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

You got a patent demand letter. Now what?

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 letter →

Analyze a patent

Drop a US patent number — we’ll verify it on Google Patents and generate the full invalidity dossier.

By industry

Software Technology & Computing Systems (T)(1343)Medical (M)(713)High-Tech (T)(550)Wireless Technologies(508)Semiconductor (T)(386)Automotive (A)(298)Industrial Manufacturing (IM)(295)Media & Broadcasting (T)(189)Biotechnology(153)Energy (E)(147)Optical Technology(144)Financial Technology (FT)(132)Sporting Goods (S)(84)Other (O)(73)Audio Technology(66)Consumer Durables(56)Home Appliance (HA)(48)Lighting (L)(47)Footwear(37)Agriculture (AG)(36)Firearms (F)(36)Gaming (G)(36)Food (FD)(35)Railroad(33)Home Security(31)Optical Communication(22)Audience Measurement(19)Plumbing(16)Baby Products(12)Printing Technology(10)Fire Safety (FS)(6)Retail Security(6)Telecommunications(5)Tech (T)(4)Aerospace(3)Aerospace (AS)(3)Printing Technology (P)(3)Aerospace (A)(2)Construction (C)(2)Printing (P)(2)Retail Technology (RT)(2)Telecommunications (T)(2)Telecommunications (TC)(2)Toys(2)Advertising (AD)(1)Aerospace (Ae)(1)Aviation(1)Aviation (AV)(1)Building & Construction(1)Building Construction (BC)(1)Building Materials(1)Chemical (C)(1)Chemical Sensing(1)Cosmetics (C)(1)Data Communication(1)Document Security(1)Electrical Components(1)Environmental Monitoring (EM)(1)Fencing(1)Fire Safety(1)Furniture (F)(1)High-Tech(1)Logistics (L)(1)Logistics & Shipping(1)Marine (M)(1)Maritime Logistics(1)Musical Instruments (MI)(1)Networking (N)(1)Office Equipment(1)Office Equipment (OE)(1)Paints & Coatings(1)Pet Products(1)Printing(1)Printing Technology (PT)(1)Retail Technology(1)Retail Technology (R)(1)Software Technology (T)(1)Textiles(1)Textiles (TX)(1)Tobacco (TB)(1)Vaping (V)(1)Video Surveillance(1)Video Technology(1)Water Treatment(1)
  • US10908002
    0 cases6/8 sections

    I'll search for litigation and docket information on this specific patent number. Let me check for any district court or Federal Circuit proceedings involving this patent. Let me do one final targeted check for litigation/appeal activity…

    View full analysis →added 9/24/2026
  • US10909229
    0 cases6/8 sections

    I'll search for the specific patent number and CAFC 2026 docket activity. Let me retrieve the actual granted claims and check for any CAFC 2026 docket activity. Let me try to retrieve the actual granted claim text and confirm any CAFC 2026…

    View full analysis →added 9/26/2026
  • US10909987
    0 cases6/8 sections

    I'll search for this specific patent number across multiple sources, then cross-check against the authoritative patent text provided. Let me search for the specific claim language and any Federal Circuit activity involving this patent…

    View full analysis →added 9/24/2026
  • US10914620
    0 cases6/8 sections

    I'll search for authoritative information on this specific patent number and check for any litigation activity. Let me check for litigation or CAFC docket activity involving this patent. Let me investigate the Rockwell–Beckhoff settlement…

    View full analysis →added 9/24/2026
  • US10914624
    0 cases6/8 sections

    US 10,914,624 B2 — Verification Summary Verified via search (USPTO/Google Patents mirror, Justia, EPO register). Searches for the exact string "10914624" returned only this patent. No CAFC docket, PTAB proceeding, or district-court…

    View full analysis →added 9/24/2026
  • US10914626
    0 cases6/8 sections

    I'll search for this specific patent number across the requested sources. No CAFC or litigation hits appeared. Let me run targeted checks for any litigation/IPR activity and confirm the assignee/inventor record. US Patent 10,914,626 —…

    View full analysis →added 9/24/2026
  • US10915296
    0 cases6/8 sections

    I'll research US 10915296 across patent and litigation sources. Let me search for litigation/docket activity and the actual claim text. Let me get the exact text of independent claim 1 and check Federal Circuit activity. US 10,915,296 B2 —…

    View full analysis →added 9/24/2026
  • US10917483
    0 cases6/8 sections

    Here's a concise summary of US Patent 10917483: Title: Automated communication-based intelligence engine Assignee: Numberai Inc. Inventors: Daniel Hodges, Tasos Roumeliotis, Joel Grossman, Andrew Ruff, Steven Ginn, Andrew Smith Filing…

    View full analysis →added 6/19/2026
  • US10918422
    0 cases6/8 sections

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

    View full analysis →added 9/24/2026
  • US10918911
    0 cases6/8 sections

    US patent 10918911, titled "System and method for providing a coach with live training data of an athlete as the athlete is performing a cycling workout," was issued on February 16, 2021, from an application filed on September 17, 2020…

    View full analysis →added 8/18/2026
  • US10920980
    0 cases6/8 sections

    I'll search for the specific patent number in USPTO sources and CAFC 2026 dockets. Let me search more specifically for any CAFC 2026 activity and USPTO records for this patent. Let me check for any litigation/appeal activity and confirm…

    View full analysis →added 9/24/2026
  • US10924456
    0 cases6/8 sections

    I've reached the search step limit, so I'll synthesize the answer from the authoritative full patent text you provided plus the live search results, and flag where I lack verbatim confirmation. US Patent 10924456 (US10924456B1) — Patent…

    View full analysis →added 8/30/2026
  • US10925753
    0 cases6/8 sections

    I'll search for authoritative information on this patent number across USPTO and litigation sources. Let me look for the actual claim text and any litigation/appellate activity. Let me retrieve the actual claim language and check for 2026…

    View full analysis →added 9/26/2026
  • US10926218
    0 cases6/8 sections

    US Patent 10,926,218: Sorbents for the Oxidation and Removal of Mercury Title: Sorbents for the oxidation and removal of mercury Current Assignee: Birchtech Corp. (as of November 7, 2024) Original Assignee: Midwest Energy Emissions Corp…

    View full analysis →added 7/1/2026
  • US10935399
    0 cases6/8 sections

    I'll verify this patent against live sources and check for any litigation or CAFC activity. Let me check specifically for PTAB proceedings, assignments, and any court activity. Search methodology and its limits (read first) I can run…

    View full analysis →added 9/24/2026
  • US10935404
    0 cases6/8 sections

    I'll search for authoritative information on this patent and any litigation/docket activity. Let me check specifically for litigation/docket activity and USPTO records for this patent. US Patent 10,935,404 — Summary Note on method: I could…

    View full analysis →added 9/24/2026
  • US109364
    0 cases6/8 sections

    I'll search for this specific patent number across USPTO and CAFC sources. Let me try alternative searches. Let me try broader queries to find any current database records for this patent. I was unable to retrieve any live search results —…

    View full analysis →added 9/7/2026
  • US10936685
    0 cases6/8 sections

    US Patent 10936685, titled "Poll-based networking system," was issued to Trinity Info Media LLC. The inventors are Timothy Beggy and David Shaun Neal. The application was filed on July 2, 2018, and the patent was published (issued) on…

    View full analysis →added 5/10/2026
  • US10944400
    0 cases6/8 sections

    US patent 10944400, titled "On-die termination control," was issued on March 9, 2021, from an application filed on April 20, 2020 (Application No. US16/853,658). The original assignee was Rambus Inc, and the current assignee, as of October…

    View full analysis →added 5/25/2026
  • US10948334
    0 cases6/8 sections

    I'll search for this specific patent number and check for any litigation activity. Let me check specifically for litigation/docket activity and confirm the bibliographic data. US 10,948,334 B2 — Summary Sources consulted - Full patent text…

    View full analysis →added 9/24/2026