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
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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.
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- US92679230 cases6/8 sections
I'll search for US patent 9267923 and any related CAFC 2026 litigation dockets. Let me run a couple more targeted searches to check for any litigation record and confirm the assignee/inventor details. US Patent 9,267,923 — Summary…
View full analysis →added 9/24/2026 - US92679240 cases6/8 sections
I'll search for authoritative information on this patent number. Let me check for any litigation or CAFC proceedings involving this patent or its owner. US Patent 9,267,924 — Verification Summary Sourcing note: I was able to confirm this…
View full analysis →added 9/24/2026 - US92694370 cases6/8 sections
I'll search for current information on this patent, including any 2026 litigation activity. Let me do additional targeted searches specifically on this patent number and its litigation history. US 9,269,437 B2 — Summary Bibliographic data…
View full analysis →added 9/26/2026 - US92719750 cases6/8 sections
I'll verify against USPTO/CAFC sources before summarizing. USPTO / CAFC verification for patent number 9,271,975 (as of April 26, 2026) | Check | Result | |---|---| | USPTO record (via Google Patents mirror of USPTO bibliographic data) |…
View full analysis →added 9/17/2026 - US92800930 cases6/8 sections
I'll search for authoritative information on this patent number, including litigation/docket records. Let me check for any litigation records and USPTO/patent-center specifics. US 9,280,093 B2 — Summary Source of record: Full patent text…
View full analysis →added 9/24/2026 - US92889050 cases6/8 sections
I'll search for the specific patent number and any associated litigation. Let me check for litigation/docket activity specific to this patent. US Patent 9,288,905 — Analyst Summary Scope note on your request: I searched for US 9,288,905…
View full analysis →added 9/26/2026 - US92945270 cases6/8 sections
I'll verify against live sources, particularly for litigation/docket activity, since the full text is the authoritative record for the patent itself. Let me run two more targeted checks for the specific number before summarizing. US Patent…
View full analysis →added 9/24/2026 - US92997300 cases6/8 sections
US Patent 9299730, titled "Thin film transistor array substrate and organic light-emitting diode display," was issued to Samsung Display Co Ltd on March 29, 2016, from an application filed on March 13, 2013. The inventors are Won-Se Lee…
View full analysis →added 5/14/2026 - US93035780 cases6/8 sections
US 9,303,578 B2 — Analyst Summary Sourcing note: I ran live web searches rather than querying PACER/PTAB APIs directly. The results surfaced Google Patents' USPTO-derived record (https://patents.google.com/patent/US9303578/en), Justia's…
View full analysis →added 9/26/2026 - US93100300 cases6/8 sections
Here is a concise summary of US patent 9310030: US Patent 9310030: Non-uniform diffuser to scatter light into uniform emission pattern Title: Non-uniform diffuser to scatter light into uniform emission pattern Assignee (Current)…
View full analysis →added 8/6/2026 - US93126110 cases6/8 sections
I'll search for authoritative information on US patent 9312611, including any 2026 CAFC activity. Let me verify whether 9,312,611 was among the patents at issue in the 2026 CAFC appeal, rather than assuming. Let me pull the actual claim…
View full analysis →added 9/24/2026 - US93234000 cases6/8 sections
I'll search for authoritative information on this patent and any 2026 CAFC docket activity. US 9,323,400 B2 — Summary Sourcing note: The USPTO Patent Public Search / Patent Center and CAFC docket searches I ran did not return a 2026…
View full analysis →added 9/24/2026 - US93311480 cases6/8 sections
I'll verify the patent details against current sources before summarizing. Let me check specifically for any litigation or PTAB proceedings involving this patent. US Patent 9,331,148 — Verification Summary I checked the patent against the…
View full analysis →added 9/24/2026 - US93322620 cases6/8 sections
I'll search for the specific patent number 9332262 across USPTO and CAFC dockets. Let me run more targeted searches. US Patent 9,332,262 — Exact-Number Docket Search and Summary Search scope note (as instructed): I searched strictly for…
View full analysis →added 8/26/2026 - US93352720 cases6/8 sections
I'll search for authoritative information on this patent and any 2026 CAFC litigation involving it. Let me check specifically for any litigation or 2026 court activity involving this patent. US 9,335,272 B2 — Analyst Summary Bottom line on…
View full analysis →added 9/24/2026 - US93382740 cases6/8 sections
I have gathered the available information from the authoritative patent text you supplied, corroborated by Google Patents, Justia, FreePatentsOnline, and the EPO Global Patent Index. My targeted searches for a CAFC 2026 docket involving…
View full analysis →added 9/3/2026 - US93426910 cases6/8 sections
I'll search for this specific patent number and any related 2026 CAFC activity. Let me search more specifically for litigation and any 2026 Federal Circuit activity involving this patent. Search-scope note (read first) I searched for…
View full analysis →added 9/24/2026 - US93459480 cases6/8 sections
US Patent 9345948 (US9345948B2) is titled "System for providing a coach with live training data of an athlete as the athlete is training". Overview of US9345948: Title: System for providing a coach with live training data of an athlete as…
View full analysis →added 8/18/2026 - US93475540 cases6/8 sections
Here is a concise summary of US Patent 9347554: US Patent 9347554: Hydrostatic Drive System Title: Hydrostatic drive system Assignee: Caterpillar Inc. Inventors: Rustin G. Metzger, Carl Moberg, Corwin E. Storer, Paul A. Dvorak Filing Date…
View full analysis →added 5/27/2026 - US93540690 cases6/8 sections
I'll search for the patent and any related litigation. Let me verify the granted claims and check for any 2026 litigation/appeal activity. US 9,354,069 B2 — verification summary Search scope caveat up front: I ran live web searches over…
View full analysis →added 9/24/2026