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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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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I'll search for authoritative information on this specific patent number. Let me verify claims and check for any litigation docket specifically naming this patent. US 9,980,813 B2 — Concise Summary Important note on scope of verification…
View full analysis →added 9/26/2026I'll search for authoritative information on this patent, including any CAFC 2026 docket activity. Let me verify the granted claims and check the litigation docket. Let me pull the granted patent's independent claims directly. Search /…
View full analysis →added 9/18/2026US Patent 9996717 (US9996717B2) is titled "Interrogator and interrogation system employing the same." Assignee: Lone Star SCM Systems LP Inventors: John P. Volpi, Jimmy D. Laferney, William C. Montgomery Filing Date: May 8, 2017…
View full analysis →added 6/15/2026- USD10492301 case →6/8 sections
Analysis of U.S. Patent D1049230 As of May 1, 2026, a thorough search for U.S. Patent D1049230 on the United States Patent and Trademark Office (USPTO) database, Google Patents, and the dockets of the U.S. Court of Appeals for the Federal…
View full analysis →added 4/27/2026 - USD11005671 case →6/8 sections
US Patent D1100567, titled "Ornamental Design for a Grater Box Cutting Board," is a design patent. Summary of US Patent D1100567: Title: Ornamental Design for a Grater Box Cutting Board. Assignee: The assignee information is not readily…
View full analysis →added 4/27/2026 - USD11014721 case →6/8 sections
Summary of US Patent D1101472 Title: Air fryer Assignee: SharkNinja Operating LLC Inventors: Adam Garland, Gregory Allan Fish, Alex Kibbe, Joshua D. Anthony, Kevin O'Malley, Christopher Meyer-Rassow Filing Date: September 4, 2024 Issue…
View full analysis →added 4/27/2026 I'll run targeted searches for this exact design patent number, including any 2026 CAFC activity. Let me check specifically for any recent (2025–2026) activity, since the patent's term already lapsed. US D504,889 S1 — "Electronic Device"…
View full analysis →added 9/30/2026I'll verify this specific design patent against external sources, then summarize. US D604305 — Verification Summary Search scope note: I searched for the literal identifier "D604305" (and its publication form USD604305S1). I did not find…
View full analysis →added 9/30/2026I'll search for the specific patent number and any litigation records. Let me check for any Federal Circuit appeal docketed in 2026. US D789,435 S1 — "Camera" (GoPro action camera design) Scope note: I searched for the exact identifier…
View full analysis →added 9/30/2026Summary of Efforts to Locate U.S. Patent D933,333 As of May 1, 2026, a comprehensive search for U.S. Design Patent D933,333 has been conducted, but the official patent document, including its claims and specifications, could not be located…
View full analysis →added 4/27/2026I'll search for current litigation/docket information on this design patent before summarizing. Summary — U.S. Design Patent No. D977625 ("the 'D625 patent") Bottom line up front: D977625 is a design patent, not a utility patent. It has…
View full analysis →added 9/28/2026Direct retrieval of the full patent text for RE42543 from a live USPTO Patent Public Search interface is not possible within this environment. However, based on available information from various patent databases and legal resources that…
View full analysis →added 6/26/2026As a senior US patent analyst, I have retrieved and analyzed the information for US patent RE44742. Summary of U.S. Patent No. RE44742 Title: System and method for remote monitoring and control of devices Assignee: IOT Innovations, LLC…
View full analysis →added 4/27/2026I'll search for authoritative information on this patent number, including any 2026 CAFC docket activity. Now let me check for CAFC 2026 docket activity and the specific claim set. US RE46637 E — Summary Note on identifiers: I searched…
View full analysis →added 9/29/2026US Patent RE47720, titled "Lithium Starter Battery And Solid State Switch Therefor," is a reissued patent. While a re-examination application (No. 90/016,011) for this patent was filed on March 14, 2026, and is currently assigned to an…
View full analysis →added 6/15/2026I am unable to provide a concise summary of US patent RE47835, including its title, assignee, inventors, filing date, issue date, abstract, and a plain-language overview of each independent claim, because I could not retrieve the full text…
View full analysis →added 6/15/2026I am unable to provide a concise summary of US patent RE48479, including its title, assignee, inventors, filing date, issue date, abstract, and a plain-language overview of each independent claim, because a direct fetch of the patent's…
View full analysis →added 6/15/2026I'll run targeted searches for the specific patent number RE50218 in USPTO and CAFC contexts, and to pin down the claim set. Let me narrow in on the independent claims and check the Federal Circuit docket directly. US RE50218 — Concise…
View full analysis →added 9/27/2026I'll run targeted searches for this exact identifier (and only this identifier) across U.S. patent records and litigation/docket sources. Search scope and caveats I ran targeted searches restricted to the exact string RE50398 / USRE50398E1…
View full analysis →added 9/28/2026I'll verify the patent number against external sources before summarizing. Let me check the USPTO/PatentsView record and any modern docket activity. Search provenance and verification I searched for the literal identifier RE5806 (and…
View full analysis →added 9/27/2026