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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- US105394900 cases6/8 sections
I'll run targeted searches for this specific patent number. US Patent 10,539,490 B2 — Analyst Summary Scope of search performed: I searched for the literal string "10539490" / "US10539490" / "10,539,490" together with litigation, PTAB, and…
View full analysis →added 9/24/2026 - US105414410 cases6/8 sections
I have analyzed US patent 10541441 and conducted a search of the USPTO database and CAFC 2026 dockets for the specified patent number. The patent details are derived directly from the provided authoritative patent text, which aligns with…
View full analysis →added 7/29/2026 - US105450850 cases6/8 sections
I'll verify against live sources before summarizing. Verification note I checked live sources (Google Patents, PubChem patent record, Unified Patents portal, Justia/FPO family pages) and searched for litigation/docket activity. Findings…
View full analysis →added 9/24/2026 - US105512140 cases6/8 sections
I'll search for this specific patent and any related litigation or CAFC activity. Let me check specifically for litigation or court dockets involving this patent. US Patent 10,551,214 — Analyst Summary Source of record: Google Patents full…
View full analysis →added 9/24/2026 - US105512150 cases6/8 sections
I'll search for authoritative information on this patent number, including any CAFC/litigation activity. Let me check for any litigation or CAFC activity involving this specific patent, and confirm the claim set. Let me retrieve the full…
View full analysis →added 9/24/2026 - US105512180 cases6/8 sections
I'll search for authoritative information on US patent 10551218, including any CAFC 2026 docket activity. Let me check for CAFC litigation and confirm the claim set. Let me verify the claim set and check for any Federal Circuit 2026 docket…
View full analysis →added 9/24/2026 - US105547630 cases6/8 sections
Let me search more specifically for any CAFC appeal or litigation involving this patent. Based on the authoritative patent text provided (Google Patents record for US10554763, fetched 2026-09-03) and corroborating web-search results, here…
View full analysis →added 9/3/2026 - US105578700 cases6/8 sections
I'll search for this specific patent number across USPTO and litigation sources. Let me verify against primary sources and check for any 2026 litigation activity. Let me do a final check for PTAB/Court of Appeals proceedings specifically…
View full analysis →added 9/24/2026 - US105578720 cases6/8 sections
I'll run the requested searches, then summarize from the authoritative patent text provided. Search results on the identifiers you asked for No authoritative USPTO or CAFC records for 10557872 (or 10,557,872) were returned by the searches…
View full analysis →added 9/24/2026 - US105640030 cases6/8 sections
I'll search for the specific patent number and check for any litigation in the CAFC 2026 dockets. Let me run a few more targeted searches to check for litigation and USPTO records. US Patent 10,564,003 — Summary Caveat up front: I found no…
View full analysis →added 9/24/2026 - US105640050 cases6/8 sections
I'll search for this specific patent number across the requested sources. Let me run a couple more targeted searches to confirm litigation/docket status. US 10,564,005 B2 — "Position determining sensor unit" Sources searched: Google…
View full analysis →added 9/24/2026 - US105747160 cases6/8 sections
US Patent 10,574,716: Video Distribution System Including Progressive Playback Title: Video distribution system including progressive playback [cite: US10574716B2] Assignee: Divx LLC [cite: US10574716B2] Inventor(s): Roland Osborne [cite…
View full analysis →added 7/24/2026 - US105767160 cases6/8 sections
Here is a concise summary of US patent 10576716: Patent Number: US10576716B2 Title: Protective element and method for manufacturing display device Current Assignee: Magnolia White Corp (as of July 22, 2025) Original Assignee: Japan Display…
View full analysis →added 7/21/2026 - US105784350 cases6/8 sections
I'll search for authoritative information on US 10578435, including any 2026 CAFC docket activity. Let me check for any CAFC or district court litigation involving this patent, and confirm the USPTO record. Let me do one more targeted…
View full analysis →added 9/24/2026 - US105784370 cases6/8 sections
I'll verify against live sources for litigation/docket activity, then summarize. Let me check for the actual claim text and any PTAB activity. Let me try to retrieve the issued claims directly. US 10,578,437 B2 — Verification Summary Scope…
View full analysis →added 9/24/2026 - US105784380 cases6/8 sections
I'll research this patent. Let me query for its details and any 2026 litigation activity. Let me check for any litigation or CAFC activity specifically involving this patent. US 10,578,438 B2 — Patent Summary Source note: The summary below…
View full analysis →added 9/24/2026 - US105850970 cases6/8 sections
I'll search for the specific patent number and check current docket/legal status sources. Let me verify the claims and check for any CAFC/litigation status. Let me check the specific claims text and any litigation/PTAB records for this…
View full analysis →added 9/24/2026 - US105851010 cases6/8 sections
I'll search for authoritative information on this patent number and any 2026 litigation activity. Let me verify the full claim set and check for any litigation activity. Let me retrieve the full claim set and check specifically for any…
View full analysis →added 9/24/2026 - US105912840 cases6/8 sections
I'll search for this specific patent number across patent databases and litigation dockets. Let me check for litigation/docket activity and get the full claim set. Let me pull the full claim set and check for any litigation. US 10,591,284…
View full analysis →added 9/24/2026 - US105933300 cases6/8 sections
Here's a concise summary of US patent 10593330: Title: Hotword detection on multiple devices Assignee: Google LLC Inventors: Matthew Sharifi Filing Date: October 26, 2018 Issue Date: March 17, 2020 Abstract: Methods, systems, and…
View full analysis →added 6/10/2026