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Patent invalidity dossiers.

7,247 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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  • US5952916
    0 cases1/8 sections

    Patent Overview Title: Hammer-equipped emergency signal device Patent No.: US5952916A Assignee: Atras Auto Co Ltd (original and current assignee per the source) Inventor: Hideyasu Yamabe Priority date: 1998-05-28 (priority to JP10146430A /…

    View full analysis →added 9/23/2026
  • US5956330
    0 cases1/8 sections

    Patent Overview — US 5,956,330 Title: Bandwidth management in a heterogenous wireless personal communications system Patent number: US 5,956,330 (application US 08/829,055), granted 1999-09-21. Inventor: Robert Q. Kerns. Assignee: Original…

    View full analysis →added 9/23/2026
  • US5956597
    0 cases1/8 sections

    Patent Overview: US 5,956,597 Title: Method for producing SOI & non-SOI circuits on a single wafer Patent number: US 5,956,597 A Application number: US 08/929,730 Inventors: Toshiharu Furukawa; Mark C. Hakey; Steven J. Holmes; David V…

    View full analysis →added 9/23/2026
  • US5956716
    0 cases1/8 sections

    Patent Overview — US 5956716 A Title: System and method for delivery of video data over a computer network. Patent number / application: US 5,956,716 A; Application No. US 08/660,540. Inventors: Brian Kenner and Harry Gruber. Assignee…

    View full analysis →added 9/21/2026
  • US5956721
    0 cases1/8 sections

    US 5,956,721 — Overview Title: Method and computer program product for classifying network communication packets processed in a network stack Patent number: US 5,956,721 A Application number: US 08/933,868 Inventors: John R. Douceur, Yoram…

    View full analysis →added 9/21/2026
  • US5958015
    0 cases1/8 sections

    Patent Overview: US 5,958,015 Title: Network session wall passively listening to communication session, with use of access rules, stops further communication between network devices by emulating messages to the devices Patent number /…

    View full analysis →added 9/21/2026
  • US5959529
    0 cases1/8 sections

    Patent Overview: US5959529A Title: Reprogrammable remote sensor monitoring system Patent number: US5959529A Application number: US08/813,846 Inventor: Karl A. Kail, IV Original assignee: Individual Current assignee (per listing): Braemar…

    View full analysis →added 9/23/2026
  • US5961198
    0 cases1/8 sections

    Patent Overview: US5961198A Title: Liquid crystal display device and method of manufacturing backlighting light guide panel therefor Patent number: US5961198A | Application: US08/791,513 Assignee: Original assignee Hitachi, Ltd.; current…

    View full analysis →added 9/23/2026
  • US5966705
    0 cases1/8 sections

    Patent Overview: US 5966705 A Title: Tracking a user across both secure and non-secure areas on the Internet, wherein the user is initially tracked using a globally unique identifier. Assignee: Original assignee Microsoft Corp; current…

    View full analysis →added 9/23/2026
  • US5971559
    0 cases1/8 sections

    Patent Overview — US 5,971,559 A Title: Surface light source device Assignee: Enplas Corp (original and current assignee as listed) Inventor(s): Tsuyoshi Ishikawa; Kayoko Watai; Kazuaki Yokoyama Application No.: US 09/084,008 | Filed…

    View full analysis →added 9/23/2026
  • US5973619
    0 cases1/8 sections

    Patent Overview — US 5,973,619 A Title: Automated vehicle dispatch and payment honoring system Source: https://patents.google.com/patent/US5973619/en Bibliographic data (from supplied text): Application US08/872,084; filed 1997-06-10…

    View full analysis →added 9/23/2026
  • US5974184
    0 cases1/8 sections

    Patent Overview — US 5,974,184 A Title: "Intra-macroblock DC and AC coefficient prediction for interlaced digital video" Patent number / application: US 5,974,184 A; Application No. US 08/957,511. Inventors: Robert O. Eifrig, Xuemin Chen…

    View full analysis →added 9/23/2026
  • US5974463
    0 cases1/8 sections

    Patent Overview — US5974463A Title: "Scaleable network system for remote access of a local network" Patent number / application: US5974463A; application US08/871,323. Inventor(s): Padmanand Warrier and Roger Richter. Assignee (as listed)…

    View full analysis →added 9/21/2026
  • US5974619
    0 cases1/8 sections

    US 5,974,619 — "Brushes": Overview Title: Brushes Patent number: US 5,974,619 A Inventor: Georg Weihrauch Assignee: Coronet Werke GmbH (original and current assignee; assignment recorded 1997-08-18) Application number: US 08/894,380…

    View full analysis →added 9/23/2026
  • US5975791
    0 cases1/8 sections

    Patent Overview — US 5,975,791 A Title: Vehicle security gate apparatus and method of operating same Patent number / application: US 5,975,791 A; Application US 08/807,257 Inventor / Assignee: G. Wallace McCulloch; Original Assignee and…

    View full analysis →added 9/24/2026
  • US5980025
    0 cases1/8 sections

    Patent Overview: US 5,980,025 Title: Thermal inkjet printhead with increased resistance control and method for making the printhead Patent Number: US5980025A Application Number: US08/976,419 Inventors: Cathie J. Burke; Alan D. Raisanen…

    View full analysis →added 9/23/2026
  • US5982327
    0 cases1/8 sections

    Patent Overview — US 5,982,327 Title: Adaptive array method, device, base station and subscriber unit Source: https://patents.google.com/patent/US5982327/en Bibliographic data (per source): Application US09/005,998; filed 1998-01-12…

    View full analysis →added 9/21/2026
  • US5983270
    0 cases1/8 sections

    Patent Overview: US5983270A Title: Method and apparatus for managing internetwork and intranetwork activity Patent number: US5983270A Application number: US08/825,775 Inventors: Dalen M. Abraham; Todd A. Barnes; Paul F. Bouche; Thomas P…

    View full analysis →added 9/20/2026
  • US5987454
    0 cases1/8 sections

    Patent Overview: US 5,987,454 A Title: "Method and apparatus for selectively augmenting retrieved text, numbers, maps, charts, still pictures and/or graphics, moving pictures and/or graphics and audio information from a network resource"…

    View full analysis →added 9/23/2026
  • US5987547
    0 cases1/8 sections

    Patent Overview — US 5,987,547 Title: Network computer with interchangeable hard drive and data transceiver Patent number: US 5,987,547 A Application number: US08/825,545 Inventors: Carl M. Panasik; Periagaram K. Rajasekaran Assignee…

    View full analysis →added 9/23/2026