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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- US74480750 cases6/8 sections
I'll search for authoritative information on this specific patent number and check current litigation dockets. Let me refine the searches to target this specific patent and any litigation. Let me do one final targeted check for any…
View full analysis →added 9/29/2026 - US74500900 cases6/8 sections
I'll search for the patent and any 2026 CAFC docket activity. US Patent 7,450,090 — Verified Summary Important scope note up front: I found no 2026 CAFC docket activity involving U.S. Patent 7,450,090, and no 2026 litigation asserting it…
View full analysis →added 9/24/2026 - US74542910 cases6/8 sections
I'll search for authoritative information on this specific patent number, including any litigation or docket activity. US 7,454,291 — Analyst Summary Scope note on search coverage: I searched for this exact number (and the exact string…
View full analysis →added 9/24/2026 - US74544960 cases6/8 sections
I'll search for US patent 7454496 in the USPTO database and any CAFC 2026 docket references. Let me run additional targeted searches for the claims text and any CAFC litigation. Based on my searches of Google Patents, Justia, and other…
View full analysis →added 8/21/2026 - US74547920 cases6/8 sections
I'll verify this against live sources before summarizing. Let me run additional targeted searches on litigation and the Federal Circuit docket. One more check for PTAB proceedings or asserted-case dockets. US 7,454,792 B2 — Verification…
View full analysis →added 9/24/2026 - US74576970 cases6/8 sections
I'll run searches against the patent databases and docket sources. Let me pull the claim set and check for any litigation or docket activity. Let me retrieve the independent claim text. US 7,457,697 B2 — Verified Summary Important scope…
View full analysis →added 9/24/2026 - US74614180 cases6/8 sections
I'll run searches for the patent number and any associated litigation. Let me check specifically for any litigation or PTAB/CAFC proceedings involving this patent. Summary — US Patent 7,461,418 B2 Bottom line: I located authoritative…
View full analysis →added 9/20/2026 - US74691970 cases6/8 sections
I'll verify the patent's litigation/docket status and bibliographic data with searches, then summarize. Let me do one more targeted check for litigation history on this patent. Verification note up front I searched for US 7,469,197 against…
View full analysis →added 9/24/2026 - US74759000 cases6/8 sections
Here is a concise summary of US Patent 7475900: US Patent 7475900: Summary Title: Baby stroller frame Assignee: The original assignee was Link Treasure Ltd. As of the latest legal event on 2025-11-07, the patent was assigned to LINK…
View full analysis →added 7/17/2026 - US74784290 cases6/8 sections
I'll verify the patent record and check for any 2026 litigation activity. Let me check the claim set and confirm whether any 2026 court docket references this patent. US 7,478,429 B2 — Verification & Summary Sources consulted: Google…
View full analysis →added 9/30/2026 - US74806310 cases6/8 sections
Summary of US Patent 7480631 Title: System and method for detecting and processing fraud and credit abuse Assignee: JPMorgan Chase Bank NA is the current assignee. Earlier assignees included Bank One, Delaware, National Association, and…
View full analysis →added 5/10/2026 - US74875380 cases6/8 sections
I'll search for this specific patent number and any related litigation. Let me run a couple more targeted searches to check for any litigation or PTAB proceedings. US Patent 7,487,538 B2 — "Security system" Sources consulted: Google…
View full analysis →added 9/26/2026 - US74902630 cases6/8 sections
US Patent 7490263 Summary Title: Apparatus, system, and method for a storage device's enforcing write recovery of erroneous data Assignee: Individual (Original Assignee: Individual). Please note that Google's legal status information…
View full analysis →added 5/10/2026 - US74921300 cases6/8 sections
I'll run searches against the requested sources for patent number 7492130. Both returned empty. Let me try alternate query formulations. Search results and caveats I ran searches against Google Patents, USPTO-derived sources (uspto.report…
View full analysis →added 9/29/2026 - US75007470 cases6/8 sections
Summary of U.S. Patent No. 7,500,747 Note on sourcing/verification: I searched the web (Google Patents, USPTO.report, Justia/FreePatentsOnline listings) for this exact patent number. I could not retrieve the full granted-claim text in the…
View full analysis →added 9/6/2026 - US75025180 cases6/8 sections
As of April 26, 2026, searches of the USPTO database and CAFC 2026 dockets for US patent 7502518 did not reveal any active litigation or specific mentions in the CAFC's scheduled cases for June 2026. Here is a concise summary of US Patent…
View full analysis →added 5/10/2026 - US75083090 cases6/8 sections
I'll search for authoritative information on US 7508309, including any 2026 CAFC activity. Let me search specifically for litigation/docket activity and verify the assignee history. Let me run one more targeted check for any assertion or…
View full analysis →added 9/24/2026 - US75091780 cases6/8 sections
Here is a concise summary of US patent 7509178: Patent Number: US7509178B2 Title: Audio program distribution and playback system Inventors: James D. Logan, Daniel F. Goessling, Charles G. Call Current Assignee: Personal Audio LLC Original…
View full analysis →added 5/10/2026 - US75127020 cases6/8 sections
I'll search for this patent across the sources you specified. Let me dig deeper on the claims text and check for any 2026 CAFC activity. Search results summary I ran targeted searches against Google Patents, uspto.report…
View full analysis →added 9/11/2026 - US75127070 cases6/8 sections
I'll run targeted searches for the exact patent number and for any CAFC 2026 activity. No CAFC hit for the exact number. Let me probe further for any litigation, PTAB, or Federal Circuit activity tied to this exact patent. US Patent…
View full analysis →added 9/11/2026