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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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  • US5768530
    0 cases1/8 sections

    Patent Overview: US 5,768,530 Title: High speed integrated circuit interface for fibre channel communications Patent number: US 5,768,530 A Application number: US08/580,508 Inventor: Miklos A. Sandorfi Assignee: EMC Corporation…

    View full analysis →added 9/23/2026
  • US5769522
    0 cases1/8 sections

    Patent Overview — US 5,769,522 A Title: Surface light source device Assignee: Enplas Corp (original and current assignee per the supplied record) Key dates (from the source): - Priority date: 1991-09-09 (claimed from JP1991080357U); a…

    View full analysis →added 9/23/2026
  • US5771328
    0 cases1/8 sections

    US 5,771,328 — Patent Overview Title: Light directing film having variable height structured surface and light directing article constructed therefrom Patent number: US 5,771,328 A Application number: US 08/832,132 Inventors: David L…

    View full analysis →added 9/23/2026
  • US5774660
    0 cases1/8 sections

    Patent Overview — US5774660A (from supplied excerpt only) Title: "World-wide-web server with delayed resource-binding for resource-based load balancing on a distributed resource multi-node network" Patent number: US5774660A Application…

    View full analysis →added 9/21/2026
  • US5775791
    0 cases1/8 sections

    Patent Overview — US 5,775,791 A Title: Surface emission apparatus Assignee/Current Assignee (per source): Nidec Precision Corp; original assignee Nidec Copal Corp Inventors: Yukio Yoshikawa; Shigekazu Nakamura Prior art date / Priority…

    View full analysis →added 9/23/2026
  • US5777989
    0 cases1/8 sections

    Patent Overview — US 5,777,989 Title: TCP/IP host name resolution for machines on several domains Assignee: International Business Machines Corp. (IBM), original assignee; inventor John Ryan McGarvey. Dates: Priority/filing date…

    View full analysis →added 9/21/2026
  • US5778989
    0 cases1/8 sections

    Patent Overview — US 5,778,989 A Title: Screw driving tool Assignee: Hilti AG (original and current assignee per the listing) Inventor: Anton Neumaier Priority date: 1995-07-26 · Filed: 1996-07-26 · Granted/Published: 1998-07-14 ·…

    View full analysis →added 9/21/2026
  • US5781889
    0 cases1/8 sections

    Summary — US Patent 5,781,889 ("US5781889A") Bibliographic data (from Google Patents record, fetched 2026-08-27) | Field | Value | |---|---| | Title | Computer jukebox and jukebox network | | Patent / Publication No. | US 5,781,889 A…

    View full analysis →added 8/27/2026
  • US5789732
    0 cases1/8 sections

    Patent Overview: US 5,789,732 A Title: Portable data module and system for consumer transactions Patent number / application: US 5,789,732 A; Application US08/663,025. Inventors: Steven A. McMahon, Alexander M. McQueen, Matt D. Schler…

    View full analysis →added 9/23/2026
  • US5789800
    0 cases1/8 sections

    Patent Overview: US5789800A Title: Bipolar transistor having an improved epitaxial base region Patent number: US5789800A Application number: US08/785,611 (filed 1997-01-17) Priority date: 1996-01-17 Publication/grant date: 1998-08-04…

    View full analysis →added 9/23/2026
  • US5791865
    0 cases1/8 sections

    Patent Overview — US 5,791,865 Title: Bag palletizer Patent number: US 5,791,865 A Inventor: Rod W. Bublitz Assignee: Individual (original assignee: Individual) Application number: US 08/713,784 Priority/filing date: 1996-09-13 (also…

    View full analysis →added 9/23/2026
  • US5793052
    0 cases1/8 sections

    Patent Overview — US 5,793,052 A Title: Dual stage following method and apparatus Assignee / Inventor: Original assignee and current assignee listed as Nikon Corp; inventor Ryoichi Kawaguchi. A related JP priority filing JP10066401A…

    View full analysis →added 9/23/2026
  • US5794207
    0 cases1/8 sections

    Patent Overview: US 5,794,207 A Title: Method and apparatus for a cryptographically assisted commercial network system designed to facilitate buyer-driven conditional purchase offers Patent number: US 5,794,207 A Application number: US…

    View full analysis →added 9/23/2026
  • US5797668
    0 cases1/8 sections

    Patent Overview — US 5,797,668 A Title: Surface illumination device suitable for a backlit display Patent number: US5797668A Application number: US08/832,047 Filing date: 1997-04-02 Priority date: 1996-04-04 Publication (grant) date…

    View full analysis →added 9/23/2026
  • US5799067
    0 cases1/8 sections

    Patent Overview: US5799067A — Smart Phone Integration with Computer Systems Title: Smart phone integration with computer systems Patent number: US5799067A (application US08/873,857) Inventors: Dan Kikinis; Pascal Dornier; William J. Seiler…

    View full analysis →added 9/23/2026
  • US5799277
    0 cases1/8 sections

    Patent Overview — US 5,799,277 A Title: Acoustic model generating method for speech recognition Patent number / application: US 5,799,277 A (application US 08/547,794) Assignee: Victor Company of Japan, Ltd. (original assignee listed)…

    View full analysis →added 9/24/2026
  • US5802320
    0 cases1/8 sections

    Patent Overview: US 5,802,320 A Title: "System for packet filtering of data packets at a computer network interface" Assignee: Sun Microsystems, Inc. (original assignee; listed current assignee is also Sun Microsystems Inc). Key dates (per…

    View full analysis →added 9/23/2026
  • US5805500
    0 cases1/8 sections

    Patent Overview — US5805500A Title: Circuit and method for generating a read reference signal for nonvolatile memory cells Assignee/Applicant of record: Original assignee SGS Thomson Microelectronics SRL; later assignments listed to…

    View full analysis →added 9/23/2026
  • US5807512
    0 cases1/8 sections

    Patent Overview — US 5,807,512 Title: Carburetor with replaceable booster venturis Patent number: US5807512A Application number: US08/824,420 Inventor: Barry Grant Original assignee: Individual Current assignee (as listed): Holley…

    View full analysis →added 9/23/2026
  • US5808784
    0 cases1/8 sections

    Patent Overview: US5808784A Title: Lens array sheet surface light source, and transmission type display device Patent number: US5808784A Assignee: Dai Nippon Printing Co., Ltd. (original and current assignee as listed) Inventors: Rika…

    View full analysis →added 9/23/2026