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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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  • US6095547
    0 cases1/8 sections

    Patent Overview — US 6,095,547 A Title: Active piezoelectric damper for a snow ski or snowboard Assignee / Inventors: Original assignee K2 Corp; later assignments recorded to Active Control Experts, Inc. and Cymer, Inc./Cymer, LLC…

    View full analysis →added 9/23/2026
  • US6097172
    0 cases1/8 sections

    Patent Overview — US 6,097,172 A Title: Method and apparatus for determining when to terminate charging of a battery Patent number / application: US 6,097,172 A (application US 08/698,050) Inventors: Yury M. Podrazhansky and Boris Tsenter…

    View full analysis →added 9/21/2026
  • US6104451
    0 cases1/8 sections

    Patent Overview — US 6,104,451 Title: Thin display housing with multiple chambers and fans Patent number: US 6,104,451 (application US09/267,595) Assignee/owner of record as listed: Original assignee Hitachi, Ltd.; current assignee listed…

    View full analysis →added 9/23/2026
  • US6104712
    0 cases1/8 sections

    Patent Overview — US 6,104,712 A Title: Wireless communication network including plural migratory access nodes Patent number: US 6,104,712 A Application number: US 09/253,690 Inventors: Bruno G. Robert; James J. Proto Original assignee…

    View full analysis →added 9/23/2026
  • US6104821
    0 cases1/8 sections

    Patent Overview — US 6,104,821 Title: Electrical hearing aid device with high frequency electromagnetic radiation protection Patent number: US 6,104,821 A Application number: US 08/919,210 Inventor: Kunibert Husung Original assignee…

    View full analysis →added 9/24/2026
  • US6108703
    0 cases1/8 sections

    Patent Overview — US6108703A Title: Global hosting system Patent number: US6108703A Application number: US09/314,863 Inventors: F. Thomson Leighton; Daniel M. Lewin Assignee: Massachusetts Institute of Technology (original and current…

    View full analysis →added 9/24/2026
  • US6112239
    0 cases1/8 sections

    Patent Overview: US 6,112,239 A Title: System and method for server-side optimization of data delivery on a distributed computer network Patent number: US 6,112,239 A Application number: US 08/878,385 Inventors: Brian Kenner; Kenneth W…

    View full analysis →added 9/21/2026
  • US6116225
    0 cases1/8 sections

    Patent Overview — US 6,116,225 B1 Title: Laminar flow nozzle Patent number: US6116225A Application number: US09/080,177 Filing/priority date: 1998-05-16 Publication (grant) date: 2000-09-12 Anticipated expiration: 2018-05-16 Legal status…

    View full analysis →added 9/21/2026
  • US6119236
    0 cases1/8 sections

    Patent Overview — US 6,119,236 Title: Intelligent network security device and method Patent number: US6119236A. Application number: US09/210,057. Inventor: Peter M. Shipley. Original assignee: Individual. Current assignee (as listed, with…

    View full analysis →added 9/23/2026
  • US6119935
    0 cases1/8 sections

    Patent Overview — US 6,119,935 A Title: "Shopping cart mounted portable data collection device with tethered dataform reader" Bibliographic data (from supplied text): - Patent number: US 6,119,935 A - Application number: US 08/770,690 -…

    View full analysis →added 9/24/2026
  • US6120007
    0 cases1/8 sections

    Patent Overview — US 6120007 A Title: Carburetor with color-coded interchangeable components Patent number: US 6120007 A (application US09/047,072) Inventor: Barry Grant. Original assignee: Individual. Current assignee (as listed, per…

    View full analysis →added 9/23/2026
  • US6120135
    0 cases1/8 sections

    Patent Overview — US 6,120,135 A Title: "Printhead having heating element conductors arranged in spaced apart planes and including heating elements having a substantially constant cross-sectional area in the direction of current flow"…

    View full analysis →added 9/23/2026
  • US6120280
    0 cases1/8 sections

    Patent Overview — US 6,120,280 A Title: Microprism master mold Assignee: Nippon Carbide Industries Co., Inc. (original assignee: Nippon Carbide Kogyo Kabushiki Kaisha) Inventors: Ikuo Mimura; Keiji Adachi Priority date: 1995-07-28 Filing…

    View full analysis →added 9/23/2026
  • US6125565
    0 cases1/8 sections

    Patent Overview — US 6125565 A Title: Outdoor menu display device Assignee: Marketing Displays Inc. (listed as both original and current assignee; the source notes assignee listings "may be inaccurate" and that no assignee analysis was…

    View full analysis →added 9/23/2026
  • US6128279
    0 cases1/8 sections

    Patent Overview — US6128279A Title: System for balancing loads among network servers Patent number: US6128279A (application US09/164,499) Inventors: Kevin M. O'Neil, Robert F. Nerz, Robert R. Aubin Original assignee: Web Balance Inc. The…

    View full analysis →added 9/23/2026
  • US6129276
    0 cases1/8 sections

    Patent Overview — US6129276A Title: Shopping cart mounted portable data collection device with tethered dataform reader Patent number: US6129276A Inventors: William M. Jelen; Timothy P. O'Hagan Original assignee: Telxon Corp. Current…

    View full analysis →added 9/24/2026
  • US6131730
    0 cases1/8 sections

    Patent Overview — US 6,131,730 A Title: Stackable container case Patent number: US 6,131,730 A Application number: US 09/309,932 Inventor: Roger S. Hsu Original assignee / current assignee (as listed): Rehrig Pacific Company (Rehrig…

    View full analysis →added 9/23/2026
  • US6132053
    0 cases1/8 sections

    Patent Overview — US 6,132,053 Title: Optimized highly efficient large area modular flat panel display lighting device Patent number: US 6,132,053 (US6132053A) Application number: US09/097,688 Inventor: Mariana Sendova Assignee: Baker…

    View full analysis →added 9/23/2026
  • US6133853
    0 cases1/8 sections

    Patent Overview — US6133853A Title: Personal communication and positioning system Patent number: US6133853A Application number: US09/126,936 Inventors: Michael L. Obradovich, John Pirtle, Corena Dusek Original assignee: American Calcar Inc…

    View full analysis →added 9/23/2026
  • US6139131
    0 cases1/8 sections

    Patent Overview: US6139131A — "High drop generator density printhead" Bibliographic data (from supplied text). Patent number US6139131A; application US09/386,028; filing date 1999-08-30; priority date 1999-08-30; publication/grant date…

    View full analysis →added 9/23/2026