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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- US108522140 cases6/8 sections
I'll search for this specific patent number and check for any litigation activity. Let me check specifically for any USPTO proceedings or litigation involving this patent. US Patent 10,852,214 — Summary Important scope note: I searched for…
View full analysis →added 9/24/2026 - US108568150 cases6/8 sections
US 10,856,815 B2 — Verification Summary Search caveat up front: I found no Court of Appeals for the Federal Circuit (or district court) 2026 docket, appeal, or other litigation involving U.S. Patent No. 10,856,815. Searches for the number…
View full analysis →added 9/28/2026 - US108584590 cases6/8 sections
I'll search for authoritative records on this patent number, including USPTO/CAFC docket activity. US 10,858,459 B2 — Analyst Summary Search scope note: I searched for USPTO/Google Patents records for the exact number 10858459 and…
View full analysis →added 9/11/2026 - US108639500 cases6/8 sections
Here is a concise summary of US patent 10863950: US Patent 10863950 Title: Methods and systems for retrospective internal gating Assignee: Memorial Sloan Kettering Cancer Center Inventor: Adam L. Kesner Filing Date: April 25, 2019 Issue…
View full analysis →added 6/2/2026 - US108660990 cases6/8 sections
I'll search for authoritative information on this patent, including any 2026 CAFC docket activity. Let me run additional targeted searches for any 2026 litigation or Federal Circuit docket activity. Summary of US Patent 10,866,099 Sources…
View full analysis →added 9/24/2026 - US108661000 cases6/8 sections
I'll search for authoritative records on US 10866100, including any CAFC/litigation activity. Let me check for litigation/docket activity and the full independent claim set. Let me do one more targeted check for any 2026 appellate activity…
View full analysis →added 9/24/2026 - US108661010 cases6/8 sections
I'll verify the patent's bibliographic data and check for any litigation or assignment activity against live sources, then summarize. Let me check for any litigation involving this patent or its assignee, and confirm the current assignee…
View full analysis →added 9/24/2026 - US108691570 cases6/8 sections
I'll search for the specific patent number and any litigation references. Let me search for litigation and the patent family/assignee details. Let me check for litigation, PTAB, and the continuation patents that might be in dispute. Search…
View full analysis →added 10/1/2026 - US108694280 cases6/8 sections
Here's a concise summary of US patent 10869428: US Patent Number: 10869428 Title: Baling apparatus and method Assignee: Twin Pak LLC (as of 2025-06-26) Originally assigned to the individual inventor. Inventors: Michael Jason Grady Filing…
View full analysis →added 8/4/2026 - US108713290 cases6/8 sections
I'll search for authoritative information on this patent. Let me run additional targeted searches for litigation and any Federal Circuit activity. One more check for any post-grant proceedings or district court cases. US 10,871,329 B2 —…
View full analysis →added 9/24/2026 - US108769350 cases6/8 sections
I'll search for authoritative information on this patent number, including any litigation or CAFC docket activity. US Patent 10,876,935 — Search Results and Summary Search scope and a caveat on docketing I searched for this patent number…
View full analysis →added 9/24/2026 - US108769370 cases6/8 sections
I'll run targeted searches for this exact patent number and any related litigation/docket activity. Let me check for any litigation or Federal Circuit activity involving this patent. US 10,876,937 B2 — Summary Search scope caveat (stated…
View full analysis →added 9/24/2026 - US108838360 cases6/8 sections
I'll search for authoritative information on this specific patent number. Let me search for litigation/docket information and the claim text specifically. Let me try to retrieve the actual claim text and check for any 2026 Federal Circuit…
View full analysis →added 9/24/2026 - US108905390 cases6/8 sections
I'll verify the patent details against live sources, including checking for any litigation activity. Let me run additional targeted searches to confirm the patent's identity and check for litigation. US 10,890,539 B1 — Verification Summary…
View full analysis →added 9/24/2026 - US108905420 cases6/8 sections
I'll verify the patent's bibliographic data and look for any litigation/docket activity. Let me try to pull the granted claim set and confirm whether there is any litigation activity. US Patent 10,890,542 B2 — Analyst Summary Bottom line…
View full analysis →added 9/24/2026 - US108905430 cases6/8 sections
I'll run several targeted searches for this specific patent number. Let me check for any litigation or appeal activity involving this patent. Search scope and sourcing note I ran targeted searches for the exact string US 10,890,543 /…
View full analysis →added 9/24/2026 - US108965890 cases6/8 sections
I'll search for authoritative information on this patent, including USPTO records and any 2026 CAFC docket activity. Let me search for the actual claim text and any Federal Circuit 2026 docket activity specific to this patent. Let me try…
View full analysis →added 9/24/2026 - US109007700 cases6/8 sections
I'll search for authoritative records on this patent, including any litigation or CAFC references. Let me search for the granted claim set and any litigation involving this patent. Let me try to retrieve the granted claim set directly…
View full analysis →added 9/24/2026 - US109007730 cases6/8 sections
I'll search for this specific patent number and check for any CAFC docket activity. Initial searches returned noise. Let me run more targeted queries. Let me try to pull the actual claim text and check for any litigation/PTAB activity tied…
View full analysis →added 9/24/2026 - US109079980 cases6/8 sections
I'll verify against live sources for the patent number and any 2026 docket activity. Verification note I ran live searches for the literal identifier 10907998 against Google Patents, Justia, the USPTO-hosted full-text PDF, and general…
View full analysis →added 9/24/2026