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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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  • US6434530
    0 cases1/8 sections

    Patent Overview: US6434530B1 — Interactive Shopping System with Mobile Apparatus Title: Interactive Shopping System with Mobile Apparatus Patent Number: US6434530B1 Application Number: US09/233,825 Inventors: Martin A. Sloane; Tod Bogan…

    View full analysis →added 9/24/2026
  • US6434755
    0 cases1/8 sections

    Patent Overview: US 6,434,755 B1 — "Helmet" Title: Helmet Patent number: US 6,434,755 B1 Application number: US09/586,124 Inventors: P. David Halstead; Cherie F. Alexander; Thad Ide Original assignee (per source): Southern Impact Research…

    View full analysis →added 9/17/2026
  • US6440458
    0 cases1/8 sections

    Patent Overview — US 6,440,458 B1 Title: Sustained release preparations Patent number: US6440458B1 Assignee/owner of record (per the supplied text): Original assignee Fujisawa Pharmaceutical Co., Ltd.; current assignee listed as Astellas…

    View full analysis →added 9/23/2026
  • US6442550
    0 cases1/8 sections

    Patent Overview — US 6,442,550 B1 Title: System and method in a collaborative data processing environment for customizing the quality of service on a per-client basis Assignee/Inventor: International Business Machines Corp.; inventor…

    View full analysis →added 9/23/2026
  • US6449647
    0 cases1/8 sections

    US 6,449,647 B1 — Content-Aware Switching of Network Packets Source: https://patents.google.com/patent/US6449647/en Title: Content-aware switching of network packets Assignee: Cisco Technology, Inc. (current); Cisco Systems, Inc…

    View full analysis →added 9/23/2026
  • US6452932
    0 cases1/8 sections

    Patent Overview — US 6,452,932 B1 Title: Method, system and apparatus for telecommunications control Patent number: US 6,452,932 B1 Application number: US 09/499,874 Inventor: Joseph Michael Christie Assignee (original and current, per the…

    View full analysis →added 9/23/2026
  • US6458387
    0 cases1/8 sections

    Patent Overview — US6458387B1 Title: Sustained release microspheres Patent number: US6458387B1 Application number: US09/420,361 Inventors: Terrence L. Scott; Larry R. Brown; Frank J. Riske; Charles D. Blizzard; Julia Rashba-Step Original…

    View full analysis →added 9/23/2026
  • US6467056
    0 cases1/8 sections

    Patent Overview — US6467056B1 Title: Semiconductor integrated circuit and method of checking memory Patent number: US6467056B1 Application number: US09/461,401 (filed 1999-12-15) Publication/grant date: 2002-10-15 Priority date (as…

    View full analysis →added 9/21/2026
  • US6484041
    0 cases1/8 sections

    Patent Overview — US 6,484,041 B1 Title: Method for adjusting power consumption Patent number: US6484041B1 Application number: US09/413,297 Inventors: Ari Aho, Markku Lipponen, Jarno Knuutila Original assignee: Nokia Mobile Phones Ltd…

    View full analysis →added 9/23/2026
  • US6484261
    0 cases1/8 sections

    Patent Overview — US6484261B1 Title: Graphical network security policy management Patent number: US6484261B1 Inventor: Scott L. Wiegel (per the source listing) Assignee: Cisco Technology, Inc. (original assignee; listed as current…

    View full analysis →added 9/17/2026
  • US6495498
    0 cases1/8 sections

    Patent Overview: US6495498B2 Title: Detergent compositions with enhanced depositing, conditioning and softness capabilities Patent number: US6495498B2 Assignee/current owner (as listed): Original assignee — Johnson and Johnson Consumer…

    View full analysis →added 9/23/2026
  • US6496184
    0 cases1/8 sections

    Patent Overview: US 6,496,184 B1 Title: Method for inferring scenes from test images and training data using probability propagation in a markov network Patent number: US 6,496,184 B1 Application number: US09/335,943 Inventors: William T…

    View full analysis →added 9/23/2026
  • US6502125
    0 cases1/8 sections

    Patent Overview — US6502125B1 Title: System and method for optimized storage and retrieval of data on a distributed computer network Patent number: US6502125B1 (application US09/635,289, filed 2000-08-09; granted/publication date…

    View full analysis →added 9/21/2026
  • US6502933
    0 cases1/8 sections

    Patent Overview — US 6,502,933 B2 Title: Ink cartridge for ink jet printer Inventors: Dae-soon Lim; Jae-ho Moon; Jeong-seon Kim Original assignee: Samsung Electronics Co., Ltd. Application: US 09/761,841, filed 2001-01-18 Priority date…

    View full analysis →added 9/23/2026
  • US6513953
    0 cases1/8 sections

    Patent Overview — US 6513953 B1 Title: Illumination system and projector Patent number / application: US 6513953 B1; Application US09/510,678 (filed 2000-02-22) Inventor / Assignee: Yoshitaka Itoh; Seiko Epson Corp. (original and current…

    View full analysis →added 9/23/2026
  • US6516063
    0 cases1/8 sections

    Patent Overview: US 6,516,063 B1 Title: Echo canceller having improved non-linear processor Patent number: US 6,516,063 B1 Inventors: David S. Farrell; Tianfang Liu Original assignee: Tellabs Operations Inc. (current assignee listed as…

    View full analysis →added 9/23/2026
  • US6519630
    0 cases1/8 sections

    Patent Overview: US6519630B1 Title: Production of document data including dynamic character representation Patent Number: US6519630B1 Assignee/Current Assignee (as listed): Pioneer Corp; Geotechnologies Inc. Original assignees: Pioneer…

    View full analysis →added 9/23/2026
  • US6520165
    0 cases1/8 sections

    Patent Overview — US 6520165 B1 Title: Nozzle for emitting nitrous oxide for fuel to engines Patent number / application: US 6520165 B1; application US10/003,944 Inventor / assignee: Michael Wayne Steele, listed as inventor; original and…

    View full analysis →added 9/21/2026
  • US6524557
    0 cases1/8 sections

    Patent Overview — US 6,524,557 B1 Title: Aerosol formulations of peptides and proteins Patent number / application: US 6,524,557 B1; application US 08/624,504 Assignee: AstraZeneca AB (original assignee AstraZeneca AB; an earlier…

    View full analysis →added 9/23/2026
  • US6526264
    0 cases1/8 sections

    Patent Overview — US 6526264 B2 Title: Wideband multi-protocol wireless radio transceiver system Patent number / application: US 6526264 B2; application US 09/984,166, filed 2001-10-29. Dates: Priority date 2000-11-03; publication date…

    View full analysis →added 9/23/2026