The catalog
Patent invalidity dossiers.
7,246 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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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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I'll research US 5,722,067 across patent databases and the litigation dockets as requested. Let me check specifically for any Federal Circuit (CAFC) proceedings and the current legal status. Search scope and confidence statement I searched…
View full analysis →added 9/29/2026I'll verify against live sources, particularly for any 2026 CAFC docket activity, before summarizing. Let me search more specifically for any 2026 appellate activity. One more targeted check for any recent (2026) proceedings. Search scope…
View full analysis →added 9/24/2026I'll search for the current status of this patent and any related appellate dockets. US Patent 6,329,794 B1 — Analyst Summary Sources consulted: Google Patents (https://patents.google.com/patent/US6329794/en), Justia Patents, PTAB/PTACTS…
View full analysis →added 9/28/2026I'll search for authoritative information on this patent, including any 2026 CAFC activity. Let me run additional targeted searches for 2026 CAFC docket activity and the patent's litigation/ownership history. Let me verify the claim set…
View full analysis →added 9/28/2026I'll search for authoritative information on US patent 6523061, including any 2026 CAFC activity. Let me check specifically for 2026 CAFC docket activity and the PTAB outcome for this patent. US Patent 6,523,061 B1 — Verification Summary…
View full analysis →added 9/24/2026I'll verify the patent details against live sources before summarizing. Let me make one more targeted check for any 2026 appellate activity. US Patent 6,526,411 — Verification Summary Note on the identifier: I interpreted the number…
View full analysis →added 9/28/2026I'll search for authoritative information on this specific patent number, including any 2026 litigation activity. I have substantial data. Let me run a couple of final targeted checks for any 2026 CAFC or USPTO activity specific to this…
View full analysis →added 9/27/2026I'll search for authoritative information on this patent, including any 2026 CAFC activity. Let me verify the independent claim text and check for any Federal Circuit 2026 activity. Let me do one final targeted check for any appellate or…
View full analysis →added 10/1/2026I'll search for current information on this patent, then summarize. US Patent 6,816,491 B1 — Summary Ground truth note: I verified this against the authoritative full text you provided (Google Patents, fetched 2026-09-28) and corroborating…
View full analysis →added 9/28/2026I'll search for the specific patent number and check for any CAFC 2026 activity. Let me run additional targeted searches for the patent and any 2026 appellate activity. Let me check for any 2026 appellate or district court activity…
View full analysis →added 9/13/2026I'll verify the patent details and check for any current litigation/docket activity before summarizing. Let me check the litigation history and any appellate activity more specifically. US Patent 6,928,300 — Summary Important note on my…
View full analysis →added 9/30/2026US Patent 6,938,177 (US6938177B1) — Summary Bibliographic data (verified against Google Patents, Justia, and CAFC records) | Field | Value | |---|---| | Title | Multi-chip module smart controller | | Patent / Publication No. | US6938177B1…
View full analysis →added 9/1/2026I'll search for the specific patent and any related CAFC docket information. Let me run a couple more targeted searches to confirm the litigation/docket status. Search results for US Patent 6950645 Search caveat up front: The…
View full analysis →added 9/30/2026I'll search for current information on US 6957369, including any CAFC 2026 docket activity. Let me search specifically for the federal court litigation and any CAFC 2026 activity. Let me look for the specific CAFC appeal numbers associated…
View full analysis →added 9/28/2026I'll search for the specific patent and related litigation information. Let me check specifically for the CAFC 2026 docket activity and any litigation involving this exact patent. Let me confirm the exact independent claim language. US…
View full analysis →added 9/26/2026I'll verify against live sources, then summarize from the authoritative patent text provided. Let me check the claim set for this patent, since the page excerpt provided to me omitted verbatim claims. US 7,012,503 B2 — Summary Note on the…
View full analysis →added 9/24/2026I'll search for authoritative information on this patent, including any 2026 CAFC activity. Let me run more targeted searches to check for 2026 appellate activity and verify the reexamination outcome. US 7,076,275 B1 — Summary Important…
View full analysis →added 9/30/2026I'll search for authoritative information on this specific patent number, including any 2026 litigation activity. Let me look for the specific claim text and any 2026 appellate docket activity. Let me check the actual claim language and…
View full analysis →added 10/1/2026US patent 7364736, titled "Antibodies to OPGL," was assigned to Amgen Inc.. The inventors are William J. Boyle, Francis H. Martin, Jose R. Corvalan, and C. Geoffrey Davis. The patent was filed on June 25, 2002, and issued on April 29…
View full analysis →added 5/10/2026I'll search for the specific patent number and any related 2026 CAFC docket activity. Let me check the Federal Circuit and litigation/PTAB records for this patent. Let me look specifically for the Federal Circuit docket and any 2026…
View full analysis →added 9/28/2026