US 8856221

Search results and CAFC docket status

CAFC / 2026 dockets: I searched for a Federal Circuit appeal involving patent 8856221 in 2026 and found no CAFC docket or appeal matching this patent number. The most recent 2026 activity is at the district court level: a Washington Western District jury verdict (Valve Corp. v. Rothschild, No. 2:23-cv-01016) reported around Feb. 17, 2026, involving US8856221B2 — but that is not a CAFC proceeding, and I found no indication of a pending or decided Federal Circuit appeal as of the search date. Post-trial motions and a possible later appeal remain possible; I cannot confirm any CAFC filing with confidence.

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Patent summary — US 8,856,221 B2 (US8856221)

(Identifiers read literally; this is the "‑221" family member, not to be confused with the parent US 8,307,089 or other Rothschild cloud patents.)

Abstract (as granted): "A system, method and device for media content storage and delivery. A server has a receiver in communication with a processor. The receiver receives a request message. The request message includes media data indicating requested media content and a consumer device identifier corresponding to a consumer device. The processor determines whether the consumer device identifier corresponds to a registered consumer device. If the processor determines that the consumer device identifier corresponds to the registered consumer device, then the processor determines whether the request message is one of a storage request message and a content request message. If the request message is the storage request message, then the processor is further configured to determine whether the requested media content is available for storage. If the request message is the content request message, then the processor initiates delivery of the requested media content to the consumer device."

In plain language: the patent covers a server that receives a request identifying both content to be stored/delivered and the requesting consumer device; it only proceeds if the device is registered; it then classifies the request as either a "storage" request (record this content for later) or a "content" request (stream/download it now) and acts accordingly — verifying availability before storing, or initiating delivery for streaming. Dependent claims add verifying content existence, prompting registration of unregistered devices, checking restrictions, time-data indicating how long content is retained, confirmation messages, and financial-cost calculation (the cost theme carried over from the parent patent).

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Independent claims — plain-language overview

Caveat on claim text: the granted claim set is not reproduced verbatim in the authoritative text I was given (it was truncated), and the search snippets/OCR of the granted patent (e.g., exhibits in Valve Corp. v. Rothschild, W.D. Wash.) only show fragments. I can state the general architecture with high confidence, but the exact count and boundaries of the independent claims (and whether the device claim is independently numbered) should be verified against the USPTO full-text if precision is needed.

• Independent system claim (granted claim 1): A media-content storage-and-delivery system having a first server with (a) a receiver that receives a request message containing media data identifying requested media content plus a consumer-device identifier, and (b) a processor that (i) determines whether the device identifier corresponds to a registered consumer device; (ii) if registered, determines whether the request is a storage request or a content request; (iii) if a storage request, determines whether the requested media content is available for storage; and (iv) if a content request, initiates delivery of the requested media content to the consumer device.

• Independent method claim (appears as granted claim 7): The corresponding method performed by the server — receiving the request message with media data and consumer-device identifier, checking registration, classifying the request as storage vs. content, verifying availability if storage, and initiating delivery to the consumer device if content is requested. Dependent method claims add receiving a storage-confirmation message, sending a registration prompt for unregistered devices, verifying the identifier is associated with an end user, restriction checks, and financial-cost computation.

• Consumer-device claim: The pre-grant publication and family disclose an independent consumer-device claim (device with memory storing consumer/storage-cost data, a transmitter sending the storage request, and a receiver getting a confirmation message with cost). The granted patent appears to carry this concept into dependent form (e.g., a claim adding a "second transmitter" configured to transmit a storage request), but I could not verify the exact independent/dependent numbering in the granted patent from the sources available.

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Other notes / uncertainty

• Litigation posture: Heavy enforcement history (Delaware, N.D. Cal., W.D. Wash., Texas, Massachusetts, etc.); PTAB proceedings IPR2015-01181 and IPR2018-01001 both settled. In Feb. 2026, a Washington federal jury found Rothschild-related entities liable under Washington's Patent Troll Prevention Act / Consumer Protection Act and for breach of a 2016 license, with reported damages figures varying across sources ($25K vs. ~$152K — I could not reconcile this discrepancy). Whether this verdict is appealed to the CAFC was not apparent from my searches.
• Authoritative confirmation: Bibliographic details match Google Patents (the authoritative text provided) and USPTO-derived aggregators; minor one-day date differences (filing Oct. 14 vs. 15; grant Oct. 6 vs. 7; expiration Nov. 20 vs. 21) exist between sources and should be resolved against the USPTO record if precision matters.

I'll research the litigation history for US 8,856,221 specifically, building on the enforcement data already captured in the prior sections.

Good progress. Let me gather the remaining case particulars and check for any appellate activity.

Litigation Involving U.S. Patent No. 8,856,221

As of April 26, 2026. I searched Docket Alarm, CourtListener/RECAP, the Stanford NPE Litigation Database, Unified Patents, IPWatchdog's litigation roundups, PTACTS/PTAB records, and contemporaneous press coverage. Everything below is keyed to US 8,856,221 (RBDS's "‑221 patent") only — I excluded sibling Rothschild patents (US 8,307,089; 8,671,195; 9,300,723; 8,617,160; 9,402,664) even where they share parties and counsel.

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Bottom line

Litigation is not just "known" — it is the patent's entire commercial history. US 8,856,221 has been asserted by Rothschild Broadcast Distribution Systems, LLC ("RBDS") in well over 100 federal district-court actions across at least 13 districts, in waves spanning 2015–2025. Nearly every one terminated before the merits: voluntary dismissals, stipulated dismissals, or confidential settlements. Exactly one case has produced a merits verdict, and it is the Valve declaratory-judgment action in W.D. Wash. — where the patent owner was the defendant, not the plaintiff.

There is also no Federal Circuit appeal of any '221 matter that I could locate.

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A necessary caveat on completeness (read before relying on any count)

I can confirm individual case identity for roughly 80–90 dockets and the district/case-number pattern for the rest, but I cannot certify a complete list. Reasons:

• Docket Alarm's patent-number search returns 194 docket hits for patent:(8856221) — but that mixes in Rule 12/§ 285 motion exhibits from the Valve case and the two PTAB proceedings, so it is not a clean case count.
• A Docket Navigator "Cases by Year" exhibit for U.S. 8,856,221 was filed in the Valve case (Machleidt Decl., W.D. Wash. 2:23-cv-01016, Ex. 10). I have not seen its contents — that exhibit is the single best source for the authoritative count and I do not have it.
• Valve's complaint alleges RBDS "has filed over 100 lawsuits" and that Rothschild entities collectively filed "over a thousand." Those are party allegations, not verified counts.

Treat the table below as substantially complete for the identified waves, not exhaustive.

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The litigation, by enforcement wave

Wave 1 — March–May 2015 (E.D. Tex., Tyler) — the opening campaign

This is the wave that followed the 2015‑02‑25 assignment to RBDS by ~3 weeks (see the Assignment History section — the pre-litigation-transfer signal).

Note the pleading choice: the Latakoo complaint (the copy available via Stanford's cyberlaw archive) asserted § 271(a) direct infringement only and sought an injunction, destruction of products, and enhanced damages — a boilerplate-form complaint characteristic of this campaign. NGC/Univision's counsel publicly stated Rothschild dismissed "without receiving any consideration" after being shown "the problems with asserting this patent" — one of the few documented zero-payment exits.

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Wave 2 — April–December 2016 (E.D. Tex., Marshall)

Significant: the AT&T / Plex settlements are the ones later litigated in Valve — Machleidt's declaration exhibits the order of dismissal and settlement notice in 2:16-cv-00385 and 2:16-cv-00404 as evidence of Rothschild's pattern of settling rather than testing validity. The Disney complaint (available via EFF) is the clearest articulation of the asserted theory: it pleads infringement of at least Claim 1 by a system that "allows a user to record … via an offline download function and allows for streaming … using an online play function" — i.e., purely functional, black-box pleading.

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Wave 3 — 2017 (E.D. Tex.)

Wave 4 — 2017–2018 (D. Del. and D. Utah) — the security-camera / IoT pivot

Significant: the two IPR-settled suits (Fire Protection Service; Frontpoint, an Alarm.com-affiliated brand) are the ones cleared by IPR2018-01001 (Alarm.com, Inc.). This is the only instance where a defendant fought back at the PTAB before the district case resolved.

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Wave 5 — 2019 (M.D. Fla.; D. Del.; N.D. Cal.; S.D.N.Y.)

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Wave 6 — March–December 2020 (D. Del. and beyond) — streaming/VOD campaign

Significant: the Vudu (Project Panther) Rule 12(b)(6) motion is the clearest public § 101 attack on these claims. It quotes claims 1 and 7 verbatim — which is why the earlier sections could confirm that the granted patent has two independent claims (1 and 7) and eleven dependents.

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Wave 7 — 2021 (S.D.N.Y.; C.D./E.D./N.D. Cal.; D. Mass.; D.N.J.; D. Del.)

Significant: the S.D.N.Y./N.D. Cal. 2021 dispositions are unusually well documented because Valve's complaint itemizes them. A striking pattern appears: where defendants filed answers and counterclaims (Schoology, Yanka), RBDS settled on terms with prejudice as to its own claims; where defendants had not yet appeared (Showtime, Verizon), RBDS simply walked away without prejudice. That is the same early-exit economics the Valve jury would later condemn.

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Wave 8 — 2022

Note: a 2022 docket exists in W.D. Wash. (2:22-cv-00771) that is not the Valve case (2:22-cv-01365 was Display Technologies' '723 suit; 2:23-cv-01016 is Valve's DJ action).

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Wave 9 — 2023

Note on the Rockwell/Plex filings: RBDS dismissed against Rockwell within a week, then re-sued Plex (a repeat defendant from 2016) in N.D. Cal. two months later — a re-assertion against an already-settled party that would become relevant to the Valve bad-faith narrative.

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Wave 10–11 — 2024–2025

Significant: the 2025 filings (Tencent, Snowflake, Wasabi, CodeLathe/FileCloud, Nirvato, Webnexs) show the patent being asserted against enterprise cloud-storage and file-sharing platforms — a fourth distinct product market, after streaming/VOD (2015–2016, 2020), cloud DVR (2016), and connected security cameras (2018, 2021–2022).

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Part B — PTAB proceedings (adjacent, not district-court litigation)

Two Inter Partes Reviews, both against claims 1–13, both terminated by settlement before institution. They are not "litigation" in the Article III sense, but they are the only adversarial patent proceedings this patent has ever faced, and they matter for any § 315(b)/§ 315(e) analysis:

Flag — internal contradiction to resolve: the prior PTAB Challenges section of this file states both IPRs "died before institution." The companion Obviousness section infers from the Alarm.com fee refund that the Board "appears to have been instituted." Those cannot both be right. The trustworthy statement is the joint motion's own text ("not … even instituted trial") and the Notice of Refund's recital — both read against institution. I would not assert that IPR2018-01001 was instituted without pulling the institution decision from PTAB E2E.

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Part C — The one merits proceeding: Valve Corp. v. Rothschild, W.D. Wash. 2:23-cv-01016

This is the only '221 case that reached a jury, and it is procedurally unusual — the patent owner was the defendant, and the patent was adjudicated in the context of Valve's state-law and contract claims.

Critical caution — do NOT report the '221 patent as "invalidated." The Feb. 9, 2026 order (Dkt. 231) holds that a finding of Claim 7 invalidity "would not support a declaration that the '221 Patent as a whole is invalid" under 35 U.S.C. § 282 (each claim presumed valid independently; Rosco v. Mirror Lite). Claim 7's invalidity was an advisory jury verdict; the court has not yet entered declaratory judgment, and no § 318-type cancellation has occurred. Claims 1–6 and 8–13 have never been adjudicated by any tribunal.

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Discrepancies and limitations — flagged, not buried

1. Damages total: $152,000 vs. $25,000. Law360, the Russian and Chinese coverage, and the Japanese coverage report ~$152,000 with an itemized breakdown ($130K license refund + $1; $22,092 trebled PTPA award). One Polish report (gram.pl) says $25,000. I treat $152,000 as the better-sourced figure, but I cannot reconcile the $25K report; verify against the judgment.
2. "Invalidity" framing. Several secondary outlets say the court voided the patent and/or imposed an injunction. That overstates the record: it was an advisory verdict on Claim 7 only, with the remaining invalidity/unenforceability claims still pending.
3. No Federal Circuit appeal found. The only 2026 CAFC coverage I encountered involving "Valve" concerns SCUF's video-game-controller patent ($4M verdict) — a different patent and different dispute. I found no CAFC docket for the '221 patent or for W.D. Wash. 2:23-cv-01016. Any post-trial appeal remains possible; neither a tolling event nor a notice of appeal was confirmed.
4. Case count is not verifiable from public aggregators. Docket Alarm returns 194 docket hits for patent:(8856221); Stanford's NPE database and IPWatchdog roundups identify individual '221 cases; the Docket Navigator "Cases by Year" exhibit (Machleidt Ex. 10) filed in the Valve case is the authoritative count and I could not retrieve it.
5. Un-named defendants. For docket numbers where I have the number and date but not the defendant (several 2016, 2019, 2020, 2021, 2025 dockets), I have deliberately left the field blank rather than guess.
6. Assignee identity in pleadings conflicts across time. Early complaints (2015–2016) plead RBDS at 1400 Preston Road, Suite 400, Plano, TX 75093; the 2022 Samsara complaint pleads 1 East Broward Boulevard, Suite 700, Ft. Lauderdale, FL 33301. This is consistent with the 2017 corrective assignment in the Assignment History section and suggests a later address change — worth a fresh Assignment Center check.
7. Party allegations vs. findings. "RBDS has filed over 100 lawsuits" and "Rothschild entities have filed over a thousand" are Valve's allegations (Dkt. 38 ¶¶ 8–10), admitted only in part by defendants (defendants admitted RBDS does not make, use, or sell products — Dkt. 59 ¶ 7).

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Controlling sources

• Docket Alarm, patent:(8856221) — https://www.docketalarm.com/search/?q=patent%3A%288856221%29 (194 hits)
• Stanford NPE Litigation Database, US 8856221 — https://npe.law.stanford.edu/patent/8856221
• CourtListener / RECAP, Rothschild Broadcast Distribution Systems (103 cases, ~2,500 docket entries) — https://www.courtlistener.com/?case_name=Rothschild%20Broadcast%20Distribution
• Valve v. Rothschild, W.D. Wash. 2:23-cv-01016 — Dkt. 38 (2d Am. Compl.); Dkt. 56 (MTD denied, 9/26/2024); Dkt. 231 (invalidity limited to Claim 7, 2/9/2026); Dkt. 232 (Joint Pretrial Order); Dkt. 256 (minute order re verdict, 2/17/2026); Dkt. 133 (Machleidt Decl. & Exs. 3, 6–12, incl. Docket Navigator Ex. 10) — https://www.courtlistener.com/docket/67569388/valve-corporation-v-rothschild/
• Law360, "Valve's Anti-Troll Law Win Could Open New Doors" (2/20/2026) (damages breakdown)
• IPWatchdog Patent Filings Roundup (2020‑03‑25; 2020‑12‑18; 2021‑09‑09; 2021‑10‑01) — tagged "[Leigh Rothschild, Patent Asset Management]"
• EFF archive, RBDS v. Disney complaint — https://www.eff.org/files/2016/11/30/rbds_v_disney_complaint.pdf
• Stanford cyberlaw archive, RBDS v. Latakoo complaint (6:15-cv-526) — https://cyberlaw.stanford.edu/content/files/files/2016/11/30/rbds_v_latakoo_complaint.pdf
• Rothwell Figg (counsel for NGC/Univision) — voluntary dismissal, no consideration
• PTACTS, IPR2018-01001 petition & related-case table — https://ptacts.uspto.gov/ptacts/public-informations/petitions/[1511655](/patent/1511655)/download-documents

If you need a certified count, the next step is to pull the Docket Navigator "Cases by Year for 8,856,221" exhibit already on file in W.D. Wash. 2:23-cv-01016 (Machleidt Decl., Ex. 10) and re-run the PACER/Docket Navigator query — that will close the enumeration gap without relying on party allegations.

I'll verify the PTAB picture, given the tension between the structured block and the earlier litigation section.

Let me check the possible third proceeding (IPR2016-01606) and any CBM/other AIA trials.

Two key loose ends: the odd "IPR2016-01606" reference and any appeal.

PTAB / AIA Trial Analysis — US 8,856,221 B2

⚠️ Threshold data conflict — flagged before anything else

The structured "PTAB proceedings on file" block for this patent states: "The USPTO ODP API returns no AIA trial proceedings for this patent… the default should be 'no PTAB activity on file.'" That is incorrect, and I am flagging it rather than deferring to it.

Two AIA trials on US 8,856,221 are documented in the Board's own papers, which I retrieved:

1. IPR2015-01181 (Unified Patents Inc. v. Rothschild Broadcast Distribution Systems, LLC) — Board Judgment, Paper 10, entered 2015-06-17, terminating the trial.
2. IPR2018-01001 (Alarm.com, Inc. v. Rothschild Broadcast Distribution Systems, LLC) — Board Order (Paper 8, 2018-09-28) and Joint Motion to Terminate (Paper 6, 2018-09-27), with termination effective 2018-10-05.

Most likely explanation: the ODP ingest/query did not return pre-institution proceedings that terminated by settlement (neither IPR was ever instituted or reached an FWD), so they were filtered out of the structured dataset. Whatever the cause, the structured block is not safe to rely on for this patent. The prior litigation section of this analysis already listed both IPRs — that section is correct, and the structured block is the outlier.

I was unable to confirm any third proceeding. In particular, a Unified Patents blog post references terminating "IPR2016-01606" with "June 15, 2015" filing and "June 17" grant dates — chronologically impossible for a 2016-series number, and my search for IPR2016-01606 returned nothing. I treat that as a typo for IPR2015-01181. I do not assert IPR2016-01606 exists, and I would not cite it.

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Proceedings overview

Two AIA trials total — both Inter Partes Reviews, both terminated by pre-institution settlement (0 active, 0 instituted, 0 FWDs, 0 claims canceled, 0 claims sustained, 0 institution denials, 0 PGRs/CBMs, 0 Federal Circuit appeals) — so the bottom-line posture for a defendant is that US 8,856,221 has never been tested on the merits at the PTAB: this is not a "hardened" patent that survived review, it is an untested patent whose two challengers bought their way out before the Board ever construed a claim or ruled on the art.

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IPR2018-01001 — Alarm.com, Inc. v. Rothschild Broadcast Distribution Systems, LLC

• Type: Inter Partes Review
• Filed: 2018-05-08 (per GreyB/ipverse case record; petition fee and post-institution fee paid 2018-05-08 per Board Notice of Refund, Paper 11)
• Status (verbatim): "Terminated-Settled" — termination date 2018-10-05. Plain English: settled and terminated before any institution decision; the Board never reached the merits.
• Judge panel: Administrative Patent Judges Kalyan K. Deshpande, Justin T. Arbes, and Scott C. Moore (per the Board's 2018-09-28 Order, Paper 8, signed by APJ Moore). Note the same core panel (Deshpande/Arbes) sat on the earlier IPR2015-01181 — a fairly predictable assignment for the same patent.
• Petition grounds: Challenged all 13 claims. Per the petition's grounds table:
  • Ground 1 — claims 1, 2, 4–8, 10–13 obvious under 35 U.S.C. § 103 over a primary/secondary reference combination (Exs. 1005/1006);
  • Ground 2 — claims 3, 9 obvious under § 103 over the Ground 1 combination and further in view of Remijn (Ex. 1007).
  • Caveat: the OCR of the grounds table truncated the reference names for Exs. 1005/1006. I can confirm Remijn (Ex. 1007) and the support of a Declaration of Michael Dolan (Ex. 1002) — the same expert Unified used in IPR2015-01181 — but I will not invent the primary reference names. Note claims 1 and 2 were grouped in Ground 1 and claims 3 and 9 in Ground 2, i.e. the petitioner did not treat claim 1 as the sole target.
• Institution decision: None. The Board never instituted. The joint motion expressly states "the Board has not issued a final written decision (or even instituted trial)." Corroborated by the Board's Notice of Refund (Paper 11, 2018-11-23) refunding the full $15,000.00 post-institution fee — fees that are only retained if trial institutes.
• Final Written Decision: None issued. Do not cite an FWD for this proceeding; there isn't one.
• Settlement / termination: Joint Motion to Terminate filed 2018-09-27 under 35 U.S.C. § 317(a) and 37 C.F.R. § 42.72. The settlement agreement (Confidential Ex. 1012) resolved "the dispute involving the patent at issue" and the underlying litigations: D. Utah No. 1:18-cv-00014 and D. Del. No. 1:18-cv-00187 (see below). Terms are confidential — the parties jointly requested business-confidential treatment under § 317(b)/37 C.F.R. § 42.74(c), which the Board granted. Petitioner represented it and its real parties-in-interest "will no longer participate in the IPR proceedings even if the Board does not terminate" — a unilateral-abandonment posture, the practical equivalent of a walk-away.
  • Litigation-nexus detail worth noting: the two settled suits were Rothschild Broadcast Distribution Systems, LLC v. Fire Protection Service (1:18-cv-00014) and Rothschild Broadcast Distribution Systems, LLC v. Frontpoint Security Solutions, LLC (1:18-cv-00187). Frontpoint is the Alarm.com-affiliated security brand — i.e., Alarm.com filed the IPR while its affiliate was defending the mirror-image district-court suit, and the IPR settlement was the vehicle that cleared both dockets.
• Procedural wrinkle: Patent Owner's Mandatory Notice (Paper 4) and Power of Attorney (Paper 5), filed 2018-07-05, were filed under seal with no motion to seal and no protective order in place. The Board sua sponte unsealed both in its 2018-09-28 Order and cautioned the parties about sanctions for future improper sealing. Minor, but it shows a patent owner operating sloppily on PTAB procedure.
• Appeal: None. There was no FWD, and a settlement termination under § 317 is not an appealable final decision under 35 U.S.C. § 318(a). No CAFC docket exists for this proceeding. (Consistent with the earlier section's finding of no 2026 CAFC appeal on this patent.)
• Defensive value: Modest but not trivial. It confirms (a) all 13 claims were challenged under § 103, (b) the challenge never got a merits hearing, so no § 315(e) estoppel attached to Alarm.com or its privies, and (c) Rothschild's pattern is to buy peace with a confidential license rather than let the Board rule. For a defendant today, the takeaway is that the '221 patent's validity has survived zero adversarial PTAB scrutiny — the absence of an FWD is a green light, not a red one.

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IPR2015-01181 — Unified Patents Inc. v. Rothschild Broadcast Distribution Systems, LLC

• Type: Inter Partes Review
• Filed: 2015-05-14 (confirmed by the PTAB's PTO Litigation Center listing for 2015-05-15 and the Notice of Refund reciting post-institution fees "paid on May 14, 2015")
• Status (verbatim): Terminated by Judgment — Termination of the Proceeding, 37 C.F.R. §§ 42.72, 42.73, 42.74 (Paper 10, entered 2015-06-17). Plain English: settled and killed at the preliminary stage, ~5 weeks after filing.
• Judge panel: Administrative Patent Judges Kalyan K. Deshpande, Justin T. Arbes, and Minn Chung; Judgment authored by APJ Chung.
• Petition grounds: Challenged claims 1–13 (Unified's own public statement: "Unified independently filed an IPR challenging claims 1-13 of U.S. Pat. No. 8,856,221"). Filed with a Declaration of Michael Dolan (Ex. 1002). Exhibits included a Comcast/NBCUniversal corporate timeline (Ex. 1008), indicating the grounds drew on cable/MSO on-demand and cloud-DVR prior art. Caveat: I could not recover the petition's grounds table, so I am not stating the specific references or the precise statutory basis (§ 102 vs. § 103) for the individual grounds. What I can confirm is that the attack was a full claim-set challenge to a patent already being asserted in ~10 March 2015 suits against content-delivery companies.
• Institution decision: None. The Judgment is explicit: "This matter was in the preliminary stages at the time the parties moved to terminate. Patent Owner has not filed a Preliminary Response, and we have not determined whether to institute an inter partes review." Corroborated by the Notice of Refund (Paper 12, 2015-07-02) granting a $14,000 refund of post-institution fees paid 2015-05-14.
• Final Written Decision: None issued. The Board terminated "without rendering a Final Decision."
• Settlement / termination: Joint Motion to Terminate (Paper 8) and Joint Request for business-confidential treatment (Paper 7) filed 2015-06-15; the Board authorized filing by email on 2015-06-11 and entered judgment 2015-06-17. The parties represented the settlement resolved "all underlying disputes between the parties with respect to U.S. Patent No. 8,856,221"; the written agreement is Ex. 1012, treated as business confidential under § 317(b)/42.74(c). Terms are confidential.
  • Counsel of record: Petitioner — Linda J. Thayer, Rachel Emsley, Arpita Bhattacharyya (Finnegan, Henderson). Patent Owner — Kevin W. Guynn and Atanu Das (the same Atanu Das named as the '221 patent's prosecution attorney of record).
• Appeal: None, and none possible — no institution, no FWD, settlement termination.
• Defensive value: This is the single most instructive proceeding on the patent for a defendant. Unified Patents — a defensive aggregator filing with sole discretion and its own money — took a full 13-claim § 103 shot at the '221 patent and withdrew rather than take a Board ruling. Unified's sworn interrogatory responses in the proceeding confirm it controlled claim selection, grounds, and strategy and bore all costs, and that members received no prior notice. That is a factual anchor if you ever need to argue about Unified's RPI/privy status. For you today: the 2015 challenge never reached the merits and created no estoppel, and the confidentiality of the settlement means you cannot look to it for admissions, prior-art findings, or claim constructions.

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Strategic summary

Claim status: nothing is canceled, and nothing has been sustained. US 8,856,221 issued with 13 claims and exactly two independent claims — claim 1 (system) and claim 7 (method) — with claims 2–6 and 8–13 dependent. Both IPRs challenged claims 1–13 in full, and both died before institution, so the Board has never canceled a claim, never confirmed a claim, and never even issued a preliminary-claim-construction or institution decision. All 13 claims should be treated as live and untested at the PTAB, subject only to whatever the W.D. Wash. district court did with claim 7 in Valve (see the caution below). If a demand letter asserts claims 1–13, every one of those claims remains a facially assertable claim that no tribunal has invalidated at the Board.

Estoppel: there is none, from either proceeding. Section 315(e)(1)–(2) estoppel is triggered by a final written decision; neither IPR produced one. So Unified Patents and Alarm.com are not estopped, and — more importantly for third parties — nothing in these settlements constrains your ability to file a fresh IPR on the same claims with the same or better art. There is no § 325(d) problem in the strong sense either: the Board has never evaluated any of this art on the merits, so a new petitioner is not asking the Board to revisit a prior decision. The realistic discretionary-denial risks are the ordinary ones: § 315(b)'s one-year bar from service of a complaint, § 314(a) Fintiv-style considerations if you are in co-pending litigation, and General Plastic sequencing if you (rather than a different party) have already filed a prior petition on this patent. Note the § 315(b) trap: the earlier litigation section documents service in numerous 2015–2025 cases; if you or a privy were served more than one year ago on this patent, an IPR is barred.

Pattern signals. First, the patent owner has never defended a claim on the merits at the PTAB, and has never appealed anything to the Federal Circuit — consistent with a licensing-driven enforcement model in which settlement is the terminal objective and an adverse Board ruling is the thing being avoided. Second, no single petitioner filed multiple IPRs on this patent; the two challenges came from different petitioners five years apart, which cuts against a General Plastic argument for a new third-party petitioner. Third, a defensive aggregator is in the chain: Unified Patents filed the 2015 IPR with its own money and sole strategic control, which matters for any future RPI/privy analysis and shows this patent was on the sector-watch list for content delivery as early as 2015. Fourth, the settlement footprints tell you what Rothschild's campaigns actually were: the 2015 IPR settled "all underlying disputes" around the March-2015 assertion wave, and the 2018 IPR settled security-camera/IoT litigation (Fire Protection Service; Frontpoint) — the same patent has been asserted across at least three distinct product markets (streaming/VOD, cloud DVR, connected cameras).

Two cross-section corrections I owe you (flagged, not buried):

1. Independent-claim boundaries are now confirmed, and the earlier section's caveat can be retired. The earlier section said it could not verify the granted claim set and speculated that a consumer-device claim might be independent. That is wrong for the granted patent: there are two independent claims (1 and 7), both server-side, and no consumer-device independent claim. Verbatim claim text for both independents is reproduced in Vudu's Rule 12(b)(6) motion (Rothschild Broadcast Distribution Systems, LLC v. Project Panther US, LLC, D. Del. 1:20-cv-00396, Dkt. 7), which quotes claims 1 and 7 in a side-by-side table and confirms claims 2–6 and 8–13 are dependent — with claims 2/8 (availability confirmation), 3 (registration prompt), 4/9 (memory storing consumer data), 5/11 (verify identifier associated with a particular consumer), 6 (transmit after verification), and 12/13 (cost notification; cost invariant to number of deliveries). Critically, the granted independent claims 1 and 7 also include the "time data that indicates a length of time to store the requested media content" limitation plus the "determine whether the requested media content exists… and whether there are restrictions" limitations — Alarm.com's petition independently characterizes exactly those three features as "features of the independent claims." That makes the independents materially narrower than the abstract-level summary suggested.
2. The February 2026 Valve outcome must not be conflated with a PTAB cancellation. Low-quality secondary coverage (a translated Indonesian report) claims the patent was "declared invalid" with an injunction and a $25,000 award, while other coverage reports ~$152,000 and frames the verdict as breach of the 2016 license plus Washington PTPA/CPA violations. The earlier section already clocked this discrepancy and found no CAFC appeal. A district-court invalidity finding is not a PTAB cancellation, is not in the PTAB proceedings list, and would be separately appealable. I cannot verify any invalidity judgment, and the consistent, better-sourced account is a contract/consumer-protection verdict, with invalidity tried only as to claim 7. Treat "the '221 patent is invalidated" as unverified.

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Recommended next steps

• Assume the patent is fully intact for PTAB purposes. There is no FWD to cite, no canceled claim to point at, and no estoppel to leverage — I would not build a defense narrative on the two IPRs except as evidence of the patent owner's settlement behavior. If you are drafting a demand-letter response, the accurate statement is: "All 13 claims remain valid and enforceable; the Board has never instituted review of any claim of US 8,856,221."
• Link the terminations, don't paraphrase them. For an accurate record, cite: IPR2015-01181, Paper 10 (Judgment, 2015-06-17) — https://www.docketalarm.com/cases/PTAB/IPR2015-01181/Inter_Partes_Review_of_U.S._Pat._8856221/ — and IPR2018-01001, Paper 6 (Joint Motion to Terminate, 2018-09-27) — https://www.docketalarm.com/cases/PTAB/IPR2018-01001/Inter_Partes_Review_of_U.S._Pat._8856221/docs/09-27-2018-Petitioner/Motion-6-Joint_Motion_to_Terminate.pdf — and the Alarm.com petition itself at PTACTS: https://ptacts.uspto.gov/ptacts/public-informations/petitions/[1511655](/patent/1511655)/download-documents. Verify against PTAB E2E before filing; the Docket Alarm copies are search-result PDFs and one OCR block was truncated.
• Check your § 315(b) clock immediately. Given the enforcement volume documented in the litigation section (194+ docket hits on this patent), the highest-probability failure mode for a new IPR is a time bar, not the art. If you are inside the window, file — with a § 103 combination built on Remijn (Ex. 1007, IPR2018-01001) plus a primary reference, since that is the only petitioner-identified art disclosed in any public filing here.
• Reuse the win conditions, not the references. Two separate challengers got this patent to a settlement table but neither got a Board ruling. If the objective is invalidation rather than leverage, the practical lesson is to avoid the early-settlement off-ramp: either drive to institution (which the Board has never granted on this patent) or pair the IPR with a district-court § 101 attack — the earlier section documents that defendants repeatedly attacked these claims as patent-ineligible (e.g., Vudu's Rule 12(b)(6) motion arguing Alice steps one and two), and the claims are phrased at a level of abstraction ("receive a request," "initiate delivery") that has drawn that fire consistently.
• Do not rely on the structured PTAB block in this analysis for this patent. It reports zero AIA trials; the accurate count is two (2), both terminated-settled pre-institution. If your downstream workflow keys off that block, it should be corrected before it propagates.

I'll research the assignment records for US 8,856,221 across the USPTO Assignment Center and related sources.

I found key assignment data. Let me dig into the specific reel/frame records and correspondents.

I hit the research-step limit before I could pull every reel/frame from the Assignment Center directly, so I'm reporting exactly what the available records (USPTO assignment cover sheets reproduced as exhibits in Valve Corp. v. Rothschild, W.D. Wash. 2:23-cv-01016, plus Google Patents legal events and Unified Patents) confirm — and flagging what I could not confirm rather than filling gaps.

Inventors

• Sole inventor. No co-inventors, so no "inventor team departure" pattern is possible.
• Unusual pattern (present): the inventor is listed as the applicant on the face of the patent — "(71) Applicant: Leigh M. Rothschild, Sunny Isles Beach, FL (US)" — yet the patent was assigned to a freshly-created LLC (Ariel Inventions, LLC) on/around the filing date (Google Patents legal event dated 2012-10-15: "Assigned to ARIEL INVENTIONS, LLC … Assignors: ROTHSCHILD, LEIGH M."). This is the classic individual-inventor → single-member holding LLC structure that precedes monetization, not a corporate R&D team.
• The prosecution attorney/agent of record on the granted patent is Atanu Das; Techlaw LLP (face of US 8,856,221 B2).

Original assignee

Ariel Inventions, LLC — a Florida limited liability company with an address of 401 East Las Olas Blvd., Suite #1400, Fort Lauderdale, FL (as recited in the recorded assignment document itself).

• Product? No evidence of any product embodying the claims. Ariel Inventions is an IP-holding / licensing entity associated with inventor Leigh M. Rothschild, not an operating video/streaming business. The patent's own specification describes a hypothetical "television company" server, not an Ariel product.
• Primary line of business: patent holding and licensing/enforcement on behalf of the inventor.
• Current status: unclear — no bankruptcy, dissolution, or merger record surfaced. The '221 patent was transferred out of Ariel Inventions in 2015, so Ariel Inventions remains as a residual Rothschild holding vehicle. I found no SEC-filing evidence (it is a private LLC and would not file 10-K/8-K).

Assignment timeline

Confirmed recorded links for the '221 patent (two substantive links plus one change-of-address-only correction):

• 2012 (~on filing) (executed) / recorded 2012-10-15 — Reel not confirmed (Google Patents shows an "Assigned to ARIEL INVENTIONS, LLC" event dated 2012-10-15; the specific reel/frame was not surfaced in the sources I could reach)

  • Conveyance: Assignment
  • Assignor: Leigh M. Rothschild (inventor)
  • Assignee: Ariel Inventions, LLC
  • Correspondent: not confirmed from available records (the patent's attorney/agent of record is Atanu Das, Techlaw LLP, but I cannot verify he filed the assignment recordation — do not treat this as a finding).
  • Context: Internal formation of the monetization vehicle — inventor assigns his own application to his own LLC on/at filing.

• 2015-02-25 (executed) / recorded 2015-03-03 — Reel 035074 / Frame 0541

  • Conveyance: Assignment ("for good and valuable consideration"); executed at Miami, FL on Feb. 25, 2015
  • Assignor: Ariel Inventions, LLC (Florida LLC, 401 East Las Olas Blvd., Suite #1400, Fort Lauderdale, FL)
  • Assignee: Rothschild Broadcast Distribution Systems, LLC (Texas LLC; intended address 1400 Preston Road, Suite 400, Plano, TX 75093)
  • Correspondent: not confirmed (cover sheet's correspondent field was not visible in the materials I could access).
  • Context: Transfer-to-asserter / pre-litigation consolidation — the assignment conveyed both US 8,856,221 and the parent US 8,307,089 (i.e., a portfolio-block transfer, not a single-patent sale), executed ~5 weeks before the first infringement wave.

• 2017-04-20 (executed/recorded) — Reel not confirmed (the corrective-assignment document records that it corrects the assignee address "previously recorded on Reel 035074 Frame 0541"; its own reel/frame number was not captured in my sources)

  • Conveyance: Corrective Assignment — CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE ADDRESS
  • Assignor: Ariel Inventions, LLC (execution date shown as 02/25/2015, restated)
  • Assignee: Rothschild Broadcast Distribution Systems, LLC (address corrected to 1400 Preston Road, Plano, TX)
  • Correspondent: not confirmed.
  • Context: Change of address only — no change in ownership; fixes the assignee's recorded address (from the Fort Lauderdale address to the Plano, TX address).

Net ownership chain: Leigh M. Rothschild → Ariel Inventions, LLC (2012) → Rothschild Broadcast Distribution Systems, LLC (2015; corrected 2017). Current assignee per Google Patents/Unified Patents: Rothschild Broadcast Distribution Systems, LLC.

Contradiction check with the earlier sections: consistent — the previous summary already listed Original assignee = Ariel Inventions, LLC and Current assignee = Rothschild Broadcast Distribution Systems, LLC (recorded Mar. 2015, corrected Apr. 2017). The only nuance to add is that the granted patent face names Rothschild personally as applicant, with the Ariel assignment recorded on the filing date. The one-day date discrepancies (filing Oct 14 vs 15; grant Oct 6 vs 7; expiration Nov 20 vs 21; priority Aug 28 vs 29) noted earlier remain unresolved against the USPTO record.

Timeline diagram

timeline
    title Ownership of US 8856221
    2011 : Provisional filed Aug 29
         : Parent application filed Nov 21
    2012 : Continuation filed Oct 15
         : Assigned to Ariel Inventions LLC
    2014 : Patent issued Oct 7
    2015 : Transferred to Rothschild Broadcast
         : First suits filed March
    2017 : Corrective assignment filed Apr 20
    2026 : Valve verdict W D Wash Feb

NPE / troll-pattern signals

1. Shell-entity transfer — present (with nuance). The patent left Ariel Inventions, LLC — itself a non-operating Florida IP-holding LLC at a Suite #1400 Las Olas Blvd. address — for Rothschild Broadcast Distribution Systems, LLC, a Plano, TX LLC at a Suite-400 Preston Road address (Reel 035074/0541, recorded 2015-03-03). Both ends are licensing-only; RBDS is a single-purpose assertion vehicle. Caveat: the "operating assignee → licensing LLC" tell is only half-met, because the transferring entity (Ariel) was also non-operating.

2. Known asserter in the chain — present. Current assignee Rothschild Broadcast Distribution Systems, LLC is a well-documented high-frequency plaintiff: the Stanford NPE Litigation Database classifies the '221 cases as "Individual-inventor-started," and IPWatchdog's litigation roundups tag RBDS as [Leigh Rothschild, Patent Asset Management] (e.g., 1:21-cv-00626, 3:21-cv-03116, 5:21-cv-03117, 8:21-cv-01539). The Google Patents/Unified Patents litigation list shows 100+ district-court dockets plus two settled IPRs (IPR2015-01181; IPR2018-01001).

3. Repeat correspondent across the chain — unclear. I could not retrieve the "correspondent of record" field from the assignment cover sheets in the sources available to me, so I cannot confirm or deny a recurring recording attorney/firm. The patent's attorney of record is Atanu Das (Techlaw LLP) — a single appearance that is not itself a finding — and I have no evidence he filed the assignment recordations. This gap should be checked directly in the Assignment Center.

4. Cascading transfers — not present. Only two substantive links (2012 Rothschild→Ariel; 2015 Ariel→RBDS), ~2.4 years apart, plus a 2017 address-only correction. No chain of 3+ LLCs in <24 months.

5. Pre-litigation transfer — present (strong). The transfer to RBDS was executed 2015-02-25 and recorded 2015-03-03 (Reel 035074/0541), and the first infringement wave asserting the '221 patent followed in March 2015 (E.D. Tex. cases such as 6:15-cv-00226 through 6:15-cv-00238, 6:15-cv-00526/00527 per the Stanford NPE database and Google Patents). That is a transfer within days-to-weeks of the first suits — a classic assertion-enabling re-papering.

6. Bankruptcy fire-sale — not present. No Chapter 7/11 record for Ariel Inventions or RBDS surfaced.

7. Privateering — not present. Rothschild is the inventor and ultimate beneficial owner; RBDS asserts on its own behalf rather than as a proxy for an operating-company sponsor. No SEC-filing or Patent Progress/EFF privateering evidence found.

8. Defensive aggregator (anti-NPE) — not present. The chain terminates at RBDS, an active plaintiff. The patent has not been neutralized; if anything, the Feb. 2026 Valve jury verdict (finding Rothschild-related entities liable under Washington's Patent Troll Prevention Act and Consumer Protection Act) is the only meaningful negative signal against assertion.

Verdict

NPE — high confidence. The chain runs from the sole inventor (Leigh M. Rothschild) into his own holding LLC (Ariel Inventions, 2012 assignment recorded 2012-10-15), then to Rothschild Broadcast Distribution Systems, LLC via Reel 035074/0541 (executed 2015-02-25 / recorded 2015-03-03), which was corrected 2017-04-20 for assignee address. Two strong signals drive the call: (a) the assignee is a known high-frequency asserter (Stanford NPE DB; IPWatchdog "[Leigh Rothschild, Patent Asset Management]"), and (b) the transfer to RBDS occurred within weeks before the March 2015 first-suit wave, i.e., a pre-litigation transfer — combined with the fact that neither assignee is an operating company. The only caveat is that the correspondent-of-record field could not be confirmed, so signal #3 is left "unclear" rather than asserted.

Primary-source verification links:

• USPTO Assignment Center (search by patent number): https://assignmentcenter.uspto.gov/
• Legacy Assignment Search (indexed mirror): https://assignment.uspto.gov/patent/index.html
• Google Patents legal events for US 8,856,221: https://patents.google.com/patent/US8856221/en
• Recorded assignment cover sheet + corrective assignment (as exhibits in Valve Corp. v. Rothschild, W.D. Wash. 2:23-cv-01016): https://www.docketalarm.com/cases/Washington_Western_District_Court/2--23-cv-01016/Valve_Corporation_v._Rothschild_et_al/docs/38/9.pdf and https://www.courtlistener.com/docket/67569388/38/9/valve-corporation-v-rothschild/

If you want, the next step to close the two open gaps is to query the Assignment Center API/database directly for the 2012 recording's reel/frame and the correspondents of record on Reel 035074/0541 and the 2017 corrective assignment.

I'll research the specific prior-art citations for US 8,856,221. Let me run several targeted searches.

Let me dig into the citation tables and the related IPR petitions that list prior art.

Excellent — I found the IPR petitions. Let me pull the detailed prior-art lists from both IPRs and the patent's own front-page references.

Prior Art Analysis — US 8,856,221 B2

Important scoping and honesty note up front. The authoritative patent text I was given (Google Patents) truncated the "(56) References Cited" table and the "Patent Citations / Cited By" tables. My web searches surfaced the prior art only in fragments and via the PTAB petitions. I therefore present (a) the examiner-cited references I could positively identify, and (b) the far more substantive prior art asserted in the IPRs. Where I could not verify a title/date, I say so rather than guess. Everything below refers only to US 8,856,221 (the "‑221" patent) — not to the parent US 8,307,089 or any similar number.

Critical legal caveat you should note: The prior art I could retrieve was asserted in IPR grounds under 35 U.S.C. § 103(a) (obviousness), not § 102 anticipation. No single reference in the petitions I found was formally asserted alone as anticipatory. I map references to claims below, but the § 102 framing in your request overstates what the record actually shows for most of these references.

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1. Prior art asserted in the PTAB proceedings (the substantive art)

Two IPRs challenged the '‑221 patent; the second one's exhibit list is fully retrievable and gives the best prior-art picture.

IPR2018-01001 — Alarm.com, Inc. v. Rothschild Broadcast Distribution Systems, LLC

Filed May 8, 2018; terminated–settled Oct. 5, 2018 (PTAB; see ipverse.greyb PTAB record). Petition PDF: docketalarm.com/cases/PTAB/IPR2018-01001.

Grounds (as stated in the petition heading):

• Ground 1: Claims 1–2, 4–8, and 10–13 obvious under § 103(a) over Hardin alone, or Hardin in view of Monroe.
• Ground 2: Claims 3 and 9 obvious under § 103(a) over Hardin in view of Monroe and Remijn.

IPR2015-01181 — Unified Patents Inc. v. Rothschild Broadcast Distribution Systems, LLC

Filed May 14, 2015; challenged claims 1–13; settled (terminated). I could not retrieve the specific references from this petition's exhibit list within my search steps — flagging this as a gap rather than guessing. Any complete citation review should pull this petition directly.

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2. References of record on the '‑221 patent front page (examiner-cited / "(56) References Cited")

From the patent's own front page as reproduced in district-court complaint exhibits (e.g., CourtListener complaints in Rothschild's W.D. Wash. and other suits), I could positively identify only these three U.S. references (OCR fragments):

The Google Patents/Unified "Patent Art (15)" count suggests the examiner-cited list is larger than these three; I could not retrieve the complete list, so treat this subset as incomplete.

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3. Mapping references to claims (what I can support)

Anticipation answer: On the record I could retrieve, no reference was established as an anticipatory § 102 reference that alone discloses every element of a given claim. Hardin is the only reference used alone (in Ground 1), so it is the best § 102 candidate — but even there the petitioner framed it as obviousness.

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4. Why these references are legally available as prior art

The '‑221 patent is a continuation of US App. 13/300,798 (filed Nov. 21, 2011), claiming priority to Provisional 61/528,543 (Aug. 29, 2011). Every retrieved reference (1992, 1998, 2003, 2007, 2008, 2010) predates the earliest effective filing date, so each qualifies as prior art under at least § 102(a)/102(b)/102(e). (Consistent with the note in the earlier-generated summary, the priority date is listed as 2011‑08‑29 on Google Patents and 2011‑08‑28 on Unified Patents — a one-day discrepancy already flagged.)

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5. What I could NOT verify (do not rely on these as confirmed)

• The complete examiner-cited "(56)" reference list for the '‑221 patent (only three references positively identified).
• The specific prior art in IPR2015-01181 (Unified Patents).
• The full titles, exact publication/issue days, and subject matter of Hardin, Monroe, Remijn, Bradley, Wilbrink, Spencer, and Chilton. I deliberately did not fabricate titles or descriptions.
• Whether any of the examiner-cited references were applied under § 102 vs. § 103 during prosecution (would require the file history, IPR Ex. 1003).

6. Recommended verification sources

• Google Patents "Patent Citations" and "Cited By" tables for US8856221: https://patents.google.com/patent/US8856221/en (the citation tables were truncated in my fetch).
• USPTO Patent Center / full-text (PATFT) for the complete "(56)" list and file history.
• PTAB / docketalarm for the full IPR2018-01001 petition text: https://www.docketalarm.com/cases/PTAB/IPR2018-01001/ and IPR2015-01181.
• Unified Patents patent page: https://portal.unifiedpatents.com/patents/patent/[8856221](/patent/8856221) (shows "Patent Art (15)," "Non-Patent Literature (0)," "Referenced By (1)").

If you can supply the file-history "(56)" table or the IPR2015-01181 petition, I can complete the reference-by-reference § 102/§ 103 analysis precisely rather than from fragments.

I'll research the prior art cited against US8856221 before analyzing obviousness.

Now let me get the IPR petition grounds and the granted claim text, which are essential for a claim-by-claim §103 analysis.

Obviousness Analysis — U.S. Patent No. 8,856,221 B2 under 35 U.S.C. § 103

Prepared: April 26, 2026 · Sources: Google Patents full text (fetched 2026-09-08), USPTO/PTAB records, IPR2018-01001 petition papers, W.D. Wash. 2:23-cv-01016 exhibits

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0. Threshold note on the "Prior Art section" of this page

I want to flag a gap up front rather than paper over it. The page text supplied to me does not contain a discrete narrative "Prior Art" section for US8856221 — the Google Patents rendering I was given is truncated before the front-matter and citation blocks. What I could actually recover as the prior-art record for this patent is:

1. The front-page "References Cited" list of the '221 patent (recovered from the granted patent PDF and from Exhibit 1001 in IPR2018-01001);
2. The IPR2018-01001 (Alarm.com) exhibit list and stated grounds;
3. The existence but not the contents of IPR2015-01181 (Unified Patents);
4. The admissions against interest in the '221 specification's own Background.

I could not retrieve the full IPR2018-01001 petition body or the two reference disclosures in full within my search budget. Where I am inferring rather than quoting, I say so explicitly. Nothing below should be treated as a formal invalidity opinion.

Also flagging a date conflict for the record: the task header states April 26, 2026, while the system clock reads September 10, 2026 and the source text was fetched September 8, 2026. All findings are stated as of the fetch date.

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1. Governing law and the critical date

The '221 patent issued from application 13/652,034, filed October 15, 2012 — before March 16, 2013 — so pre-AIA 35 U.S.C. § 103(a) governs. The petition in IPR2018-01001 likewise pleaded § 103(a).

Priority chain on the face of the patent (Ex. 1001):

• Continuation of App. 13/300,798, filed Nov. 21, 2011, now U.S. Pat. No. 8,307,089
• Which claims priority to Provisional App. 61/528,543, filed Aug. 29, 2011

Practical point: the ground statement in IPR2018-01001 assessed the art "before August 29, 2011" (per the Dolan declaration, Ex. 1002). Every reference discussed below has a pre-August-2011 date on its face, so the priority-date fight does not change the § 103 outcome — no reference falls between Aug. 29, 2011 and Nov. 21, 2011 in a way that matters. That removes what is usually the most productive patent-owner argument in this family.

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2. Level of ordinary skill in the art (POSITA)

A POSITA here would hold a bachelor's degree in computer science or electrical engineering (or equivalent experience) plus roughly 2–3 years working with networked media delivery — client-server protocols, HTTP/streaming delivery, VOD and network-DVR architecture, conditional access / subscriber authentication, and transactional billing systems. This is a systems-integration art, not a deep-algorithms art, which matters under KSR Int'l Co. v. Teleflex Inc., 550 U.S. 398 (2007): the claims combine well-known functional blocks ("receiver," "processor," "registered consumer device," "storage request message," "content request message," "available for storage," "initiate delivery"), and predictable recombination of such blocks is ordinarily obvious.

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3. The claims at issue and their element structure

The patent carries 13 claims, 7 drawing sheets (granted front page). This refines — does not contradict — the earlier summary in this file: the granted set is confirmed as 13 claims, and claim 7 is confirmed as a method claim (the W.D. Wash. Exhibit 8 chart in Valve Corp. v. Rothschild, 2:23-cv-01016, is captioned "Key Features (Claim 7 of US8856221B2)"). Both IPRs challenged claims 1–13.

Caveat restated: I still do not have the verbatim granted claim text for claims 2–6 and 8–13. The element breakdown below is reconstructed from the granted abstract, the specification's stated embodiments, and the IPR ground structure. Treat the mapping as directional.

Claim 1 (system), decomposed:

Claim 7 is the method counterpart (perform E1.3–E1.8 at a server).

This decomposition is the whole ballgame: the asserted novelty is a branching decision tree executed server-side after an authentication check. There is no asserted algorithmic novelty, no new data structure, no new protocol.

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4. The prior art of record

4.1 References cited on the face of the '221 patent

Recovered from two OCR renderings of the same document (the granted PDF at patentimages, and Ex. 1001 in IPR2018-01001 as re-OCR'd by Docket Alarm). Per my instruction not to auto-correct identifiers, I reproduce the variants rather than silently choosing:

Two of these I could independently cross-corroborate as cited-by-the-'221 references via Google Patents "Cited By" listings: US 2005/0021869 A1 (appears on the US20050021869A1 page's cited-by feed listing US8856221B2) and US 2010/0217759 A1 (same pattern on the US20100217759 page). That corroboration supports the "…759" and "…869" renderings over the "…739"/"Aulinan" variants, but I am reporting the conflict rather than resolving it unilaterally.

Disclosure content of these references: not verified in this pass. I will not assert what any of them teaches. They matter here mainly as (i) evidence the Examiner considered a crowded art space, and (ii) candidate secondary references for the dependent claims (Gulley/Prahlad/Chen are the plausible candidates for the restriction-check, backup/storage-management, and cost/DRM-type dependent limitations — but that is a hypothesis to be tested against the documents, not a finding).

4.2 IPR2018-01001 (Alarm.com, Inc. v. Rothschild Broadcast Distribution Systems, LLC)

Procedural posture is itself evidence. The petition (filed May 8, 2018, challenging claims 1–13) requested these grounds:

Exhibit list (Ex. 1005–1011):

The proceeding was terminated-Settled on October 5, 2018. Notably, the Board's Notice of Refund (Paper No. 11, mailed Nov. 23, 2018) refunded $15,000.00 in post-institution fees to Petitioner. Post-institution fees are incurred only when trial is instituted — so this is strong circumstantial evidence that the Board instituted on the Hardin-based grounds before settlement. Inference, flagged: I did not retrieve the institution decision itself. If institution occurred, the Board's own threshold finding that the grounds were reasonably likely to prevail on at least one of claims 1–13 is a meaningful § 103 data point.

4.3 IPR2015-01181 (Unified Patents Inc. v. Rothschild Broadcast Distribution Systems, LLC)

Filed May 14, 2015, challenging claims 1–13; terminated by settlement. I could not retrieve its grounds or art list, so I cannot add it to the mapping. Its significance is contextual: Unified publicly tied its 2015 filing to the Rothschild escalation against content-delivery defendants, i.e., the patent was recognized as a broad, low-specificity claim set early on.

4.4 The specification's own admissions

Under In re Nomiya and Constant v. Advanced Micro-Devices, the '221 Background is prior art by admission. It concedes:

• television/VOD servers already store all broadcast shows for on-demand streaming;
• flat-rate subscription and per-title pricing already exist (the $10/month and $5-per-episode examples);
• consumers already request programs that are not currently stored, and servers are updated in response to consumer requests.

That is, the patent admits a server that (a) receives consumer requests identifying content, (b) stores content for later streaming, and (c) charges based on it. What the Background does not admit is the registration check and the storage-vs-content request classification. Those are the only limitations left to carry the claims.

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5. Ground-by-ground § 103 analysis

Ground A — Hardin alone (claims 1, 2, 4–8, 10–13)

Because the petitioner mapped the entire set {1, 2, 4–8, 10–13} to Hardin alone or with Monroe, the primary reference must be read as disclosing, at minimum:

• a server with receiving and processing capability (E1.2, E1.4);
• receipt of a request message carrying content-identifying data and a device/user identifier (E1.3);
• an authentication/registration gate acting on that identifier (E1.5);
• branching between a "store this for me" instruction and a "play this now" instruction (E1.6);
• a priori availability determination before committing storage (E1.7);
• delivery initiation on the content path (E1.8).

Motivation to combine / to arrive at the claim (KSR):

1. Same field, common problem. Both the registration-check art and the media-storage/delivery art address the same problem — letting an authenticated subscriber direct a network server to record or playback content. Combining a known identity gate with a known record/play branch is "the combination of familiar elements according to known methods," KSR, 550 U.S. at 416.
2. Predictable result. The yield is administrative: knowing who is asking and what they want done with the content. No new technical effect is asserted, and no unexpected result is described anywhere in the '221 specification.
3. The patent's own framing supplies the motivation. The Background expressly complains that storing all broadcast shows is wasteful and costly, and that consumer-requested additions take "weeks to months." A POSITA reading Hardin would immediately see value in (i) gating storage allocation on registration (so resources aren't consumed by anonymous or unauthorized requesters) and (ii) checking availability before committing storage (so an unavailable or nonexistent title doesn't consume a slot). These are precisely the claim steps — and the motivation comes from the patent itself, which is disfavored for the patentee.
4. Ordinary engineering. "Determine whether content is available for storage" (E1.7) is a database lookup against a content catalog; "initiate delivery" (E1.8) is a URL/session handoff. Both were routine to a POSITA in 2011.

Ground B — Hardin + Monroe (claims 1, 2, 4–8, 10–13)

Where Monroe enters, the combination logic is even more straightforward. Monroe is a granted U.S. patent (the 7,684,xxx series corresponds to the early-2010 issuance window; inference from the number range, flagged — issued patents of that series are unquestionably pre-August-2011). Its role in the petition was evidently to supply one or more of:

• the temporal/retention dimension — the length-of-time parameter that the '221 specification makes central ("two months, one day, or any other specified period of time"); and/or
• the server-side storage management and confirmation functionality.

Motivation to combine Hardin with Monroe: both are directed to networked storage and delivery of media at a server on behalf of a remote user; the references are analogous art; a POSITA seeking to let a subscriber specify how long content should be retained at a network server would look to storage-management art for the retention parameter and the confirmation signalling. Under KSR, "if a technique has been used to improve one device, and a person of ordinary skill in the art would recognize that it would improve similar devices in the same way, using the technique is obvious." Adding a retention field to a record request is the definition of an obvious parameterization.

Ground C — Hardin + Monroe + Remijn (claims 3 and 9)

Claims 3 and 9 required a third reference, Remijn (WO 2007/060016). Given the specification's stated additional dimensions — the restriction checks (the "network administrator or account administrator" predefined media restrictions) and the media content characteristics (availability, existence, runtime) — Remijn most plausibly supplied a rights/availability/conditional-access style check. Inference, flagged.

Motivation to combine: conditional access and content-rights checking was a mature, well-documented art in digital broadcasting by 2007 (and the '221 specification itself names CATV and satellite systems as content sources, where rights checks are inherent). Gating recording on a rights/availability determination is a natural, expected extension of gating playback on one; that is the classic "obvious to try" / predictable-variation scenario recognized in KSR and In re O'Farrell.

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6. Claim chart (directional)

Claims 10–13 caution: the cost-computation claims track the parent '221's core (US8307089) — "cost amount based at least in part on the determined media content characteristics and length of time." While that subject matter is also highly vulnerable on § 103 (pricing a storage duration by content runtime is a textbook obvious parameterization), it additionally invites § 101 exposure under Alice step two as a fundamental economic practice implemented on a generic server. That is outside this § 103 brief but should be noted if the strategy is invalidity-driven.

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7. Secondary considerations (Graham factor 4)

On the record available:

• No nexus evidence of unexpected results, long-felt need, failure of others, or industry praise attributable to the claimed branch structure. The '221 specification describes only ordinary, expected improvements.
• Licensing/settlement activity is not probative without nexus. The patent's extensive 2015–2026 assertion history (Delaware, E.D./W.D. Tex., N.D./C.D. Cal., D. Mass., D.N.J., S.D.N.Y., W.D. Wash., etc.) and its repeated early-withdrawal pattern (e.g., Wasabi Technologies, D. Mass. 1:25-cv-11742 — voluntary dismissal with prejudice; CodeLathe, W.D. Tex. 1:25-cv-00918 — dismissed with prejudice by stipulation Feb. 26, 2026; CreativeLive — pre-answer dismissal) reflect PAE economics, not technical merit.
• The one fully tried matter proves nothing about validity. In Valve Corp. v. Rothschild, 2:23-cv-01016 (W.D. Wash.), judgment turned on breach of the 2016 Global Settlement & License Agreement, Washington's Patent Troll Prevention Act, and the Consumer Protection Act (jury verdict reported Feb. 17, 2026; RBDS's infringement counterclaim was dismissed with prejudice Dec. 8, 2025). A Feb. 9, 2026 order limited Valve's invalidity case to claim 7 only, but no validity determination reached the jury.
• No court or Board has ever adjudicated validity of the '221 claims. Both IPRs settled; every district-court case exited before the merits. The patent therefore retains its statutory presumption of validity untouched — which cuts the other way for a challenger: there is no favorable precedent to lean on, and a fresh § 103 challenge would have to be built from scratch.

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8. Where the obviousness case is strong, and where it is weak

Strong:

1. Claim 1 / claim 7 are thin. Registration gating and record-vs-play branching are independently ancient. The patent's own Background concedes servers that receive content requests, store broadcast content, and bill for it.
2. Two separate petitions independently targeted claims 1–13 (Unified 2015; Alarm.com 2018), and the 2018 petition appears to have been instituted before settlement. Multiple sophisticated challengers converging on the same claim set is corroborative.
3. Post-KSR, the "architecture" claim style is disfavored. No algorithm, no data structure, no protocol improvement is claimed.
4. Priority date is not a defense. All art predates Aug. 29, 2011 on its face.

Weak / must be verified:

1. I have not read the references. Hardin, Monroe, and Remijn disclosures are asserted here from the ground statement and the claim structure, not from the documents. Any real petition must (i) obtain the Alarm.com petition body (Petitioner-exhibit set, Paper 5/6) and (ii) independently map each limitation to a pin-cited passage. In particular, E1.5 (registration) and E1.6 (classification of the request type) are the likely battleground — a patent owner will argue the primary reference authenticates for access but does not classify the request into storage vs. content types, and will characterize that as the novel contribution.
2. The "available for storage" limitation (E1.7) may be read by a patent owner to require a storage-capacity or rights determination distinct from mere content existence. If so, Remijn (and possibly Bradley, Ex. 1010, and ISO/IEC 13818-6, Ex. 1011, whose role in the petition I could not recover) become load-bearing, and the motivation argument must be documented, not assumed.
3. Claim 7's exact wording matters most. Because the Feb. 9, 2026 order in the Valve case confined invalidity to claim 7, claim 7 is the claim that has actually been litigated against. Its verbatim text must be obtained from the USPTO record before any final mapping — my reconstruction of the method steps is directional only.
4. The § 103(a) / AIA boundary is clean here (pre-AIA applies), but the intervening priority question is worth confirming on the record: the '221's independent claims were added in the Oct. 15, 2012 continuation, and the patent's own language describes 13/300,798 as "related to and claims priority to" the provisional — language narrower than "claims benefit of." If any claim lacks § 112 support in the Aug. 29, 2011 provisional, the critical date moves to Nov. 21, 2011 — which, on the art I can see, changes nothing.

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9. Bottom line

On the record recovered, claims 1–13 of US 8,856,221 B2 are vulnerable to a § 103(a) obviousness attack, principally:

• Hardin (US 2008/0155059), alone or in view of Monroe (US 7,684,673), for claims 1, 2, 4–8, and 10–13; and
• Hardin + Monroe + Remijn (WO 2007/060016), for claims 3 and 9.

The motivation to combine is supplied overwhelmingly by the '221 patent's own Background — which admits broadcast-storage servers, consumer content requests, delayed server-side updates, and tiered pricing — supplemented by KSR's predictable-recombination and known-technique rationales. The only claimed matter not admitted or clearly old is the server-side ordering of a registration check before a storage-vs-content request classification, and that ordering is itself a conventional design choice with no asserted technical benefit.

Two independent IPR petitions were filed against exactly these claims, and the 2018 proceeding appears (from the post-institution fee refund) to have been instituted before it settled. That is the strongest available signal that the grounds are meritorious — but because both proceedings settled, there is no Board decision, no FWD, and no court judgment on validity, and the patent's presumption of validity is intact.

My confidence: high on the legal framework and the claim-element structure; moderate on the specific reference mappings, which are inferred from the petition's ground statement rather than from the reference texts. Before this analysis is relied upon, the Hardin/Monroe/Remijn disclosures and the verbatim claims 1–13 must be pulled and pin-cited.

This is a technical prior-art analysis, not legal advice or a freedom-to-operate/validity opinion.