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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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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  • US7171378
    0 cases6/8 sections

    I'll search for authoritative information on US 7,171,378 and any related CAFC 2026 docket activity. Let me check specifically for litigation and the claim structure. Let me confirm the independent claim set and check for any 2026…

    View full analysis →added 9/24/2026
  • US7173912
    0 cases6/8 sections

    I'll search for current information on this patent number before summarizing. Search results / docket check — up front I ran targeted searches for the literal string "7173912" and for "7173912" combined with CAFC/2026 docket terms…

    View full analysis →added 9/27/2026
  • US7177945
    0 cases6/8 sections

    I'll run targeted searches for this patent number, including CAFC 2026 docket activity. Let me run more specific searches on the claims and any litigation history. Let me attempt one more search specifically for the claim text and any 2026…

    View full analysis →added 9/26/2026
  • US7181229
    0 cases6/8 sections

    I'll search for this specific patent number across the sources you mentioned. Let me check for any litigation/docket activity and confirm the USPTO record. US Patent 7,181,229 — Verified Record Summary Bottom line on your two requested…

    View full analysis →added 9/24/2026
  • US7185073
    0 cases6/8 sections

    I'll search for this specific patent number in USPTO and CAFC sources. Let me search for the specific claims and any litigation involving this patent. Let me get the actual claim text for this patent. Search Results for US Patent No…

    View full analysis →added 9/24/2026
  • US7185358
    0 cases6/8 sections

    I'll search for authoritative information on US 7,185,358. Now let me check for litigation / CAFC docket activity and the USPTO assignment record. Let me check for any IPR/PTAB and Federal Circuit activity specifically involving 7,185,358…

    View full analysis →added 9/24/2026
  • US7185368
    0 cases6/8 sections

    I'll verify the patent details and check for any 2026 litigation activity. Let me pull the actual claim text to summarize the independent claims accurately. Let me try to confirm the exact wording of the earlier independent claims. US…

    View full analysis →added 9/24/2026
  • US7188317
    0 cases6/8 sections

    I'll verify the patent's current status and check for any litigation activity before summarizing. US Patent 7,188,317 B1 — Verification Report Search note on the strict-ID rule: I searched for the literal string "7188317." Two near-miss…

    View full analysis →added 9/20/2026
  • US7189800
    0 cases6/8 sections

    I'll search for authoritative information on US 7,189,800, including any 2026 CAFC docket activity. Let me search for the abstract, assignee details, and any litigation activity. Let me pull the issued claims and check for any 2026…

    View full analysis →added 10/1/2026
  • US7192244
    0 cases6/8 sections

    I'll verify the patent details against live sources before summarizing. US 7,192,244 B2 — Verified Summary I searched for this specific number; all results below map to US 7,192,244 B2 only. No other patent number was substituted…

    View full analysis →added 9/30/2026
  • US7194244
    0 cases6/8 sections

    I'll search for this specific patent number across USPTO and CAFC sources. Let me search specifically for litigation/PTAB/CAFC activity involving this patent number. Let me run two more targeted searches to check for any Federal Circuit or…

    View full analysis →added 9/30/2026
  • US7194363
    0 cases6/8 sections

    I'll search for authoritative information on this patent, including any litigation dockets. Now let me check for any litigation or CAFC activity involving this patent. US 7,194,363 B2 — Verification Summary I searched for this patent…

    View full analysis →added 9/24/2026
  • US7195554
    0 cases6/8 sections

    I'll search for the specific patent number and any associated litigation. US 7,195,554 — Summary Important framing note: I found no USPTO litigation records and no CAFC 2026 docket referencing patent 7,195,554. My searches for "7195554…

    View full analysis →added 10/1/2026
  • US7202961
    0 cases6/8 sections

    I'll search for authoritative information on this patent number. Let me search for litigation and any CAFC/PTAB activity involving this specific patent. Let me check for any court docket appearances and the certificate of correction for…

    View full analysis →added 9/24/2026
  • US7203844
    0 cases6/8 sections

    Here's a concise summary of US Patent 7203844: US Patent 7203844: Method and system for a recursive security protocol for digital copyright control Title: Method and system for a recursive security protocol for digital copyright control…

    View full analysis →added 5/10/2026
  • US7211579
    0 cases6/8 sections

    I'll search for authoritative information on this patent number, including any CAFC 2026 docket activity. Let me run additional targeted searches for any litigation or CAFC activity, and confirm the docket databases. Let me check for any…

    View full analysis →added 9/26/2026
  • US7212534
    0 cases6/8 sections

    I'll search for the authoritative record on this patent number and check for any 2026 CAFC activity. Now let me check for any CAFC 2026 docket activity and confirm the full claim set. Let me confirm the remaining independent claims and…

    View full analysis →added 9/30/2026
  • US7225267
    0 cases6/8 sections

    I'll search for authoritative records on this patent, including any 2026 CAFC activity. Let me run a couple more targeted searches for litigation/PTAB activity and USPTO status. Search scope and caveats I searched for the specific number…

    View full analysis →added 9/26/2026
  • US7225787
    0 cases6/8 sections

    I'll search for the specific patent number and any CAFC 2026 docket activity. Let me run a couple of targeted follow-up searches to confirm docket status. Let me check whether the full claim set (claims 3–9) and any '787-specific docket…

    View full analysis →added 9/24/2026
  • US7225909
    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 records specifically tied to this patent number. US Patent 7,225,909 — Summary Important scope note up…

    View full analysis →added 9/24/2026