The catalog
Patent invalidity dossiers.
7,175 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
- US69810650 cases6/8 sections
I'll search for this patent number to check for any litigation or additional records, then provide the summary based on the authoritative patent text. US Patent 6,981,065 — Verified Summary A note on the search: I searched for this exact…
View full analysis →added 9/27/2026 - US69998700 cases6/8 sections
I'll search for the specific patent number and check for any 2026 CAFC docket activity. Now let me check for any Court of Appeals for the Federal Circuit (CAFC) docket activity in 2026 involving this patent. US Patent 6,999,870 — Analyst…
View full analysis →added 9/27/2026 - US70000000 cases6/8 sections
I'll verify the patent details against live sources before summarizing. US Patent 7,000,000 — Summary Verification note: I searched for this number in live sources (Google Patents, EPO publication server, C&EN, Textile World, PubChem for…
View full analysis →added 9/18/2026 - US70034020 cases6/8 sections
I'll search for authoritative information on US patent 7003402, including any litigation or CAFC activity. Let me run additional targeted searches for litigation, PTAB, and assignment records for this specific patent. US Patent 7,003,402 —…
View full analysis →added 9/24/2026 - US70040160 cases6/8 sections
I'll search for authoritative information on US patent 7004016, including checking USPTO records and any CAFC 2026 docket activity. I have solid bibliographic data. Let me retrieve the actual independent claim text to summarize accurately…
View full analysis →added 9/26/2026 - US70131270 cases6/8 sections
I'll verify the patent record and check for any appellate activity before summarizing. US Patent 7,013,127 — Verification & Summary Search note: I ran targeted queries against indexed patent records (Google Patents, Sumobrain…
View full analysis →added 9/21/2026 - US70134780 cases6/8 sections
I'll search for authoritative information on US 7013478. Let me get the claim text and check for any 2026 litigation. US 7,013,478 — Verification and Summary Important caveat up front: I was able to confirm the bibliographic record and…
View full analysis →added 10/1/2026 - US70281020 cases6/8 sections
I'll search for authoritative information on US patent 7028102, including any 2026 CAFC activity. Let me search specifically for litigation and any 2026 CAFC docket activity involving this patent. Let me do a couple of targeted checks for…
View full analysis →added 9/27/2026 - US70300040 cases6/8 sections
I'll search for authoritative information on US 7,030,004, including any 2026 litigation or CAFC activity. Let me check for any litigation or CAFC 2026 docket activity involving this specific patent. US 7,030,004 B2 — Summary Important…
View full analysis →added 9/24/2026 - US70312540 cases6/8 sections
I'll verify against live sources before summarizing. US 7,031,254 — Verification note I searched for the exact number 7031254 and for CAFC 2026 activity tied to it. Findings: - Patent document confirmed at Google Patents…
View full analysis →added 9/30/2026 - US70325140 cases6/8 sections
I'll search for the specific patent number and check litigation dockets. Let me look for the abstract, claim text, and any litigation references. Let me check the NJ litigation docket and look for the abstract text. 1. Search scope and…
View full analysis →added 9/24/2026 - US70359180 cases6/8 sections
I'll search for authoritative information on US patent 7035918, including USPTO records and any CAFC 2026 docket activity. Let me search specifically for CAFC 2026 docket activity involving this patent. Let me do a couple more targeted…
View full analysis →added 10/1/2026 - US7037060 cases6/8 sections
US 703,706 — Search Results and Patent Summary 1. Search scope and what I actually found I ran targeted searches against Google Patents (which mirrors USPTO full-text/OCR data), general web, and patent-litigation/CourtListener-indexed…
View full analysis →added 9/21/2026 - US70377060 cases6/8 sections
I'll search for authoritative information on this specific patent number. Let me look for the claim text and any CAFC/litigation records. Let me try to retrieve the actual independent claim text and check for any litigation involving this…
View full analysis →added 9/27/2026 - US70411060 cases6/8 sections
I'll search for authoritative records on this patent number. Let me check specifically for litigation or CAFC docket activity involving this patent number. US 7,041,106 — verified against the authoritative full text I searched for this…
View full analysis →added 10/1/2026 - US70428390 cases6/8 sections
I'll search for authoritative information on this specific patent number, including any litigation activity. Let me check for litigation activity and any CAFC docket references. US Patent 7,042,839 — Analyst Summary Search scope and…
View full analysis →added 10/1/2026 - US70428980 cases6/8 sections
I'll search for authoritative information on US Patent 7,042,898, including any 2026 CAFC activity. Let me search specifically for 2026 litigation/docket activity and current ownership. Let me do one more targeted check for any 2026…
View full analysis →added 9/24/2026 - US70458410 cases6/8 sections
I'll search for authoritative information on US patent 7,045,841. Let me search more specifically for litigation/docket records and the patent's assignee history. Let me check for litigation, PTAB, or Federal Circuit activity involving…
View full analysis →added 9/24/2026 - US70474160 cases6/8 sections
I'll search for authoritative information on US patent 7,047,416 and any 2026 CAFC activity. Let me get the claim text and check for litigation/CAFC activity. Search scope and confidence note I ran targeted queries against Google Patents…
View full analysis →added 9/29/2026 - US70475610 cases6/8 sections
I'll search for authoritative information on US 7,047,561, including any 2026 CAFC activity. Let me look specifically at the litigation history and any 2026 appellate activity. Let me check the 2018 appeal and confirm whether there is any…
View full analysis →added 9/28/2026