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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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  • US5851062
    0 cases1/8 sections

    Patent Overview — US5851062A Title: Prism sheet for surface light source Patent number: US5851062A Application number: US08/694,695 Inventors: Masayuki Shinohara, Yutato Okuno, Shigeru Aoyama Assignee: Omron Corporation (original and…

    View full analysis →added 9/23/2026
  • US5852721
    0 cases1/8 sections

    Patent Overview — US5852721A Title: "Method and apparatus for selectively retrieving information from a source computer using a terrestrial or satellite interface." Patent number / application: US5852721A; Application US08/797,505…

    View full analysis →added 9/24/2026
  • US5856971
    0 cases1/8 sections

    US5856971A — Patent Overview Title: "Code division multiple access system providing variable data rate access to a user" Patent number: US5856971A (application US08/504,481) Assignee: AT&T Inc (original and current assignee per the source…

    View full analysis →added 9/23/2026
  • US5857147
    0 cases1/8 sections

    US5857147A — Patent Overview Title: Method and apparatus for determining the transmission data rate in a multi-user communication system Patent number: US5857147A Application number: US08/575,049 Assignee: Qualcomm Inc (original and…

    View full analysis →added 9/21/2026
  • US5857190
    0 cases1/8 sections

    Patent Overview — US5857190A Title: Event logging system and method for logging events in a network system Patent number / application: US5857190A; Application US08/675,463 Inventor: Matt Brown Original assignee: Microsoft Corp (assignment…

    View full analysis →added 9/20/2026
  • US5859850
    0 cases1/8 sections

    Patent Overview — US 5,859,850 Title: "Elastic store circuit for composite cells switched through an ATM network." Inventor: Robert Leroy Lien. Original assignee: Lucent Technologies Inc. Application number: US08/579,706. Prior art /…

    View full analysis →added 9/23/2026
  • US5867015
    0 cases1/8 sections

    Patent Overview: US 5,867,015 A Title: Low Drop-Out Voltage Regulator with PMOS Pass Element Assignee: Texas Instruments Incorporated (original and current assignee listed). Inventors: Marco Corsi, Robert B. Borden, Michael R. Kay, Nicolas…

    View full analysis →added 9/23/2026
  • US5870425
    0 cases1/8 sections

    Patent Overview — US 5,870,425 Title: Differential receiver of direct sequence spread spectrum signals Patent number: US 5,870,425 (application US08/747,260) Inventors: Bernard Piaget, Charles Fort, Patrick Le Masson Original assignee…

    View full analysis →added 9/23/2026
  • US5872044
    0 cases1/8 sections

    Patent Overview: US 5,872,044 — "Late Process Method for Trench Isolation" Source: https://patents.google.com/patent/US5872044/en Bibliographic data (as supplied): US Patent 5,872,044; application US08/733,368; filed 1996-10-17…

    View full analysis →added 9/23/2026
  • US5873108
    0 cases1/8 sections

    Patent Overview — US 5,873,108 A Title: Personal information manager information entry allowing for intermingling of items belonging to different categories within a single unified view Patent number / application: US 5,873,108 A…

    View full analysis →added 9/24/2026
  • US5876107
    0 cases1/8 sections

    Patent Overview — US 5,876,107 Title: Light emitting panel assemblies Patent number: US5876107A Application number: US08/778,734 Inventors: Jeffery R. Parker, Mark D. Miller, Daniel N. Kelsch Original assignee: Lumitex Inc. Current…

    View full analysis →added 9/23/2026
  • US5877794
    0 cases1/8 sections

    Patent Overview — US 5,877,794 A Title: Method for supplying ink to an ink jet recording device Assignee: Fuji Xerox Co., Ltd. (original assignee) Inventor: Jun Takagi Key dates (as listed): Priority date 1993-03-09; application US…

    View full analysis →added 9/23/2026
  • US5886630
    0 cases1/8 sections

    Patent Overview — US 5,886,630 A Title: Alarm and monitoring device for the presumption of bodies in danger in a swimming pool Assignee/Inventor: Individual; inventor Edouard Menoud. Key dates: Priority date 1994-06-09; application…

    View full analysis →added 9/23/2026
  • US5890291
    0 cases1/8 sections

    Patent Overview — US 5,890,291 A Title: Enclosed blade fixture for cutting hoses Patent number: US5890291A Application number: US08/850,475 Inventor: James E. Crum Original/current assignee: Crum Manufacturing Inc (a 2003 assignment to…

    View full analysis →added 9/23/2026
  • US5890791
    0 cases1/8 sections

    Patent Overview — US 5,890,791 A Title: "Light control sheet, surface light source unit and liquid crystal display device" Assignee/Applicant: Konica Minolta Inc. (listed as current assignee); originally assigned to KONICA CORPORATION via…

    View full analysis →added 9/23/2026
  • US5898668
    0 cases1/8 sections

    US 5,898,668 A — Overview Title: Method and system for increasing quality of service at or below a threshold cost Patent number: US5898668A Application number: US08/768,168 Inventor: Shmuel Shaffer Original assignee: Siemens Information…

    View full analysis →added 9/23/2026
  • US5898784
    0 cases1/8 sections

    Patent Overview: US5898784A — "Transferring encrypted packets over a public network" Bibliographic data (as supplied): Application US08/963,512; filed 1997-11-03; granted/publication date 1999-04-27; priority date 1996-01-16; original…

    View full analysis →added 9/21/2026
  • US5900982
    0 cases1/8 sections

    Patent Overview — US 5,900,982 A Title: High efficiency light valve projection system Patent number: US5900982A Application number: US08/963,016 Inventors: Eugene Dolgoff, Malcolm MacFarlane, Paul B. Christie Original/Current Assignee…

    View full analysis →added 9/23/2026
  • US5903433
    0 cases1/8 sections

    Patent Overview — US 5,903,433 A Title: Cooling system for telecommunications equipment arranged in a cabinet or similar Assignee: Telefonaktiebolaget LM Ericsson AB (original and current assignee listed) Inventor: Bjorn Gudmundsson Key…

    View full analysis →added 9/23/2026
  • US5903832
    0 cases1/8 sections

    Patent Overview — US5903832A Title: Mobile terminal having enhanced system selection capability Patent number / application: US5903832A; Application US08/576,260 Inventors: Jorma Seppanen, Juha Vaihoja, Mikko Lietsalmi, Jaakko Vanttila…

    View full analysis →added 9/23/2026