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.

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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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  • US11156557
    0 cases6/8 sections

    I'll verify this patent against live sources, including checking for any CAFC/litigation activity. Let me pin down the exact claim set and check for any litigation/PTAB activity. US 11,156,557 B2 — Verified Summary Search scope /…

    View full analysis →added 9/24/2026
  • US11159210
    0 cases6/8 sections

    Here's a concise summary of US Patent 11159210: Title: Wireless communication method and wireless communication terminal for signaling multi-user packet Assignee: Wilus Institute of Standards and Technology Inc Inventors: Juhyung Son…

    View full analysis →added 7/28/2026
  • US11162819
    0 cases6/8 sections

    I'll verify this patent against live sources, including USPTO records and any 2026 CAFC/litigation activity. Let me do a couple more targeted checks for litigation/PTAB activity and assignee confirmation. Search results summary — US…

    View full analysis →added 9/24/2026
  • US11162820
    0 cases6/8 sections

    I'll verify against live sources, then summarize. Verification notes I ran searches against live web sources (Google Patents / USPTO-facing aggregators, PTAB and court-docket aggregators). Result of the "CAFC 2026 docket" search: no…

    View full analysis →added 9/24/2026
  • US11168997
    0 cases6/8 sections

    I'll run targeted searches for this patent number and any associated litigation. Let me check for litigation and the complete claim set. US 11,168,997 B2 — "Reverse natural guidance" Scope note on method: I searched for this exact number…

    View full analysis →added 9/24/2026
  • US11175127
    0 cases6/8 sections

    I'll search for this specific patent number across USPTO sources and CAFC dockets. Initial searches returned irrelevant matches (note one result was EP application 11175127, a different jurisdiction and number—not the US patent). Let me…

    View full analysis →added 9/24/2026
  • US11175697
    0 cases6/8 sections

    I'll search for this specific patent number and check for any litigation or CAFC activity. Let me check for litigation, PTAB, and CAFC activity. Let me verify the granted claim set and check for any post-grant proceedings or appeals. US…

    View full analysis →added 9/30/2026
  • US11181432
    0 cases6/8 sections

    I'll search for the specific patent number and any related litigation/docket activity. Let me check for any litigation or CAFC docket activity and verify the bibliographic data. Search results note I searched for the literal string…

    View full analysis →added 9/24/2026
  • US1118278
    0 cases6/8 sections

    I'll ground this summary in both the authoritative patent text and targeted searches for the identifier. Identification and scope check I treated 1118278 literally as the US patent number US 1,118,278 A (seven digits, i.e., 1,118,278 — a…

    View full analysis →added 9/27/2026
  • US11185619
    0 cases6/8 sections

    I'll search for authoritative information on this specific patent number, then summarize. Let me try to retrieve the actual claim set and any Federal Circuit activity. I found key litigation context. Let me pin down the actual claim set…

    View full analysis →added 9/28/2026
  • US111877
    0 cases6/8 sections

    I'll run the requested searches, then reconcile them with the authoritative patent text provided. Search results confirm the authoritative text. Let me also check the specific docket/assignee questions the request raises. US Patent 111,877…

    View full analysis →added 9/24/2026
  • US11188998
    0 cases6/8 sections

    US Patent 11188998 Summary: Title: Method for embedding searchable information, encryption, signing operation, transmission, storage and retrieval Assignee: MYPORT TECHNOLOGIES Inc Inventor: Michael F. Malone Filing Date: August 16, 2019…

    View full analysis →added 5/14/2026
  • US11193857
    0 cases6/8 sections

    I'll search for the specific patent number and any related litigation. Let me check for any litigation or CAFC docket activity specifically involving this patent. Patent US 11,193,857 — Summary Source of authority: The full patent text…

    View full analysis →added 9/24/2026
  • US11193858
    0 cases6/8 sections

    I'll search for this specific patent number and check for any litigation/docket activity. Let me run a couple more targeted checks for litigation involving this patent's owner and any PTAB activity. US 11,193,858 B2 — "Tissue planing…

    View full analysis →added 9/24/2026
  • US11202016
    0 cases6/8 sections

    I'll search for the specific patent and any CAFC docket activity. Let me run additional targeted searches to confirm there is no CAFC activity and verify the USPTO record. Let me do a final confirmation search for any litigation or PTAB…

    View full analysis →added 9/4/2026
  • US11215574
    0 cases6/8 sections

    I'll run a few targeted searches before summarizing. US 11,215,574 B2 — "Monitoring of heated tubes" Source note / scope of search. I searched the open web for this exact number and for Topsoe-related litigation and Federal Circuit…

    View full analysis →added 9/24/2026
  • US11219022
    0 cases6/8 sections

    I'll search for authoritative information on this specific patent number, then cross-reference with the full patent text provided. Let me verify the claim set and check for any litigation/appeal specifically naming this patent. US…

    View full analysis →added 9/29/2026
  • US11222349
    0 cases6/8 sections

    The patent details are extracted from the provided text. The CAFC 2026 dockets search results indicate general information about CAFC case information and PACER, but no specific dockets for patent US11222349 in 2026. I explicitly searched…

    View full analysis →added 5/27/2026
  • US11226245
    0 cases6/8 sections

    I'll search for litigation/docket activity and USPTO records for this specific patent number. Let me run additional targeted searches for litigation and USPTO/PTAB records specific to this patent. Summary: US Patent No. 11,226,245 Sourcing…

    View full analysis →added 9/24/2026
  • US11226247
    0 cases6/8 sections

    I'll search for authoritative records on this patent number, including any 2026 litigation activity. Let me check specifically for litigation and Federal Circuit activity. US Patent 11,226,247 — Summary Identification (as recorded, not…

    View full analysis →added 9/24/2026