The catalog
Patent invalidity dossiers.
7,247 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.
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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 run the requested searches for this specific number, then summarize. Search results — and an important caveat No USPTO grant record, assignment record, or CAFC 2026 docket entry exists for U.S. Patent No. 289,518 as a live matter…
View full analysis →added 9/30/2026I'll run searches for litigation/docket information on this specific patent number before summarizing. Let me check for any recent (2026) litigation activity and the full claim set. Summary: US Patent 4,593,186 Verification note on the…
View full analysis →added 9/29/2026I'll search for the specific patent number and its litigation history. Let me run more targeted searches on litigation history and current dockets. Let me pull the full claim set and confirm the reexamination/expiration status. US…
View full analysis →added 9/27/2026Patent Overview — US4973679A Title (as listed): "Process for oligonucleo[t]ide synthesis using phosphormidite intermediates" Patent number / application: US4973679A; application US06/909,070 (specified as US90907086A). Assignee: University…
View full analysis →added 9/30/2026I'll search for authoritative information on this specific patent number. Let me check for litigation and CAFC history, and verify the claim set. US 5,132,418 A — Verified Summary I ran targeted searches against public patent and…
View full analysis →added 9/30/2026I'll search for the specific patent and any related litigation. Let me dig deeper on the claims, family, and any litigation. Verification of the Identifier US 5,153,319 resolves to a single, unambiguous record. I did not find any evidence…
View full analysis →added 9/30/2026Patent Overview — US5447432A Title: Custom orthodontic archwire forming method and apparatus Patent number / application: US5447432A (application US07/973,947) Inventors: Craig A. Andreiko; Mark A. Payne Assignee: Ormco Corp (original…
View full analysis →added 9/29/2026I'll search for authoritative information on this specific patent number, then cross-check against the full text provided. Let me check the complete claim set and any 2026 CAFC activity. US 5,744,305 A — Verification Summary Important…
View full analysis →added 9/8/2026I'll verify the patent details against live sources before summarizing. US Patent 5,751,356 — Analyst Summary Verification note: I searched for this exact number (no fuzzy matching, no auto-correction). Live results consistently return the…
View full analysis →added 9/26/2026I'll search for this patent's litigation and docket status, then summarize. Let me check for any specific litigation or CAFC docket activity tied to this patent number. US 5,828,601 — "Programmed Reference" Bibliographic data (from the…
View full analysis →added 9/26/2026I'll search for authoritative information on this specific patent number. Let me verify the litigation history and check for any 2026 docket activity. US Patent 6,042,422 — Analyst Summary Search scope note: I searched for the literal…
View full analysis →added 9/24/2026I'll search for authoritative information on this patent number, including any CAFC 2026 docket activity. The initial searches returned mostly unrelated results (the "'180 patent" hits refer to a different patent in Enzo v. Hologic, and…
View full analysis →added 9/24/2026I'll search for authoritative information on this patent number, including any 2026 litigation activity. Let me verify any recent PTAB/CAFC activity specific to this patent number. US 6,100,557 — "Triple Well Charge Pump" Search scope and…
View full analysis →added 9/24/2026I'll verify current litigation/docket status for this specific patent number before summarizing. Let me run a couple more targeted checks on current docket activity and the specific number. US Patent 6,118,486 — Verified Summary Bottom…
View full analysis →added 9/28/2026I'll search for this specific patent number across the requested sources. Summary of US Patent 6,166,405 (US6166405A) Search status: I searched for this exact number. Results were found for US6166405A itself (Google Patents…
View full analysis →added 9/16/2026US patent 6182128, titled "Real-time music distribution systems," was filed on March 5, 1998, and issued on January 30, 2001. [cite: The full patent text] The current assignee is Touchmusic Entertainment LLC, which was also the original…
View full analysis →added 5/13/2026I'll search for authoritative records on this patent number, including any 2026 CAFC docket activity. Let me refine with targeted searches on the litigation and any 2026 appellate activity. Search summary — US 6,412,917 (patent number…
View full analysis →added 10/1/2026I'll verify the patent details and check for any CAFC litigation activity before summarizing. Let me check the litigation history and any current CAFC docket activity. US Patent 6,417,801 B1 — Analyst Summary Verification note: I can't…
View full analysis →added 9/29/2026I'll search for authoritative information on US 6,418,324 and any 2026 CAFC activity. Let me check for any 2026 litigation activity specifically involving this patent. Let me retrieve the actual claim text and abstract for accuracy. Scope…
View full analysis →added 9/27/2026I'll verify the patent details and check for any litigation/docket activity before summarizing. Verification notes first I searched for the exact identifier 6445695 / US6445695B1 and deliberately excluded look-alike numbers. Two caveats on…
View full analysis →added 9/28/2026