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
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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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- US114024010 cases6/8 sections
I'll search for the patent and check for any CAFC litigation involving it. Let me check specifically for any litigation or CAFC activity, and pull the full claim set. US 11,402,401 B2 — Analyst Summary Searches run: Google Patents / Justia…
View full analysis →added 9/24/2026 - US114024020 cases6/8 sections
I'll search for this specific patent number and check for any litigation or CAFC activity. Let me check specifically for litigation and CAFC activity, plus verify the USPTO record. Let me run a couple more targeted checks on any…
View full analysis →added 9/24/2026 - US114024040 cases6/8 sections
I'll search for this specific patent number, including any litigation activity, before summarizing. The initial searches returned irrelevant noise. Let me run more targeted queries. Let me check for any litigation or CAFC activity, and…
View full analysis →added 9/24/2026 - US114024060 cases6/8 sections
I'll search for litigation/docket activity and confirm the patent's bibliographic data. US Patent 11,402,406 B2 — Summary Source (authoritative full text): https://patents.google.com/patent/US11402406/en (fetched 2026-09-24) --- 1…
View full analysis →added 9/24/2026 - US114024070 cases6/8 sections
I'll search for litigation/docket activity and confirm the patent's bibliographic data before summarizing. Search performed I checked public sources for US 11,402,407 and for any CAFC 2026 docket naming it. Results are reported below, with…
View full analysis →added 9/24/2026 - US114024100 cases6/8 sections
I'll search for authoritative information on US 11402410, including any CAFC 2026 docket activity. Let me search specifically for litigation/docket activity.
View full analysis →added 9/24/2026 - US114024130 cases6/8 sections
I'll search for this specific patent and any related litigation. US 11,402,413 B1 — "Droop detection and mitigation" Bibliographic data (from the authoritative full text) | Field | Value | |---|---| | Patent number | US 11,402,413 B1…
View full analysis →added 9/24/2026 - US114024140 cases6/8 sections
I'll verify against live sources for any litigation or CAFC activity, then summarize. USPTO / CAFC docket check first I ran targeted searches for litigation, PTAB, and CAFC activity tied specifically to 11402414 / US 11,402,414. No CAFC…
View full analysis →added 9/24/2026 - US114024150 cases6/8 sections
I'll search for this specific patent and any related litigation. The CAFC search returned no results. Let me check for any litigation or court dockets involving this patent or its owner. US 11,402,415 B2 — Verified Summary Search note on…
View full analysis →added 9/24/2026 - US114024170 cases6/8 sections
I'll search for authoritative information on US 11402417, including any CAFC/litigation activity, before summarizing. Let me run a few more targeted searches to check for litigation/docket activity and to confirm claim structure. Let me…
View full analysis →added 9/24/2026 - US114024190 cases6/8 sections
I'll search for authoritative information on this specific patent number, including any 2026 litigation activity. US 11,402,419 B2 — Analyst Summary Important scoping note: You asked me to search USPTO and CAFC 2026 dockets for this…
View full analysis →added 9/24/2026 - US114024210 cases6/8 sections
I'll research this patent number directly. Let me try to retrieve the actual claim text. Let me try to retrieve the claim language directly. US 11,402,421 B2 — "Detecting Wireless Signal Leakage" Source note: The bibliographic data below…
View full analysis →added 9/24/2026 - US114024230 cases6/8 sections
I'll search for authoritative information on US patent 11402423, including any 2026 CAFC docket activity. The generic searches returned only unrelated matches for the number string. Let me run more targeted queries. Let me run a couple…
View full analysis →added 9/24/2026 - US114024240 cases6/8 sections
I'll search for this specific patent number and check for any litigation or CAFC docket activity. Let me check for any litigation or PTAB proceedings involving this patent. Search results for US 11,402,424 (no look‑alike numbers returned)…
View full analysis →added 9/24/2026 - US114024250 cases6/8 sections
I'll verify the details with searches, including any 2026 CAFC docket activity. US 11,402,425 B2 — Verified Summary Scope note on the docket search: I searched for the specific number "11402425" / "11,402,425" together with CAFC/2026…
View full analysis →added 9/24/2026 - US114024260 cases6/8 sections
I'll search for the specific patent number and any related litigation/docket records. Let me check for any Federal Circuit or litigation activity, and verify the patent's status. US Patent 11,402,426 — Summary Scope-of-search caveat first…
View full analysis →added 9/24/2026 - US114024270 cases6/8 sections
I'll search for authoritative information on this specific patent number, including any litigation activity. US Patent 11,402,427 — Analyst Summary Verification note: I searched for this exact number and found no litigation, PTAB…
View full analysis →added 9/24/2026 - US114024340 cases6/8 sections
I'll search for litigation and docket information on this specific patent number, then compile the summary. Let me check specifically for any litigation or PTAB activity involving this patent. Summary: US Patent No. 11,402,434 B2 Important…
View full analysis →added 9/24/2026 - US114024360 cases6/8 sections
I'll search for authoritative information on this patent, including any litigation or CAFC docket activity. Let me verify whether there's any litigation or CAFC activity, and try to retrieve the actual claim text. Let me try to retrieve…
View full analysis →added 9/24/2026 - US114024380 cases6/8 sections
I'll search for authoritative information on US 11,402,438, including any 2026 CAFC docket activity. Let me do targeted searches for any litigation or CAFC activity involving this patent number or its owners. US Patent 11,402,438 — Summary…
View full analysis →added 9/24/2026