The catalog
Patent invalidity dossiers.
7,244 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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- US96872960 cases6/8 sections
I'll research this patent across the sources you specified. Let me pull the claims/abstract and check the litigation dockets specifically for this patent number. US Patent 9,687,296 — Summary Important framing note: I searched for the…
View full analysis →added 9/29/2026 - US96898490 cases6/8 sections
I'll search for the specific patent number and check for any litigation activity. Let me run a couple more targeted checks for litigation and docket activity. US Patent 9,689,849 — Summary Search scope note: I ran targeted queries against…
View full analysis →added 9/24/2026 - US96932930 cases6/8 sections
I'll search for authoritative information on this specific patent number. Now let me check for any CAFC/litigation activity and confirm the independent claim set. Let me attempt to retrieve the verbatim independent claim text. US Patent…
View full analysis →added 9/24/2026 - US96933330 cases6/8 sections
Here's a concise summary of US Patent 9693333: Title: System and method for location boosting using proximity information Assignee: Bison Patent Licensing LLC (Current Assignee), Commscope Technologies LLC (Original Assignee) Inventors…
View full analysis →added 8/7/2026 - US97094030 cases6/8 sections
I'll search for this specific patent number and check for any litigation. Let me verify the litigation status and check for any 2026 CAFC activity specifically. US Patent 9,709,403 — Summary Note on identification: I searched specifically…
View full analysis →added 9/24/2026 - US97094040 cases6/8 sections
I'll search for authoritative information on US 9709404, including any 2026 CAFC docket activity. Let me confirm whether any litigation, PTAB, or CAFC activity names this specific patent. US Patent 9,709,404 B2 — Analyst Summary Important…
View full analysis →added 9/24/2026 - US97119170 cases6/8 sections
I'll verify the patent details against authoritative sources before summarizing. Let me check for any CAFC 2026 litigation activity involving this patent. Let me verify whether US 9,711,917 is among the patents in the Federal Circuit case…
View full analysis →added 9/29/2026 - US97153340 cases6/8 sections
I'll run a couple of targeted searches, then synthesize with the authoritative patent text provided. US Patent 9,715,334 B2 — Analyst Summary Verified against the authoritative Google Patents full text and cross-checked with…
View full analysis →added 9/29/2026 - US97223630 cases6/8 sections
I'll search for authoritative information on US 9,722,363, including any 2026 CAFC activity. Let me run more targeted searches for litigation/PTAB activity and the current assignee record. Let me look for the claim text and check whether…
View full analysis →added 9/29/2026 - US97255020 cases6/8 sections
I'll research this patent across the sources you specified. Let me run several targeted searches. Let me check specifically for any court proceedings involving this patent, since those searches were inconclusive. US Patent 9,725,502 —…
View full analysis →added 9/11/2026 - US97266190 cases6/8 sections
I'll search for authoritative information on this specific patent number, including any litigation/docket records. The second search returned an unrelated document. Let me search more specifically for litigation and docket records. Let me…
View full analysis →added 9/24/2026 - US97331560 cases6/8 sections
I'll search for the specific patent and related docket information. Let me get the full claim set and check for any litigation/docket activity. US Patent 9,733,156 B2 — Analyst Summary Searched: USPTO/Google Patents record for US 9,733,156…
View full analysis →added 9/24/2026 - US97334110 cases6/8 sections
I'll search for records on US patent 9733411 in USPTO and litigation sources. Let me verify the litigation status and the PTAB reference to a "973 Patent." Let me run a couple more targeted checks on litigation and the PTAB "973"…
View full analysis →added 9/26/2026 - US97368390 cases6/8 sections
Patent Overview — US9736839B2 Title: Integrated circuit for sequence reporting and sequence generation Source: https://patents.google.com/patent/US9736839/en Patent number: US9736839B2 | Application: US15/295,230 (US201615295230A)…
View full analysis →added 9/26/2026 - US97437050 cases6/8 sections
I'll search for authoritative information on US 9743705, including any 2026 CAFC docket activity. Let me dig into the litigation record and any Federal Circuit activity tied to this patent. Let me verify which patents were at issue in the…
View full analysis →added 9/30/2026 - US97440980 cases6/8 sections
US Patent 9,744,098, titled "Dynamic sauna," was issued to Sunlighten LLC. Here's a summary of the patent: Title: Dynamic sauna Assignee: Sunlighten LLC Inventors: James T. O'Keeffe, Aaron Michael Zack, Martin C. Ku, Ian Richard Kuklenski…
View full analysis →added 7/11/2026 - US97529330 cases6/8 sections
I'll search for authoritative information on this patent, including any CAFC 2026 litigation. Let me run more targeted searches for litigation and USPTO records. Let me check for any PTAB or district court proceedings involving this…
View full analysis →added 9/24/2026 - US97601860 cases6/8 sections
I'll search for this specific patent number across USPTO and CAFC sources. Let me dig deeper on the claims and any 2026 CAFC litigation. Let me retrieve the actual claim text for US 9,760,186 specifically (avoiding confusion with the…
View full analysis →added 9/26/2026 - US97661560 cases6/8 sections
I have the authoritative full text of the patent. Let me cross-check for any litigation, assignment, or CAFC docket activity before summarizing. Let me run a couple more targeted checks for litigation/PTAB/CAFC activity specific to this…
View full analysis →added 9/24/2026 - US97722250 cases6/8 sections
I'll search for authoritative information on this patent number, including any CAFC 2026 activity. Let me check specifically for litigation, PTAB, or Federal Circuit activity involving this patent. Let me do a final check for any court…
View full analysis →added 9/22/2026