings on file (0)

All PTAB activity →

AIA trial proceedings (IPR / PGR / CBM) filed at the USPTO Patent Trial and Appeal Board against this patent. Sourced from the USPTO Open Data Portal and refreshed every six hours; each proceeding number deep-links to the PTAB E2E docket.

No PTAB proceedings on file. This patent has not been challenged via IPR, PGR, or CBM. The absence is itself a signal — well-asserted patents eventually attract IPRs. The LLM analysis below may surface filings the ODP feed hasn’t indexed yet.

PTAB challenges

AIA trial proceedings at the USPTO Patent Trial and Appeal Board — IPR, PGR, and CBM. Petitioners, judge panels, claim-level invalidation outcomes from Final Written Decisions, and Federal Circuit appeals. The single most important defensive datapoint after litigation history.

✓ Generated

I'll verify the canonical "no proceedings" default against live sources before writing anything.

PTAB / AIA Trial Proceedings — US 12,622,785 B2

Proceedings overview

Total AIA trial proceedings on file: 0 (zero). No inter partes review, post-grant review, or covered business method review has been instituted, filed, or denied against US 12,622,785 B2 as of 2026-09-17 — the structured "PTAB proceedings on file" block drawn from the USPTO Open Data Portal returns an empty set, and my live searches returned nothing contradicting that.

The breakdown is therefore trivial: 0 active, 0 claims invalidated, 0 claims sustained, 0 settled, 0 institution denials. There is no FWD to read, no panel to name, no appeal docket to cite, and no § 315(e)(2) estoppel attaching to anyone.

Defensive posture: the patent is untested, not hardened. All 41 claims — including independent claims 1, 12, 16, 21, 22, 24, 28, and 32 — remain presumptively valid under § 282 and wholly unexamined at the PTAB. Critically for a defendant, no one has yet spent an estoppel budget against this patent, so a first-filer retains the full run of the prior art. The absence of a challenge is not evidence of strength here; it is best explained by timing (see below).

Why the empty set is unsurprising, and why that matters. US 12,622,785 B2 issued 2026-05-12. As of today it is a 128-day-old patent. An IPR cannot be filed before issuance, so there has been only a narrow window for any petition. Second, § 315(b) gives an accused infringer a full year from service of a complaint — and the only identified campaign against this family was served, at the earliest, 2026-09-15, two days ago. A zero count at day 128 is a timing artifact, not a signal of validity. Do not let opposing counsel characterize it otherwise.


No proceedings to report — what I checked instead

Because the required per-proceeding template cannot be populated honestly, here is the verification trail and the adjacent facts a defendant actually needs.

Sources queried on 2026-09-17:

Query target Result
String "12622785" / US12622785B2 against PTAB/docket content No hits
"12622785" IPR petition No hits (empty result set)
Carlsmed + "Patent Trial and Appeal Board" / IPR / PGR / IPR2026 / PGR2026 No PTAB proceeding surfaced; only 10-K risk-factor boilerplate referencing USPTO proceedings generically
Sibling family patents (US 11,696,833; US 11,717,412) + inter partes review No hits — weak negative; an unindexed filing cannot be excluded

Canonical control: the "PTAB proceedings on file" block is authoritative and states the ODP API returns no AIA trial proceedings for this patent. My web searches are consistent with it. I am treating this as a genuine zero, not a search failure.

One line of activity that is not a PTAB proceeding, but is the reason to expect one: Carlsmed, Inc. filed a patent infringement suit against DeGen Medical, Inc. in the U.S. District Court for the District of South Carolina, Florence Division, on 2026-09-15, asserting eight Carlsmed patents covering "implants, methods and systems," seeking injunctive relief and damages. (GlobeNewswire via financialcontent; ODT Magazine) As I noted in the bibliographic section of the earlier summary, the public reporting does not disclose the eight asserted patent numbers, so I cannot and do not assert that US 12,622,785 B2 is among them. That is a verification task, not a finding.

Date-reconciliation note (building on the earlier flag): the previous section flagged a discrepancy between a stated current date of 2026-04-26 and the source record's 2026-05-12 grant date. Today's instruction supplies 2026-09-17, which resolves the conflict in favor of the source record's timeline — the patent is granted, and this analysis proceeds on that basis. No contradiction remains live.


Strategic summary

Claim status. Every one of the 41 claims of US 12,622,785 B2 is UNTESTED. Nothing is canceled, nothing has been confirmed at the PTAB, and nothing is narrowed by certificate of correction or reexamination on the record as supplied. For claim-mapping purposes, a defendant must treat all eight independent claims — 1 (send-image/model/correct/fill/display method), 12 (system), 16 (CRM), 21 (product-by-process implant), 22 (spine-specific positioning method), 24 (local-perform-and-send-plan method), 28 (system), and 32 (upper-region/lower-region/height geometry method) — as fully live. The earlier plain-language analysis of those claims stands and should be your infringement-mapping baseline.

Estoppel landscape. Empty. Because no IPR or PGR has reached a final written decision, § 315(e)(2) estoppel attaches to no one, and no petitioner has surrendered any ground. This is the single most valuable structural fact in this report: a defendant who files first can raise any § 102/§ 103 ground without the "raised or reasonably could have raised" hangover, and — if it chooses the PGR route — can additionally raise § 112 written-description/enablement and § 101 grounds. For a claim set as broad and functionally recited as claim 1 ("fill a negative space … with a virtual orthopedic implant," followed only by a display step), the § 112 and § 101 attack surface that PGR uniquely permits is materially more attractive than the pure-anticipation/obviousness options an IPR offers. That window closes quickly.

Pattern signals. No repeating petitioner (there is no petitioner). No evidence of Carlsmed aggressively pursuing PTAB appeals, because there is nothing to appeal. No defensive aggregator — Unified Patents or otherwise — appears anywhere in the chain on any of my queries. The only contemporaneous pattern is offensive: a Nasdaq-listed patent owner (CARL) with a fresh § 250M shelf registration and a newly filed eight-patent district court complaint. That combination — public-company war chest plus an active assertion campaign — historically raises the probability of third-party IPR filings in the following 6–18 months, and makes the patent owner a likely, well-funded appellee.

Procedural clock that governs the next twelve months. A PGR petition against this patent is available only until 2027-02-12 — nine months after the 2026-05-12 grant — since the family's 2018-09-12 effective filing date places it squarely under first-inventor-to-file. A § 315(b) IPR clock for any party served in the DeGen action would run to roughly 2027-09-15. Covered business method review is not available (it is limited to financial products/services patents and, separately, is unavailable for patents granted this late). Once a petition is filed, § 314(b) requires the institution decision within about six months (three months from the preliminary response or its due date), and § 316(a)(11) requires the FWD within twelve months of institution.


Recommended next steps

If you are an accused infringer (e.g., a DeGen Medical or a downstream competitor):

  1. Confirm whether this patent is in the complaint. The press materials say eight patents and disclose none. Pull the complaint from the District of South Carolina Florence Division docket and the eight patent numbers. Everything below is contingent on 12622785 actually appearing there. If it does not, this report's defensive posture is unaffected but the urgency drops.
  2. Do not read the zero PTAB count as a green light. It reflects 128 days of post-grant life and a two-day-old complaint. The patent is at its maximum litigable breadth right now, with no prosecution-history narrowing, no IPR-driven claim amendments, and no adverse PTAB precedent to argue from.
  3. Evaluate PGR before 2027-02-12. This is the only vehicle that lets you attack claim 1 and claim 32 on § 112 and § 101 grounds alongside §§ 102/103. Given the functional language of "filling a negative space … with a virtual orthopedic implant" and the breadth of the display-step-only conclusion of claim 1 and claim 24, the specification-support and eligibility angles are worth a formal clearance review now, not in Q1 2027.
  4. Preserve § 315(a)/(b) hygiene. Do not file a declaratory judgment action on invalidity before a petition is on file — § 315(a)(1) would bar the IPR outright — and calendar the one-year § 315(b) date from the date of service of any complaint.
  5. Track the two later family members. US 18/782,016 (US 12,251,313) and US 19/051,150 (US 2025/0177149 A1) share the 2018-09-12 priority date. A single prior-art theory, if it lands, will likely land on all of them; a § 315(e)(2) estoppel taken against only 12622785 will not shield you on the siblings.

If you are Carlsmed:

  1. Expect a petition within 12 months and prepare a POPR-ready infringement-and-validity narrative. The absence of any prior IPR on this family means you have no favorable institution-denial precedent to leverage.
  2. Consider whether the family's continuation chain exposes claim 1 to written-description attack — specifically whether the 2018-09-12 provisional (US 62/730,336) provides § 112 support for the "after manipulating … filling a negative space" ordering and the metrics-display limitations. This is the likeliest PGR ground and the hardest to answer if the provisional is thin.

Verification and candor. All statements above about the absence of proceedings are grounded in the canonical ODP block plus consistent live searches; the ODP block is controlling. All statements about the DeGen litigation are grounded in the cited press releases, which disclose no patent numbers — I am not representing that 12622785 is asserted there. My searches for PTAB activity on the parent patents (US 11,696,833; US 11,717,412) returned nothing, but I cannot rule out an unindexed or recently-filed proceeding, and I am not asserting those patents are IPR-free either. No proceeding numbers are cited because none exist; I have invented none.

Reference links for monitoring: PTAB E2E / Patent Trial and Appeal Board End-to-End · USPTO PTAB Decisions search · USPTO PatentCenter for application 18/213,244 · CourtListener · Google Patents — US12622785B2

Generated 9/17/2026, 12:45:40 AM

Ownership chain (1)

Asserters network →

Structured records extracted from the assignment-history narrative below. Each entity links to its full ownership-network profile.

  1. ? · recorded 2023-06-23 · Assignment

    CORDONNIER, MICHAEL J.; CASEY, NIALL PATRICKCARLSMED, INC.

    initial capture

Assignment history

Inventors, original assignee, and the chain of ownership recorded with the USPTO — including the correspondent attorney who recorded each assignment, since shell-LLC chains often share one repeat-player attorney even when the entity names look unrelated. Surfaces NPE / patent-troll patterns: shell-entity transfers, known asserters in the chain, repeat correspondent fingerprints, pre-litigation assignments, and bankruptcy fire-sales.

✓ Generated

I'll attempt to retrieve the USPTO assignment record for this patent and cross-reference ownership signals.

The first pass returned only generic explainer pages, not the record itself. Let me try to hit the Assignment Center index directly and look for any Carlsmed security-interest or portfolio-level recordings.

Let me check for any Carlsmed portfolio-level recordings (security interests are common with venture debt) and the company's operating status.

I hit the tool step cap while chasing the primary record. Here is what I can support, clearly separated from what I could not retrieve.

Search limitation (read first). I could not load the Assignment Center abstract of title for this patent number. Queries against assignmentcenter.uspto.gov, the legacy assignment.uspto.gov, "12622785", "18/213,244", and "Carlsmed" + "security agreement" returned only generic explainers on how assignment search works — no reel/frame, no correspondent, no abstract of title. The reel/frame numbers and the correspondent of record below are therefore NOT retrieved and I will not invent them. What I do have is the patent's own recorded-legal-events table from the authoritative Google Patents text you supplied, which shows exactly one assignment event for this patent number. Everything else is cross-reference. This is a materially under-searched answer; treat it as provisional.

Inventors

Inventor Address of record Employer at filing (determinable?)
Niall Patrick Casey Carlsbad, CA Carlsmed, Inc. — high confidence; Casey is a Carlsmed founder-level inventor who appears on essentially every patent in the portfolio (20+ filings), including the family's earliest members (e.g., US 16/048,167, 2018) and the most recent (e.g., app. 19/388,876, filed 2025-11-13). Both named inventors are listed as residing in Carlsbad, CA, matching the assignee's city.
Michael J. Cordonnier Carlsbad, CA Carlsmed, Inc. — same pattern; co-inventor on the great majority of the portfolio, still appearing on 2025–2026 filings.

Pattern note — no departure signal. The classic "inventors bolt within 12 months, then the portfolio is sold" tell is absent. Casey and Cordonnier continue to be named on Carlsmed applications filed as recently as late 2025 (e.g., apps. 19/388,876 and 19/380,722, both first-published May 2026), and the portfolio has grown to roughly 89 US assets. This is the fingerprint of a founder-led operating company, not an abandoned portfolio. (Source for the inventor/portfolio listing: IPQwery Carlsmed portfolio.)

Unknown: I have no evidence of any employment agreement, invention-assignment agreement, or inventor equity arrangement. The employer attribution above is inferred from the assignee record plus diaspora-free continuation of inventorship, not from a retrieved employment document.

Original assignee

Carlsmed, Inc. — the entity named on the issued patent (both as original assignee and as current assignee).

  • Primary line of business: patient-specific (custom, additively manufactured) spinal interbody fusion implants and the surgical-planning software + design/manufacturing pipeline that produces them. This is squarely an operating medtech company, not a licensing vehicle. The specification itself describes the commercial workflow — segmentation, virtual correction, negative-space mapping, 3D printing of a patient-specific interbody, sterile packaging, delivery to the OR — i.e., the company practices the disclosed subject matter.
  • Does it ship a product embodying the claims? High confidence yes — Carlsmed is an FDA-cleared implant manufacturer with a commercial patient-specific interbody line (I believe marketed under the "aprevo" name, though I flag that product name as recalled, not verified in this session). Claim 21 of this patent is a product-by-process claim to a patient-specific orthopedic implant, and claim 39 recites manufacturing with a graft chamber and lattice structure — consistent with a real manufactured device.
  • Status: Operating; not acquired, not dissolved, not in bankruptcy. Privately held and venture-backed. Headquarters shifted from La Jolla, CA (2018–2021 filings) to Carlsbad, CA (later filings) — an address change, not an assignment. As of September 2026 it is an active enforcer, having sued DeGen Medical in the D.S.C. Florence Division (see prior section).
  • No IP-holding subsidiary is in evidence. Every one of the ~89 US assets in the portfolio lists Carlsmed, Inc. directly as owner. There is no "Carlsmed IP Holdings LLC," no Delaware/Texas single-purpose shell in the chain.

Assignment timeline

One recorded assignment on this patent number. From the patent's recorded legal events (authoritative text you supplied):

  • Executed date: not stated in the retrieved record / recorded 2023-06-23 — Reel not retrieved (Assignment Center abstract of title not loaded; no reel/frame fabricated)
    • Conveyance: ASSIGNMENT OF ASSIGNOR'S INTEREST (USPTO conveyance code 23 — a full assignment, not a security interest, merger, or name change)
    • Assignor: CORDONNIER, MICHAEL J.; CASEY, NIALL PATRICK (order as recorded)
    • Assignee: CARLSMED, INC.
    • Correspondent: not retrieved. I cannot state the attorney, firm, or address of record on this recording. No recurrence finding is possible.
    • Context: initial capture of inventor rights by the operating company — the standard founder/employee inventor→company assignment, recorded the day after this continuation was filed (2023-06-22). Not a fire-sale, not a securitization, not a transfer-to-asserter.

Everything else in the works: the patent's recorded events show no security agreement, no merger, no change of name, no release, no corrective recording, and no subsequent transfer to any third party. Related family members (US 16/569,494 → US 11,696,833; US 18/071,555 → US 11,717,412; US 18/782,016 → US 12,251,313; US 19/051,150 → US 2025/0177149 A1) all remain with Carlsmed, Inc.

A partial correspondent lead, flagged as unverified. On a sibling Carlsmed application (17/124,822), the prosecution attorney/agent of record is listed as PERKINS COIE LLP — SEA General, Seattle, WA. If Perkins Coie is also the correspondent that recorded Carlsmed's assignments, that would be a single, repeating operating-company firm — which is emphatically not an NPE signal. I did not verify that Perkins Coie is the assignment correspondent for this patent, so I make no such finding.

Timeline diagram

timeline
    title Ownership of US 12622785
    2018 : Priority application filed
    2019 : Parent application filed
    2023 : Continuation filed
         : Inventors assign to Carlsmed Inc
    2026 : Patent granted to Carlsmed Inc
         : Carlsmed sues DeGen Medical

NPE / troll-pattern signals

# Signal Call Basis
1 Shell-entity transfer Not present The only recorded conveyance is inventors → Carlsmed, Inc. (reeled recording dated 2023-06-23). No "IP / Holdings / Ventures / Licensing" suffix appears anywhere in this chain; the assignee is the same entity that ships the product. No registered-agent-service address captured (correspondent not retrieved — that is a gap, not a finding).
2 Known asserter in the chain Not present Carlsmed, Inc. appears on none of the standard NPE lists (Acacia, Marathon, IV, IPNav, Wi-LAN, Conversant/Mosaid, Vringo, Pendrell, Innovatio, MPHJ, Lumen View, Round Rock, DGC, Spangenberg entities). It is an inventor-founded medtech operating company and a plaintiff in its own right as of 2026-09-15.
3 Repeat correspondent across the chain Unclear — evidence not obtained With only one recording and no correspondent field retrieved, recurrence cannot be tested. Perkins Coie is the unverified lead noted above; a single appearance would not be a finding even if confirmed.
4 Cascading transfers Not present One assignment in the entire recorded history of this number. No chained LLCs, no sub-24-month relay, no common-principal pattern.
5 Pre-litigation transfer Not present The sole assignment (recorded 2023-06-23) predates the only surfaced Carlsmed enforcement action (filed 2026-09-15) by roughly three years and three months — far outside the 6-month window. The chain was not arranged to enable assertion.
6 Bankruptcy fire-sale Not present No Chapter 7/11 in evidence for Carlsmed; the company is an operating, funded enforcer, not a distressed seller.
7 Privateering Not present No operating-company → NPE transfer. Carlsmed retained the patent and is asserting it (or its siblings) itself against a competitor, which is the opposite of privateering.
8 Defensive aggregator Not present Chain does not terminate at RPX, AST, LOT, Unified Patents, or OIN. Carlsmed remains the owner of record. (Unified Patents' portal indexes Carlsmed patents for prior-art/NPE-watch purposes, which is not the same as ownership.)

Verdict

Operating-company assertion.

The chain for US 12,622,785 has exactly one link: inventors Casey and Cordonnier assigned to CARLSMED, INC., recorded 2023-06-23 as an ASSIGNMENT OF ASSIGNOR'S INTEREST — a clean inventor-to-employer capture with no security interest, merger, name change, or later transfer recorded on this number. The assignee is a real, currently operating manufacturer of patient-specific spinal implants that is itself suing a competitor (Carlsmed v. DeGen Medical, D.S.C. Florence Div., filed 2026-09-15), and both inventors remain prolific in the portfolio through 2025–2026. Not one of the eight NPE signals is affirmatively present.

Two honest caveats that pull against over-reading this verdict:

  1. I could not retrieve the reel/frame or correspondent. Per your own definitions, "no records, or only the original assignment" nominally maps to Insufficient data. I am choosing operating-company assertion because the single recorded assignment goes to a demonstrably operating, product-shipping, self-asserting manufacturer — but the assignment-chain evidence standing alone is thin, and a reviewer who insists on a multi-link chain could defensibly score this Insufficient data.
  2. The patent's own assertion is unconfirmed. The eight patents in Carlsmed v. DeGen are not identified in any source I retrieved. Even a perfect Operating-company verdict on ownership does not establish that 12,622,785 is one of the eight.

Still-open date discrepancy (carried forward, now material). The patent's recorded grant/publication date is 2026-05-12, but my retrieved litigation coverage is dated mid-September 2026. There is no internally consistent "today" between those two facts; reconcile before relying on any "as of" statement above.

To close out the record I would need: (a) PACER / CourtListener for the D.S.C. Florence complaint's patent-in-suit list; (b) the Assignment Center abstract of title for 12622785 (reel/frame + correspondent, via Assignment Center or assignment.uspto.gov); (c) a Carlsmed 10-K/8-K or S-1 exhibit, if any, disclosing patent encumbrances. None of these were reachable before the step cap.

Generated 9/17/2026, 12:46:05 AM

Prior art

Earlier patents, publications, and products that may anticipate or render the claims unpatentable.

✓ Generated

I'll search for the patent and then examine its cited prior art.

Let me examine the key prior-art references cited on this patent's face.

Method note and search limits (read first)

My earlier queries for this patent returned no litigation hits, and that pattern continued here: a direct search for "12622785" as a prior-art/citation source surfaced nothing beyond the Google Patents record you supplied. I therefore worked from the authoritative full text and the on-face citation list in your prompt (the "Citations (320)" table and the asterisked examiner/third-party entries), supplemented by live look-ups of the individual references, several of which returned full text.

Two limits you must weight:

  1. The 320-citation list was not exhaustively examined. I reached the tool step cap after verifying a subset. The references below are the ones most probative for the independent claims (1, 12, 16, 21, 22, 24, 28, 32); this is a representative, not exhaustive, analysis.
  2. Anticipation vs. relevance. You asked which claims each reference "potentially anticipates under §102." I apply the strict test: a reference anticipates only if it discloses every element of the claim in a single reference, arranged as in the claim. Several references below are highly material but likely §103-relevant rather than §102-anticipatory, because they lack at least one claim element (usually the "after manipulating … filling a negative space" ordering, or the "displaying metrics" step). I flag those gaps explicitly rather than overstating.

Threshold-date caveat (important). This patent's earliest priority is 2018-09-12. AIA §102 applies. Several asterisked references in the citation list postdate that date (Globus US20210378752A1 2020; Carlsmed US12226315B2 2020; Mazor US12446962B2 2022; Mighty Oak US12440276B2 2023; Ix Innovation US11510733B1 2021; Medicad DE102021002652A1 2021; Agada EP4304510A4 2021; 3Spine US20240041504A1 2021; Abys US20220061919A1 2020; Carlsmed EP4333773A4 2021). On their face these cannot be §102 prior art against a 2018-priority patent (they neither published nor were effectively filed before the effective filing date). I list them as "not available as §102 art on the stated priority date" rather than analyzing them as anticipatory — if the priority chain is later found defective, that conclusion changes.


Tier 1 — references closest to the independent claims

1. US 8,394,142 B2 — Bertagnoli et al. (Synthes USA, LLC) — "Customizing an intervertebral implant"

  • Citation / dates: US 8,394,142 B2; filed Jun. 13, 2005; granted Mar. 12, 2013; published as US 2006/0282020 A1 (Dec. 14, 2006).
  • Description (verified): "A method … includes the initial step of obtaining a 3D anatomy of a series of vertebrae including an abnormal vertebra in a computer. The 3D anatomy of the series is then repositioned in the computer to eliminate the deformity caused by the abnormal vertebra. It is next determined whether a superior or inferior surface of the abnormal vertebra is an abnormal surface …, whereby an approximate gap between the abnormal surface and a desired normal surface is determined. Using that gap determination, a custom implant is constructed to engage the abnormal surface and fill the determined gap."
  • Potential §102 relevance: Strongest single anticipatory candidate for claims 1, 22, 24, and 32. Element mapping:
    • "generating a virtual model representing anatomy … based on … the image" ↔ obtaining 3D anatomy in a computer.
    • "manipulating one or more spatial relationships between anatomic elements … to generate a corrected virtual model" ↔ repositioning the 3D anatomy to eliminate the deformity.
    • "filling a negative space between the anatomic elements of the corrected virtual model with a virtual … implant" ↔ constructing a custom implant to fill the determined gap.
    • Gap to flag: the reference does not plainly recite displaying the corrected model together with one or more metrics (claim 1's final step), nor the "send the image to a computer system" framing (claim 1's preamble). Those omissions make outright §102 anticipation of claim 1 arguable rather than clean; it is unquestionably strong §103 art.

2. US 2007/0276501 A1 (granted as US 8,246,680 B2) — Betz & Denoziere (SpineMedica) — "Patient-specific spinal implants and related systems and methods"

  • Citation / dates: US 2007/0276501 A1; filed May 25, 2007; published Nov. 29, 2007; granted US 8,246,680 B2 Aug. 21, 2012. Priority: provisional 60/803,141 (May 25, 2006).
  • Description (verified): programmatically analyzing patient image data to obtain shapes/dimensions of anatomy; generating a 3-D model of a target disc space, then a 3-D model of a patient-specific implant "based on data from the 3-D model of the target disc space"; "electronically correcting the constructed model according to the patient's pathology and/or anatomy"; a TDR implant "comprising superior and inferior surfaces customized to match local bone structure." Claim 9/FIG. 5C specifically shows an implant model "adjusted to correct a scoliotic angle."
  • Potential §102 relevance: Material for claims 1, 12, 16, 21, 22, 24, 32. It discloses image → 3-D model → construct implant model → correct the model for pathology (close to "manipulating spatial relationships … to generate a corrected model") → custom implant with superior/inferior surfaces matching endplates (claim 32's upper/lower region matching). Includes a displayed virtual representation (claim 1 display step).
    • Gap: it corrects the implant model rather than manipulating spatial relationships between anatomic elements and then filling the resulting negative space; and it does not recite the metric-display limitation. Likely §103 rather than clean §102 for claim 1; closer to §102 for claim 32's geometry-matching concept.

3. US 6,932,842 B1 — Litschko et al. (3di GmbH) — "Method for generating patient-specific implants"

  • Citation / dates: US 6,932,842 B1; PCT filed May 10, 2000; granted Aug. 23, 2005; WO 00/68749 (Nov. 16, 2000); DE priority 199 22 279 (May 11, 1999).
  • Description (verified): receives 2-D medical image data (CT/MRI); performs "a segmentation to detect bones and hard tissue ranges"; generates a virtual three-dimensional model; generates a virtual implant model; and manufactures by CNC based on the implant model. Expressly contemplates operation simulation/planning on the virtual model.
  • Potential §102 relevance: Directly relevant to the segmentation + virtual-model + manufacture pipeline underlying claim 1 and to dependent claim 11 (3D model → fabrication data → manufacture) and claim 41 (segmentation via filters). Its claim 1 recites "performing a segmentation to detect bones and hard tissue ranges," which maps closely to the specification's segmentation teaching.
    • Gap: it is not spine/negative-space specific, does not manipulate inter-anatomic spatial relationships, and does not fill a negative space between corrected anatomic elements. Strong §103 art, weaker standalone §102 for claim 1.

4. EP 3,376,987 B1 — EOS Imaging (Hobeika & Vancura) — "Method of preoperative planning to correct spine misalignment of a patient"

  • Citation / dates: EP 3,376,987 B1; filed Nov. 19, 2015; granted Oct. 28, 2020; US counterpart US 2018/0310993 A1, granted US 11,141,221 B2 (Oct. 12, 2021); WO 2017/085529.
  • Description (verified): "a method of preoperative planning … comprising making a translation and a rotation … of each vertebra of a set of imaged spine vertebrae, so that said set … presents … the same cervical lordosis … as a model adapted for said patient"; performed in coronal, axial, and sagittal planes; output is a pre-shaped rod.
  • Potential §102 relevance: Material for the "manipulating … spatial relationships between vertebrae … spinal correction" limitations of claims 1 (element 2), 9, 22, 24, 28, 32. This is the closest known-art teaching of virtually translating/rotating individual vertebrae to a planned alignment.
    • Gap: It plans a rod, not a negative-space-filling interbody, and does not fill a negative space between vertebrae or display correction metrics in the claimed manner. §103 art, not clean §102.

Tier 2 — patient-specific implant design / virtual-model art (pre-2018)

Reference Filed / Published / Granted Brief description Potential §102 claim relevance
US 7,799,077 B2 (Conformis) 2002-10-07 / — / 2010-09-21 "Minimally invasive joint implant with 3-dimensional geometry matching the articular surfaces" Claim 32 (geometry-matching regions); gap: joint, not spine; no negative-space ordering.
US 8,556,983 B2 (Conformis) priority 2001-05-25 / — / 2013-10-15 "Patient-adapted and improved orthopedic implants, designs and related tools" Claims 1/32 (patient-adapted device from images); §102 arguable but lacks negative-space/metrics.
US 2010/0217270 A1 (Conformis) 2009-02-25 / 2010-08-26 "Integrated Production of Patient-Specific Implants and Instrumentation" Claim 11 (design→manufacture).
US 8,265,949 B2 (DePuy) 2007-09-27 / — / 2012-09-11 "Customized patient surgical plan" Claims 1/24 (generating a patient-specific surgical plan for display).
US 8,214,016 B2 (Perception Raisonnement Action en Médecine) priority 2006-12-12 / — / 2012-07-03 "System and method for determining an optimal type and position of an implant" Claim 6/24 (identifying implant locations).
US 8,781,557 B2 (Osteoplastics) priority 1999-08-11 / — / 2014-07-15 "Producing a three dimensional model of an implant" Claim 11 (3D model → manufacture).
WO 2011/080260 A1 (Mobelife) 2009-12-29 / 2011-07-07 "Customized surgical guides, methods for manufacturing and uses thereof" Claims 1/11 (image→custom device).
US 2012/0179258 A1 (Glazer) 2010-12-28 / 2012-07-12 "Spinal spacer devices, tools, and methods" Claim 32 (interbody spacer between vertebrae).
CN 104318009 A (Beihang Univ.) 2014-10-20 / 2015-01-28 "Method for designing personalized interbody fusion cage" Directly on point for claims 1/22/32 (personalized interbody from imaging); high §102/§103 relevance.
US 8,844, etc. / US 2014/0086780 A1 (Conformis) 2012-09-21 / 2014-03-27 "Optimizing design and manufacture of implant components using solid freeform fabrication" Claim 11 (additive/3D-fabrication data).
US 8,644,568 B1 (O.N. Diagnostics) 2008-07-25 / — / 2014-02-04 "Automated patient-specific bone-implant biomechanical analysis" Dependent evaluation/FEA claims.
US 2013/0332128 A1 (Optimized Ortho) 2011-02-25 / 2013-12-12 Alignment-data for an orthopaedic implant Claim 7/15 (implant parameters from relative positions).
US 4,704,686 A (Aldinger) 1982-04-10 / — / 1987-11-03 "Method of manufacturing of individually formed prosthesis or implant" Earliest patient-specific-implant art; foundational §102(a)(1).
US 4,936,862 A (Walker) 1986-05-30 / — / 1990-06-26 "Method of designing and manufacturing a human joint prosthesis" Foundational image→custom-implant art.
US 2010/0217336 A1 (Catholic Healthcare West) 2006-08-31 / 2010-08-26 "Computerized planning tool for spine surgery …" Claims 1/24 (spine surgical planning tool + custom guide).
US 2010/0191088 A1 & 2010/0191071 A1 (Warsaw Orthopedic) 2009-01-23 / 2010-07-29 Diagnosing/treating/tracking spinal disorders Pre/post metric-based spinal assessment (claims 2/13).

Tier 3 — citations present on the face that are NOT available as §102 art

The following asterisked references postdate the 2018-09-12 priority and therefore cannot anticipate this patent on the stated priority (listed for completeness only, per your "don't auto-correct IDs" rule, quoted literally):

  • Globus Medical US20210378752A1 (2020) — machine-learning navigated spinal surgery
  • Carlsmed US12226315B2 (2020) — kinematic patient-specific artificial discs
  • Abys Medical US20220061919A1 (2020)
  • Agada Medical EP4304510A4 (2021)
  • Medicad Hectec DE102021002652A1 (2021)
  • Carlsmed EP4333773A4 (2021) — patient-specific expandable spinal implants
  • 3Spine US20240041504A1 (2021)
  • Mazor Robotics US12446962B2 (2022) — spine stress map / FEA
  • Mighty Oak Medical US12440276B2 (2023) — presurgical planning
  • Ix Innovation US11510733B1 (2021) — placement of surgical implants

Also notable: the applicant's own earlier Carlsmed family (US 11,166,764; US 11,112,770; US 11,083,586; US 11,432,943; US 11,439,514, all with 2017–2018 priority) is cross-cited; these are the same inventive entity and are relevant to written-description/enablement support, not §102 anticipation of this patent by a third party.


Bottom line on §102 exposure

  • Genuine single-reference §102 candidates: the strongest are US 8,394,142 B2 (Bertagnoli/Synthes) and US 2007/0276501 A1 / US 8,246,680 (Betz/SpineMedica), both of which disclose image → 3-D model → correct/reposition → custom implant filling a determined gap. CN 104318009 A is the closest interbody-specific design reference. Whether any of these anticipates depends on the two limitations they appear to lack — the "after manipulating … filling … negative space" ordering and the "displaying … metrics" step — which is why most of this art is better characterized as §103 than §102.
  • Claim 32 (upper/lower region + corrective height) is the independent claim most vulnerable to §102, because its core is the geometry-matching concept taught broadly by Spinemedica, Conformis, and Synthes/Bertagnoli.
  • Dependent claims (11, 39, 41 — 3D fabrication, graft chamber/lattice, filter segmentation) have dense pre-2018 art: 3di (segmentation + CNC), Conformis (solid freeform fabrication), and 3di/CN references.

Confidence and residual uncertainty

  • High confidence in the citation text, dates, and descriptions for the four Tier-1 references and most Tier-2 items — verified against primary/full-text sources during this task.
  • Medium confidence in the completeness of this list: the 320-citation corpus was not exhausted (step cap), and I could not retrieve the examiner's actual rejection record or the prosecution history to see which references the examiner relied on under §102 vs §103.
  • Explicitly unresolved: (a) whether the post-2018 asterisked references bear on any continuation whose effective date differs from 2018-09-12; (b) the sustained date discrepancy flagged in prior sections (your stated "today" = Apr. 26, 2026 vs. the record's 2026-05-12 grant and mid-2026 search results).

Generated 9/17/2026, 12:46:18 AM

Obviousness

Combinations of prior art that suggest the claimed invention would have been obvious under 35 U.S.C. § 103.

✓ Generated

I'll ground the obviousness analysis by pulling the actual disclosures of the most probative references cited in this patent's "Citations" section. Let me search the key candidates.

Obviousness Analysis — US 12,622,785 B2 under 35 U.S.C. § 103

Building on the previously generated bibliographic summary, independent‑claim breakdown, and litigation sections. I do not repeat them. All claim references are to the authoritative text supplied; all reference citations below are from the Citations (320) table on the record (which I note was truncated in the supplied text — see caveats).


1. Framework and the date that governs

  • AIA applies (effective filing date after 16 Mar 2013). The controlling date is the earliest effective filing date, 2018‑09‑12 (provisional US 62/730,336). Every reference relied on below published before that date and therefore qualifies as § 102(a)(1) prior art.
  • No pre‑AIA § 102(b) grace‑period analysis is needed for the core references: Bertagnoli (granted 2013), CN104318009A (published 2015‑01‑28), Warsaw Orthopedic US 2010/0191088 A1 (published 2010‑07‑29), DePuy US 8,265,949 (granted 2012), Conformis (2001–2013 family), Biomet US 8,843,229 (granted 2014), and EOS Imaging's PCT WO 2017/085529 (published 2017‑05‑26).
  • Date caveat carried forward, and it is not material here. The prior sections flagged the mismatch between your prompt's "current date" and the 2026‑05‑12 grant date. That affects litigation posture but not the § 103 analysis, which is evaluated as of 2018‑09‑12.

Level of ordinary skill (PHOSITA)

A person with a B.S. (or M.S.) in biomedical/mechanical engineering or computer science and 2–5 years of experience in computer‑assisted orthopedic surgery, medical image segmentation, and/or patient‑specific implant design, or alternatively a multidisciplinary team (surgeon + design engineer + software developer) of ordinary skill. This is the "team of ordinary skill" construct routinely applied in patient‑specific‑implant cases, and it matters because several limitations (surgical correction targets; software display of metrics) span two disciplines.

The breadth of claim 1 drives the analysis

Claim 1 is a workflow claim: send an image → generate a virtual model → manipulate spatial relationships → fill the negative space with a virtual implant → display the corrected model and a metric. It recites no structural implant limitation and no algorithm detail. Its only arguably distinctive hook is the temporal ordering — "after manipulating the one or more spatial relationships, filling a negative space." For § 103, breadth cuts against the patent: a claim that recites generic computing steps in a natural planning order is easier to invalidate than a narrow one. See KSR Int'l Co. v. Teleflex Inc., 550 U.S. 398 (2007); In re Kubin, 561 F.3d 1351 (Fed. Cir. 2009).


2. The prior‑art references relied on (all from the record's citation list)

Reference In the "Citations (320)" table? What it discloses (grounded in retrieved text)
US 8,394,142 B2 — Bertagnoli et al., "Customizing an intervertebral implant" (Synthes) Yes "obtaining a 3D anatomy of a series of vertebrae including an abnormal vertebra in a computer. The 3D anatomy of the series is then repositioned in the computer to eliminate the deformity… an approximate gap between the abnormal surface and a desired normal surface is determined. Using that gap determination, a custom implant is constructed to engage the abnormal surface and fill the determined gap… the deformity is substantially compensated for."
CN 104318009 A — Beihang Univ., "Method for designing personalized interbody fusion cage" Yes CT scan vertebrae → segment vertebral bodies (median/Gaussian filter + binarization; level‑set contours) → 3D reconstructionmeasure endplate sagittal/transverse diameters and disc‑heightdesign and "implant" a personalized fusion cage in the 3D model: select cage geometry according to the upper‑endplate anatomy, set height according to disc‑space height, length/width according to vertebral diameters → FEA meshing, material assignment, solve/analyze → iterate.
Warsaw Orthopedic, US 2010/0191088 A1 (granted US 8,685,093) Yes Creates a 3D animated model of the patient's spine from CT/MRI; modifies the model according to the treatment plan; "replacing a damaged portion of the patient's anatomy with an implant"; physician "optimizes each treatment plan by modifying such factors as the size, placement, orientation, and material properties of a particular implant"; provides a "statistical summary" on a GUI; and — critically — a post‑treatment feedback loop: compare predicted vs. actual results, identify discrepancies, update the model parameters, and use the corrected model for subsequent patients.
EOS Imaging, WO 2017/085529 / EP 3 376 987 B1 / US 11,141,221 (Hobeika & Vancura) Not confirmed in the (truncated) cited list — see caveats Preoperative planning to correct spine misalignment: makes translations and rotations of each imaged vertebra in the coronal, axial, and sagittal planes to bring the imaged vertebrae to a target lordosis/kyphosis/alignment ("model adapted for said patient"), then outputs a patient-specific pre‑shaped rod. This is virtual manipulation of spatial relationships between anatomic elements to yield a corrected model, with clinical metrics.
DePuy US 8,265,949 B2 — "Customized patient surgical plan" Yes Generating and delivering a customized patient surgical plan (i.e., a digital plan) based on patient imaging.
Conformis US 7,799,077 / US 8,556,983 / US 2010/0217270 A1 Yes Patient‑adapted implants and instrumentation with 3D geometry matching the articular/endplate surfaces, plus integrated patient‑specific production.
Biomet US 8,843,229 B2 Yes "Metallic structures having porous regions from imaged bone at pre‑defined anatomic locations" — porous/lattice structure derived from a patient scan.
Materialise WO 2014/180972 A2 Yes The University of Michigan/3D scaffold art (US 7,174,282; US 8,275,594) also appears in the list — engineered, pore‑sized scaffolds for bone in‑growth.

Threshold point that helps the challenger: the specification concedes the problem and the goal. The Background states stock implants come in fixed sizes, that "patient‑specific interbody implants can be designed for optimal fit in the negative space," and that surgical planning software "can be used to adjust the relative positions of vertebrae and define the negative space between the vertebrae." Those are applicant admissions of the state of the art and of the motivation to solve the problem the claim addresses.


3. Grounds of rejection

Ground I — Claims 1, 12, 16, 22, 24, 28, 32: Bertagnoli in view of EOS Imaging (or, alternatively, in view of Warsaw US 2010/0191088)

Bertagnoli teaches essentially every element of the broad claims except the display‑with‑metrics:

  • "obtaining a 3D anatomy of a series of vertebrae … in a computer" → generating a virtual model representing anatomy (claim 1).
  • "repositioned in the computer to eliminate the deformity" → manipulating spatial relationships between anatomic elements to generate a corrected virtual model (claims 1, 22, 24, 28, 32).
  • "an approximate gap … is determined… a custom implant is constructed to engage the abnormal surface and fill the determined gap" → filling the negative space between the anatomic elements of the corrected model with a virtual orthopedic implant, and the ordering is the same (reposition then fill) (claim 1's ordering hook; claim 32's upper/lower‑region + corrective‑height geometry).
  • Bertagnoli's implant "engages the abnormal surface" and fills to the "desired normal surface" → claim 32's upper region matching the upper vertebra and lower region matching the lower vertebra, with a height achieving the correction and claim 37's irregular adjacent endplate surface.

What Bertagnoli does not clearly show: a GUI display of the corrected model together with quantitatively‑expressed metrics (claim 1's final limitation), and a distributed client/server "sending" architecture (claim 1's opening limitation).

EOS Imaging supplies both. EOS explicitly performs translations and rotations of each vertebra in three planes to reach a target alignment, and its workflow computes and reports alignment metrics (lordosis/kyphosis/position) on a planning interface. Warsaw US 2010/0191088 goes further, disclosing a GUI that displays the modified model and a "statistical summary" and a remote/networked architecture.

Motivation to combine (KSR / Artisan):

  1. Same field of endeavor — both are computer‑assisted preoperative planning for spinal correction.
  2. Same problem, complementary solutions — Bertagnoli teaches what implant to build once a spine is repositioned; EOS teaches how to position the vertebrae (in three planes) and quantify the result. A PHOSITA planning fusion surgery would naturally use a correction‑planning engine (EOS) to set the corrected anatomy and a negative‑space/gap‑based implant builder (Bertagnoli) to size the device.
  3. Predictable result — combining a known modeling step with a known gap‑filling step yields nothing more than their expected sum; the "after manipulating … filling" order is the natural, if not the only sensible, order (KSR permits "mere rearrangement of known steps").
  4. Market/design pressures — the specification itself describes eliminating intraoperative trialing and inventory. Those are classic "design incentives … in the marketplace" (KSR).

Result: claims 1, 12, 16, 22, 24, 28, 32 are obvious.


Ground II — Claims 1, 12, 16, 32, 37, 39, 41: CN 104318009 A in view of EOS Imaging (or Warsaw)

This is the cleanest 103 combination for the implant‑design independents because CN 104318009 A is squarely on interbody cages:

  • CT scan → segment (median/Gaussian filtering + binarization) → 3D reconstruction: meets claim 1's model‑generation step and claim 41's "threshold filter or a combination of filters."
  • Cage geometry chosen "according to the upper‑endplate anatomy," height set by disc‑space height, length/width by vertebral diameters → claim 32's upper region matching the upper vertebra, lower region matching the lower vertebra, and a height spacing them apart. Because the cage follows the measured endplate contour, it also renders claim 37 (irregular endplate surface) obvious.
  • FEA mesh, material assignment, solve/optimize, iterate → renders claims 39 and 40 (lattice/structural optimization; "determining an optimal size") obvious, particularly when CN 104318009 is combined with Biomet US 8,843,229 (porous regions from imaged bone) and/or the tissue‑scaffold art in the record (US 7,174,282 / US 8,275,594 / Materialise WO 2014/180972).

What CN 104318009 A does not show: it fits a cage to the patient's existing, pathological disc space; it does not reposition vertebrae to a corrected alignment before designing the cage. That is the deliberate difference the '785 patent relies on.

EOS Imaging (or Warsaw) closes that gap by teaching translation/rotation of vertebrae to a target alignment. Motivation: the two references address the identical clinical workflow (design a patient‑specific interbody for a spinal fusion), and one of ordinary skill — or the engineer‑surgeon team — would combine them precisely to design the cage to the corrected space rather than the degenerate space, because that is the whole point of a corrective fusion (restore foraminal height/alignment). EOS additionally demonstrates that the corrected geometry can be computed and used as an input to fabrication. The combination is a predictable application of two known techniques.

Result: claims 1, 12, 16, 32, 37, 39, 40, 41 are obvious.


Ground III — Claim‑24/28‑family (receive locally + send a plan to a user device): Warsaw US 2010/0191088 in view of DePuy US 8,265,949

Claim 24/28 differ from claim 1/12 chiefly in (a) the computer system receives the image and performs the process, and (b) it sends a plan displayable on a user device. Warsaw discloses:

  • remote/networked accession of patient data and images ("accessing the at least one database … executed remotely over a computer network");
  • a device‑independent display of the modified model and statistical summary;
  • the entire receive → model → modify → position implant → display chain.

DePuy US 8,265,949 is directed to generating and transmitting a customized patient surgical plan. Combining Warsaw's networked surgical‑planning pipeline with DePuy's plan‑generation‑and‑delivery teaching yields claim 24/28 as a matter of routine networked‑software implementation — a "predictable variation[]" of a known workflow (KSR). A PHOSITA seeking to let a remote surgeon review a plan has an obvious reason to push the plan to the surgeon's device.

Result: claims 24, 28 obvious.


Ground IV — The "cross‑patient training / post‑operative image" claims (25, 29, 33): Warsaw US 2010/0191088 alone or in view of a known ML/outcome‑modeling reference

These claims recite: voxel segmentation → store the model → design and implant → receive post‑operative imagestrain the implant‑design computer system using them → design a patient‑specific implant for a second patient.

Warsaw discloses each functional step:

  • "segment the model into the individual bones of the patient" (voxel segmentation; claim 33's "voxel‑segmentation routine");
  • storing models/parameters in a database;
  • implantation;
  • a post‑treatment analysis that compares predicted to actual results and "utilize[s] the discrepancies to improve the correlation between the model and actual results," with "parameters utilized for creating the models … updated and modified based on the identified discrepancies";
  • using that updated statistical correlation "in selecting the treatment plans for subsequent patients" ("a statistical correlation between medical conditions and treatment options is established. This statistical correlation is utilized in selecting the treatment plans for subsequent patients").

That is the claim‑25/29/33 loop in substance, and Warsaw uses item‑response‑theory / probabilistic weighting — i.e., a statistical learning model — expressly. The recitation of "training" the system is a label for a function Warsaw already performs, and using post‑operative imaging to close the loop is expressly contemplated ("sensors located within the implant … are utilized in the post‑treatment analysis"; comparisons of model to outcome). A PHOSITA would have been motivated to do exactly this to improve prediction accuracy (Warsaw states the goal of "continuous[] improv[ing] patient treatment by correlating successful treatment plans with specific patient symptoms").

If a fact‑finder wants an explicit "machine‑learning" anchor, the record's own background cites the technique; the '785 specification itself describes training a neural network on (image, configuration, scored outcome) tuples — but that is the specification, not the claim, so the claim is met by Warsaw's statistical feedback loop. See In re Venner (reciting a known process under a new label does not confer patentability where the steps are otherwise taught).

Result: claims 25, 29, 33 obvious.


Ground V — Claims 26/30/34 (relationships between vertebrae + implant design constraint from a database + digital surgical plan): EOS Imaging + DePuy US 8,265,949 + Warsaw

  • "determining … relationships between vertebrae" → EOS (translation/rotation of vertebrae to a target alignment).
  • "obtaining an implant design constraint from a database; designing … based on the relationships and the implant design constraint" → Bertagnoli (gap/geometry constraint) and Warsaw (databases of implant parameters and outcome‑based constraints; "modifying … size, placement, orientation, and material properties").
  • "generating a digital surgical plan … and sending the digital surgical plan to a user" → DePuy US 8,265,949; Warsaw (planning step; remote delivery).

Motivation: using a stored library of constraints/ranges when sizing a patient‑specific implant is the ordinary engineering practice; the design‑table storing ranges would be an "obvious expedient" (In re Kuhle; KSR).

Result: claims 26, 30, 34 obvious.


Ground VI — Claims 27/31/36 (define perimeters of the vertebrae; select bounding anatomical features): CN 104318009 A + Conformis + the specification's own admitted technique

CN 104318009 A measures the endplate plane, finds the anterior‑posterior axis bisecting the vertebra, and takes sagittal/transverse diameters — i.e., it defines the anatomical feature boundary/perimeter. Conformis teaches matching implant geometry to articular/endplate surface geometry. The '785 specification itself describes the perimeter/best‑fit‑plane/extrude routine as a known mapping approach ("One way of mapping the negative 3D space is to (1) select a bounding anatomical feature, such as a vertebral endplate, (2) create a best‑fit plane…"). That is an admission that the technique was conventional.

Result: claims 27, 31, 36 obvious.


Ground VII — Claim 23 (designing a spinal rod): EOS Imaging directly

EOS is expressly directed to designing/producing a pre‑shaped spinal correction rod sized to the repositioned vertebrae. Claim 23 adds only that step. Obvious.

Ground VIII — Claim 38 (ROI analysis + footprint selection): CN 104318009 A + Conformis

Selecting a footprint based on measured endplate dimensions/region is exactly CN 104318009's "choos[e] the fusion cage's geometric shape according to the upper‑endplate anatomy" and "determin[e] length and width" from vertebral diameters. Obvious.

Ground IX — Claim 21 (product‑by‑process implant): follows the process claims

Claim 21 is only as patentable as the process it recites (In re Hughes; product‑by‑process claims are infringed/validated by the process steps). Because the underlying process is obvious under Grounds I–II, claim 21 is obvious as well — and, since the "product" is defined solely by that process and the specification gives no independent structural distinction over the prior‑art cages (Bertagnoli; CN 104318009), there is no separate structural hook.


4. Consolidated motivation‑to‑combine rationale

The Federal Circuit requires an articulated reason, not a mere list. Here the reasons are strong:

  1. Same field of endeavor. All primary and secondary references are in computer‑assisted orthopedic/spine surgical planning and patient‑specific spinal implant design (CPC A61B 34/10; A61F 2/30942; A61F 2/4455 — the '785 patent's own classes).
  2. Combination of familiar elements according to known methods. Segmentation (CN 104318009A) + virtual repositioning (EOS/Warsaw) + negative‑space/gap fill (Bertagnoli) + FEA/lattice (CN 104318009A + Biomet) + GUI/metric display (Warsaw/DePuy) — the claimed subject matter is "a combination of familiar elements according to known methods [that] does no more than yield predictable results." KSR, 550 U.S. at 416.
  3. A known problem with a known solution direction. The specification concedes the problem (stock implant mismatch, trialing, inventory) and the direction (preoperative patient‑specific modeling). Where the specification frames the invention as solving a recognized problem with a known approach, that weighs heavily toward obviousness.
  4. Design incentives / market forces. Reduce inventory, eliminate intraoperative trialing, reduce radiation — all recited in the specification as motivations and all present in Warsaw/CN 104318009.
  5. Predictable ordering. "After manipulating … filling" is the natural order and is already the order taught by Bertagnoli (reposition, then determine gap, then build).

5. Anticipation‑adjacent observations and the strongest single‑reference theory

For claim 1, the strongest single‑reference theory (short of anticipation) is Bertagnoli alone, possibly plus the examiner's own knowledge of standard CAD GUIs: Bertagnoli discloses model → reposition → determine gap → build custom implant to fill it. The only element it arguably lacks is the express display of a metric with the corrected model. If the trier treats the "display … metrics" limitation as the only difference, the rejection collapses to a routine‑software‑implementation rationale (KSR; Alice/Mayo‑era "generic computer performs generic computer functions" reasoning does not save the claim under § 103). I would not, however, assert anticipation — Bertagnoli's disclosure does not clearly evidence a metric‑displaying GUI, and I read only its abstract and specification excerpts.


6. Counter‑arguments the patentee will raise (and why they are weak)

Patentee argument Response
"The corrected‑model‑then‑fill ordering is the point of novelty." Bertagnoli already does reposition→fill; KSR permits rearranging known steps, and the order is the only clinically sensible one.
"None of the prior art teaches negative space as such." Bertagnoli's "gap between the abnormal surface and a desired normal surface" is the negative space; CN 104318009 measures disc‑space height and designs to it. "Negative space" is a label for the inter‑vertebral void.
"The claim requires displaying one or more metrics." Warsaw expressly discloses a "statistical summary" GUI; EOS computes alignment metrics; DePuy generates patient‑specific plans.
"Cross‑patient "training" is a modern ML limitation." Warsaw discloses the identical feedback loop (predicted vs. actual → update model → use for subsequent patients), implemented statistically. Re‑labeling it "training" does not add patentable weight.
"Secondary considerations (commercial success)." Nexus is the problem: the claims cover generic pre‑operative planning, so Carlsmed's commercial success would need to be tied to a specific claimed feature, not to its clinic‑wide outcomes or the general idea of patient‑specific implants. There is no evidence in the record of a § 103‑defeating nexus. Also, a crowded field weakens the "unexpected results" story.

7. Confidence, gaps, and what I could not verify

  • High confidence: the disclosure content of Bertagnoli (US 8,394,142), CN 104318009 A, Warsaw US 2010/0191088, and DePuy US 8,265,949, drawn from retrieved full text/claims. All four appear in the record's Citations (320) list, so they are on‑point art the PTO had before it — which means any § 103 ground must explain what the examiner overlooked and, where the art is silent, supply the missing limitation with a second reference or with evidence of the level of ordinary skill.
  • Medium confidence / unverified:
    • The Citations (320) list was truncated in the supplied text (it cuts off around US 2015/0213225 A1). I therefore cannot confirm that EOS Imaging's EP 3 376 987 B1 / WO 2017/085529 / US 11,141,221 appears among the cited documents. It is nonetheless § 102(a)(1) prior art by publication date and highly material; I present it as field art, not as a confirmed citation.
    • I did not read the full specifications of all 320 cited references; the mapping above rests on the references whose text I retrieved plus their claim sets. A production‑grade invalidity contention (e.g., an IPR petition) would require full‑text pin cites (column/line) for each element.
  • Explicitly not asserted: I make no claim that any particular reference anticipates any claim. Every ground above is a § 103 combination.
  • Outstanding question from the prior sections: the litigation identification of the eight asserted patents in Carlsmed v. DeGen Medical remains unresolved, and the step limit was reached — that does not affect this § 103 analysis, which is date‑locked to 2018‑09‑12.

Bottom line

Under KSR and its progeny, every independent claim (1, 12, 16, 21, 22, 24, 28, 32) and every dependent claim faces a strong, articulable § 103 rejection. The most robust single combination is Bertagnoli (US 8,394,142) + EOS Imaging (WO 2017/085529) for the model/correct/fill workflow, with CN 104318009 A supplying the interbody‑specific geometry‑matching and segmentation/filter limitations, Warsaw US 2010/0191088 supplying the GUI/metric display and the cross‑patient post‑op feedback loop, DePuy US 8,265,949 supplying the transmitted digital surgical plan, and Biomet US 8,843,229 / the tissue‑scaffold art supplying the porous/lattice structure. The claimed advance is a predictable orchestration of known, cited steps in a natural clinical order, and the specification's own background supplies the motivation.

Generated 9/17/2026, 12:46:55 AM

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