The catalog
Patent invalidity dossiers.
7,163 patents in the database, sorted by number of on-file litigation cases. Of these, 2,988 have at least one tracked case across 6,606 litigations.
Demand letter analyzer
You got a patent demand letter. Now what?
Paste the letter — we extract the asserted patents, identify the asserter, characterize their litigation history, flag validity vulnerabilities, and draft a sample response letter your attorney can review. Free, private, ~2-3 minutes.
Analyze a patent
Drop a US patent number — we’ll verify it on Google Patents and generate the full invalidity dossier.
By industry
- US122716360 cases6/8 sections
Here is a concise summary of US Patent 12271636: US Patent 12271636 Summary Title: Analytics, algorithm architecture, and data processing system and method Assignee: Fermat International Inc. Inventors: Robert Bismuth, Mike Stengle Filing…
View full analysis →added 5/13/2026 - US122734120 cases6/8 sections
I'll run targeted searches to verify the identifier and check for any CAFC 2026 docket activity, then summarize. US 12,273,412 B2 — Analyst Summary Verified against: Google Patents full text (US12273412B2, fetched 2026‑09‑24), Justia…
View full analysis →added 9/24/2026 - US122983940 cases6/8 sections
Summary of US Patent 12298394B2 Bibliographic data (verified) | Field | Value | |---|---| | Patent number | US 12,298,394 B2 | | Title | Detector for identifying at least one material property | | Assignee | TrinamiX GmbH (Ludwigshafen am…
View full analysis →added 9/4/2026 - US123027690 cases6/8 sections
Summary of US Patent 12302769 Note on scope of search: Searches of Google Patents, PatentGuru, and Justia confirm the bibliographic record below. Separate searches for CAFC 2026 dockets or litigation referencing patent number 12302769 (or…
View full analysis →added 9/4/2026 - US123323520 cases6/8 sections
I'll search USPTO and CAFC sources for this specific patent number. Let me pull the granted claim text and confirm the CAFC/USPTO records. A significant new lead appeared — a trinamiX v. Apple suit. Let me pin down whether patent 12332352…
View full analysis →added 9/4/2026 - US123370570 cases6/8 sections
I'll run targeted searches for the specific number 12337057 against USPTO and CAFC 2026 sources before writing. Let me run a few more targeted checks on the CAFC/USPTO docket side and confirm the bibliographic record. Patent Summary — US…
View full analysis →added 9/22/2026 - US123408910 cases6/8 sections
US patent 12340891, titled "System and method for providing a trainer with live training data of an individual as the individual is performing a training workout," has the following details: Assignee: Finish Time Holdings LLC (Current…
View full analysis →added 8/18/2026 - US1234560 cases6/8 sections
Search Results USPTO / patent records: Confirmed via the USPTO patent-image PDF (patentimages.storage.googleapis.com/ef/d9/d1/7a3bf50026b9c7/US123456.pdf) and Google Patents (patents.google.com/patent/US123456A). Both are consistent with…
View full analysis →added 8/26/2026 - US12354460 cases6/8 sections
I'll run several targeted searches for the exact identifier before summarizing. Sourcing note The live searches did not return any authority-specific record for this number. A search for 1235446 combined with "Dastoli"/"trap door" returned…
View full analysis →added 9/24/2026 - US123617600 cases6/8 sections
Summary — U.S. Patent No. 12,361,760 (US12361760B2) I searched the USPTO databases and CAFC 2026 docket sources. I could not find any CAFC 2026 docket or appeal citing patent 12,361,760 — searches surfaced only the patent record itself and…
View full analysis →added 9/4/2026 - US123746860 cases6/8 sections
US Patent 12374686, titled "Electrochemical apparatus and electronic apparatus containing the electrochemical apparatus," was issued to Ningde Amperex Technology Ltd. The sole inventor listed is Xiaojing Liu. The patent has a filing date…
View full analysis →added 7/22/2026 - US123819390 cases6/8 sections
I'll research this patent, including checking for any litigation in CAFC 2026 dockets. Let me dig deeper into litigation and docket information specifically for this patent number. Let me do a couple more targeted checks for any 2026…
View full analysis →added 9/24/2026 - US123958990 cases6/8 sections
US Patent 12395899: Negotiation of Quality of Service (QoS) Information for Network Management Traffic in a Wireless Local Area Network (WLAN) Assignee: Malikie Innovations Ltd Inventors: Stephen McCann, Michael Peter Montemurro Filing…
View full analysis →added 7/23/2026 - US124062840 cases6/8 sections
I'll run targeted searches for this patent number across USPTO/Google Patents and the 2026 CAFC docket space, being careful to match the literal number 12406284. Let me try to reach the patent record itself and check the CAFC 2026 docket…
View full analysis →added 9/18/2026 - US124121640 cases6/8 sections
I'll search for authoritative information on US 12412164, including any litigation or CAFC docket activity. Let me check specifically for litigation and PTAB activity on this patent number. Let me verify the granted claims of the '164…
View full analysis →added 9/26/2026 - US124288780 cases6/8 sections
US Patent 12,428,878 — "Security device" Bibliographic data | Field | Value | |---|---| | Patent number | US12428878B1 | | Title | Security device | | Assignee | InVue Security Products Inc. (corporate parent per litigation filing: Assa…
View full analysis →added 8/31/2026 - US124563340 cases6/8 sections
I'll search for information on this specific patent and any CAFC docket activity. The CAFC docket search returned no results. Let me verify with a few more targeted searches on the USPTO record and any related litigation or appeals…
View full analysis →added 9/4/2026 - US124612380 cases6/8 sections
I'll search for information on US patent 12461238, being careful to interpret the identifier literally. I found the primary patent record. Let me also check for any USPTO/CAFC litigation or docket activity involving this specific patent…
View full analysis →added 9/4/2026 - US124658720 cases6/8 sections
Summary — U.S. Patent No. 12,465,872 (US12465872B2) Source: Google Patents record for US12465872B2 (fetched 2026-09-09); corroborated by patents-review.com listing of its pre-grant publication US20250288919A1. No conflicting or more…
View full analysis →added 9/9/2026 - US124789480 cases6/8 sections
Summary: US Patent 12,478,948 (US12478948B2) Verified sources: Google Patents record (fetched 2026-08-22), PatentGuru, and Calgon Carbon Corporation's Dec. 9, 2025 press release announcing issuance. No CAFC docket entries were found in…
View full analysis →added 8/22/2026