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.

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)
  • US7130807
    0 cases1/8 sections

    Patent Overview: US7130807B1 Title: Technology sharing during demand and supply planning in a network-based supply chain environment Patent number: US7130807B1 Application number: US09/444,739 Inventor: Michael G. Mikurak Original…

    View full analysis →added 9/23/2026
  • US7139925
    0 cases1/8 sections

    Patent Overview — US 7,139,925 B2 Title: System and method for dynamic cluster adjustment to node failures in a distributed data system Patent number / application: US 7,139,925 B2; Application US 10/134,782 Inventors: Darpan Dinker…

    View full analysis →added 9/23/2026
  • US7142878
    0 cases1/8 sections

    Patent Overview: US 7,142,878 B1 — "Method of timing calibration" Title: Method of timing calibration Patent number: US 7,142,878 B1 Application number: US09/439,217 (filed 1999-11-12) Priority date: 1999-11-12 Publication (grant) date…

    View full analysis →added 9/23/2026
  • US7143431
    0 cases1/8 sections

    Patent Overview — US 7,143,431 B1 Title: Method for reduced bandwidth for on-demand data streaming using mini-clusters Patent number: US 7,143,431 B1 Application number: US 09/633,506 Inventors: Derek L. Eager; Mary K. Vernon…

    View full analysis →added 9/23/2026
  • US7143435
    0 cases1/8 sections

    Patent Overview: US 7,143,435 B1 Title: Method and apparatus for registering auto-configured network addresses based on connection authentication Patent number: US 7,143,435 B1 Application number: US 10/210,513 Inventors: Ralph Droms; John…

    View full analysis →added 9/24/2026
  • US7147173
    0 cases1/8 sections

    Patent Overview — US 7,147,173 B2 Title: "Nitrous fuel nozzle and method of use" Patent number: US 7,147,173 B2 (application US 10/735,636; earlier publication US 2004/0173695 A1) Assignee: Competition Cams Inc (original assignee); a later…

    View full analysis →added 9/21/2026
  • US7152240
    0 cases1/8 sections

    Patent Overview — US 7,152,240 B1 Title: Method for communication security and apparatus therefor Patent number: US 7,152,240 B1 Application number: US09/624,923 Priority/filing date: 2000-07-25 Publication (grant) date: 2006-12-19…

    View full analysis →added 9/20/2026
  • US7158475
    0 cases1/8 sections

    US7158475 — Transmitting Apparatus and Method and Provision Medium Bibliographic data (as supplied): US7158475B1; application US09/936,337; filed 2000-03-10; priority date 1999-03-12; granted/publication date 2007-01-02; inventors Yasunari…

    View full analysis →added 9/21/2026
  • US7162246
    0 cases1/8 sections

    Patent Overview — US 7,162,246 B2 Title: Mobile telecommunications with multisector antennas Patent number: US 7,162,246 B2 Application number: US 10/860,684 Inventors: Christophe Gruet; Eric Georgeaux Original assignee: Nortel Networks…

    View full analysis →added 8/26/2026
  • US7162537
    0 cases1/8 sections

    Patent Overview: US 7,162,537 B1 Title: Method and system for externally managing router configuration data in conjunction with a centralized database Patent number: US 7,162,537 B1 Application number: US09/479,607 Inventor: Pradeep…

    View full analysis →added 9/23/2026
  • US7165873
    0 cases1/8 sections

    Patent Overview — US7165873B2 Title: Light emitting panel assemblies Patent number: US7165873B2 Application number: US11/133,584 Inventor: Jeffery R. Parker Original assignee: Solid State Opto Ltd Current assignee (as listed): Innovative…

    View full analysis →added 9/23/2026
  • US7174282
    0 cases1/8 sections

    Patent Overview — US 7,174,282 B2 Title: Design methodology for tissue engineering scaffolds and biomaterial implants Patent number / application: US 7,174,282 B2 (application US 10/178,419; pre-grant publication US 2003/0069718 A1)…

    View full analysis →added 9/24/2026
  • US7187780
    0 cases1/8 sections

    Patent Overview: US 7,187,780 B2 Title: Image processing methods using reversible watermarking Patent number: US 7,187,780 B2 Application number: US 10/319,380 Inventors: Jun Tian, John Stach, Neil E. Lofgren Original/current assignee (per…

    View full analysis →added 9/24/2026
  • US7190698
    0 cases1/8 sections

    Patent Overview: US7190698B2 — "Network optimisation method" Title: Network optimisation method Patent number: US7190698B2 Application number: US10/257,248 Priority date: 2000-04-13 (noted as an assumption, not a legal conclusion) Filing…

    View full analysis →added 9/23/2026
  • US7195372
    0 cases1/8 sections

    Patent Overview — US 7,195,372 B2 Title: Master-satellite retrofit assembly and method of retrofitting recessed strip lighting fixtures Assignee: Genlyte Thomas Group LLC (original and current assignee) Inventor: Carlton B. Plunk Key dates…

    View full analysis →added 9/23/2026
  • US7200105
    0 cases1/8 sections

    Patent Overview: US 7,200,105 B1 Title: Systems and methods for point of ingress traceback of a network attack Patent Number: US 7,200105B1 (as written in the supplied source: US7200105B1) Application Number: US10/044,073 Inventors: Walter…

    View full analysis →added 9/21/2026
  • US7200145
    0 cases1/8 sections

    US7200145B1 — "Private VLANs" — Overview Title: Private VLANs Patent number: US7200145B1 Assignee/current assignee (as listed): Cisco Systems Inc; original assignee Cisco Technology Inc Inventors: Thomas J. Edsall, Marco Foschiano, Michael…

    View full analysis →added 9/23/2026
  • US7206606
    0 cases1/8 sections

    Patent Overview: US7206606B2 Title: Wireless communication including diversity transmission and reception Patent number: US7206606B2 (application US10/516,936; pre-grant publication US20050181737A1) Inventors: Kiyotaka Kobayashi, Yutaka…

    View full analysis →added 9/23/2026
  • US7216173
    0 cases1/8 sections

    Patent Overview — US 7,216,173 B2 Title: Virtual private network software system Patent number: US 7,216,173 B2 Application number: US 10/154,445 Inventors: Tom Clayton; Richard Bruce Rakes Assignee/current assignee: Varian Medical Systems…

    View full analysis →added 9/24/2026
  • US7218938
    0 cases1/8 sections

    Patent Overview: US 7,218,938 B1 Title: Methods and apparatus to analyze and present location information Patent number / application: US 7,218,938 B1; Application US 10/397,472 Inventors: Chung Lau; Peter P. Tong; C. Douglass Thomas…

    View full analysis →added 9/21/2026