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.

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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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  • US8825777
    0 cases6/8 sections

    I'll search for authoritative information on US 8,825,777, including any litigation or CAFC activity. Let me check for any litigation or proceedings specifically involving this patent number. US 8,825,777 B2 — Verification Summary Search…

    View full analysis →added 9/28/2026
  • US8832204
    0 cases6/8 sections

    I'll search for the specific patent number and check for any litigation/docket information. Let me verify the granted claim set and check for any litigation record. US Patent 8,832,204 — Verification Summary I searched for the exact…

    View full analysis →added 9/24/2026
  • US8832654
    0 cases6/8 sections

    I'll search for authoritative information on this patent, including any litigation/docket activity. The second result is unrelated (an Oasis Tooling § 101 petition). Let me run more targeted searches. US Patent 8,832,654 — Analyst Summary…

    View full analysis →added 9/30/2026
  • US8832832
    0 cases6/8 sections

    I'll search for authoritative information on this patent, including any CAFC 2026 docket activity. US Patent 8,832,832 — Summary Heading caveat: Below is grounded in the patent full text supplied to me (Google Patents, fetched 2026‑09‑11)…

    View full analysis →added 9/11/2026
  • US8836503
    0 cases6/8 sections

    I'll search for this specific patent number in the USPTO and related sources. The first search returned results for an unrelated patent (10,531,883, a catheter patent) — not our target. Let me run more targeted searches for US 8,836,503…

    View full analysis →added 9/4/2026
  • US8836580
    0 cases6/8 sections

    US Patent 8,836,580 — Summary (Searched as: 8836580 / US8836580B2) Bibliographic Data (confirmed against the Google Patents record for US8836580B2 and the issued-patent PDF) | Field | Data | |---|---| | Patent number | US 8,836,580 B2…

    View full analysis →added 9/4/2026
  • US8842454
    0 cases6/8 sections

    Here's a concise summary of US patent 8842454: US Patent 8842454: Inverter array with localized inverter control Title: Inverter array with localized inverter control Assignee: GRIDSCALE SOLUTIONS, LLC. (Current Assignee as of 2026-04-21)…

    View full analysis →added 5/24/2026
  • US8850571
    0 cases6/8 sections

    I'll search for this specific patent number and its current litigation status. Let me run additional targeted searches. Let me search specifically for the claims of this patent. Search Report: US 8,850,571 B2 Scope note on the searches. I…

    View full analysis →added 9/13/2026
  • US8851068B2
    0 cases6/8 sections

    Summary — U.S. Patent 8,851,068 B2 (US8851068B2) Search results note I searched for the exact identifier 8851068B2 (and its numeric form 8,851,068). I did not find any CAFC 2026 docket entries, PTAB/IPR proceedings, or 2026 litigation…

    View full analysis →added 9/4/2026
  • US8856221
    0 cases6/8 sections

    Search results and CAFC docket status CAFC / 2026 dockets: I searched for a Federal Circuit appeal involving patent 8856221 in 2026 and found no CAFC docket or appeal matching this patent number. The most recent 2026 activity is at the…

    View full analysis →added 9/8/2026
  • US8862978
    0 cases6/8 sections

    Here's a concise summary of US Patent 8,862,978: US Patent 8,862,978: Methods and systems for facilitating an online social network Title: Methods and systems for facilitating an online social network Assignee: Tracktime LLC (Current)…

    View full analysis →added 7/9/2026
  • US8863198
    0 cases6/8 sections

    I'll search for this specific patent number and check for any CAFC/litigation activity. Let me pull the claim language and check for litigation/appeal activity involving this patent or its owner. US Patent 8,863,198 — Analyst Summary…

    View full analysis →added 10/1/2026
  • US8867574
    0 cases6/8 sections

    I'll search for authoritative information on this specific patent number, including any litigation/docket activity. Let me check specifically for litigation/docket activity and verify the claim set. Let me verify the independent claim set…

    View full analysis →added 9/30/2026
  • US8874359
    0 cases6/8 sections

    I'll search for authoritative information on US patent 8874359, including any CAFC 2026 litigation activity. Let me search more specifically for litigation and CAFC activity involving this patent. Let me do a final targeted check for any…

    View full analysis →added 9/24/2026
  • US8874474
    0 cases6/8 sections

    I'll search for authoritative information on this patent, including any litigation activity. Initial searches returned mostly unrelated results. Let me try more targeted queries. Let me search litigation databases and PTAB directly. US…

    View full analysis →added 9/24/2026
  • US8893009
    0 cases6/8 sections

    I'll run targeted searches for this exact patent number and its litigation/docket record. Initial results are strong. Now let me verify the patent's own independent claims and check for any Federal Circuit/appeal activity. US 8,893,009 B2…

    View full analysis →added 9/24/2026
  • US8896713
    0 cases6/8 sections

    US patent 8896713, titled "Motion-based video stabilization," was issued to Apple Inc. on November 25, 2014, from an application filed on August 15, 2011. [cite: The full patent text] The inventors are Brandon Corey, George William, and…

    View full analysis →added 7/13/2026
  • US8904098
    0 cases6/8 sections

    I'll research this patent number specifically, including any litigation activity. Let me check specifically for any litigation or PTAB proceedings involving the '098 patent itself. Verification and scope note I searched for the literal…

    View full analysis →added 9/26/2026
  • US8909437
    0 cases6/8 sections

    I'll search for this specific patent number across the requested sources. Let me check specifically for litigation/docket data on this patent number. Search Results Summary — US 8,909,437 Scope note up front: I found the patent itself in…

    View full analysis →added 9/24/2026
  • US8909772
    0 cases6/8 sections

    I'll verify against live sources before summarizing. Let me check for any litigation or post-grant proceedings involving this specific patent. Summary of U.S. Patent No. 8909772 Important search caveat: The tools available to me are…

    View full analysis →added 9/30/2026