The catalog

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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  • US6009450
    0 cases1/8 sections

    Patent Overview — US 6009450 Title: Finite field inverse circuit Patent No.: US 6009450 A Application No.: US 08/997,943 Inventors: James Douglas Dworkin, P. Michael Glaser, Michael John Torla, Ashok Vadekar, Robert John Lambert, Scott…

    View full analysis →added 9/21/2026
  • US6009469
    0 cases1/8 sections

    Patent Overview — US 6009469A Title: Graphic user interface for internet telephony application Patent number / application: US 6009469A; application US08/721,316; filed 1996-09-25; published 1999-12-28. Priority date: 1995-09-25 (as…

    View full analysis →added 9/21/2026
  • US6009475
    0 cases1/8 sections

    Patent Overview — US 6009475 A Title: Filter rule validation and administration for firewalls Identifiers and dates (per source): - Patent number: US 6009475 A - Application number: US08/773,543; filed 1996-12-23 - Prior art date /…

    View full analysis →added 9/21/2026
  • US6009488
    0 cases1/8 sections

    Patent Overview: US6009488A Title: Computer having packet-based interconnect channel Patent number: US6009488A Application number: US08/965,760 Inventor: Gautam Kavipurapu Original/Current Assignee: Microlinc LLC Priority/Filing date…

    View full analysis →added 9/23/2026
  • US6011602
    0 cases1/8 sections

    Patent Overview — US6011602A Title: Lighting apparatus with a light guiding body having projections in the shape of a trapezoid Patent number: US6011602A (application US08/860,631) Original assignee: Seiko Epson Corp. Current assignee…

    View full analysis →added 9/23/2026
  • US6014090
    0 cases1/8 sections

    Patent Overview — US6014090A Title: Method and apparatus for delivering local information to travelers Patent number / application: US6014090A; application US08/995,623 Inventors: Kenneth H. Rosen; Steven Charles Salimando Original…

    View full analysis →added 9/23/2026
  • US6014370
    0 cases1/8 sections

    Patent Overview — US 6,014,370 A Title: Apparatus for bridging between fibre channel networks and ATM network Patent number: US 6,014,370 A Application number: US09/252,033 Inventors: Shigehisa Komatsu, Kazuhiro Sato, Yuuichi Naruse…

    View full analysis →added 9/23/2026
  • US6016311
    0 cases1/8 sections

    Patent Overview — US 6016311A Title: Adaptive time division duplexing method and apparatus for dynamic bandwidth allocation within a wireless communication system Patent number: US 6016311A Application number: US08/974,376 Inventors…

    View full analysis →added 9/23/2026
  • US6019907
    0 cases1/8 sections

    Patent Overview: US 6,019,907 Title: Forming refill for monolithic inkjet printhead Patent Number: US 6,019,907 A Inventor: Naoto Kawamura Original Assignee: Hewlett-Packard Company (current listed assignee: Hewlett-Packard Development Co…

    View full analysis →added 9/23/2026
  • US6020923
    0 cases1/8 sections

    US6020923A — Patent Overview Title: Method and apparatus for coding and recording an image signal and recording medium for storing an image signal Patent number: US6020923A Application number: US08/882,889 Inventors: Kazuhisa Hosaka…

    View full analysis →added 9/23/2026
  • US6021439
    0 cases1/8 sections

    I'll search for litigation and docket information on this specific patent number, then summarize. Let me run a few more targeted searches to check for litigation, PTAB proceedings, and current ownership. Search result: no litigation found…

    View full analysis →added 9/23/2026
  • US6027221
    0 cases1/8 sections

    Patent Overview — US 6,027,221 A Title: Surface light source device of side light type and mold for light guide plate employed in the device Assignee/Inventor data (as listed in the source): Original assignee Enplas Corp; Yasuhiro Koike…

    View full analysis →added 9/23/2026
  • US6031985
    0 cases1/8 sections

    Patent Overview — US6031985A Title: Method, apparatus and system for analyzing failure of measured device Patent number: US6031985A | Application number: US08/778,274 Inventor: Eiji Yoshida | Original/current assignee: Mitsubishi Electric…

    View full analysis →added 9/23/2026
  • US6032259
    0 cases1/8 sections

    Patent Overview: US 6032259 Title: Secure network authentication server via dedicated serial communication path Patent number: US 6,032,259 B1 Inventor: Kazuo Nemoto Original assignee: International Business Machines Corp. (IBM); the…

    View full analysis →added 9/23/2026
  • US6035327
    0 cases1/8 sections

    Patent Overview: US6035327A Title: SMTP extension to preserve per-message and per-recipient properties Patent number: US6035327A Application number: US08/987,338 Inventors: David Buckley, Donald Gordon Brown, Wayne Merl Cranston Original…

    View full analysis →added 9/23/2026
  • US6036329
    0 cases1/8 sections

    Patent Overview — US 6036329 A Title: Flat light source and passive display utilizing bypass light guide Patent number: US 6036329 A Application number: US 09/268,861 Inventor: Keiji Iimura Assignee: Individual (original and current…

    View full analysis →added 9/23/2026
  • US6037936
    0 cases1/8 sections

    Patent Overview: US6037936A Title: Computer vision system with a graphic user interface and remote camera control Patent number: US6037936A Application number: US08/662,219 Filing date: 1996-06-12 Publication/grant date: 2000-03-14…

    View full analysis →added 9/16/2026
  • US6038605
    0 cases1/8 sections

    US 6038605 — Patent Overview Title: Method and apparatus for interfacing two remotely disposed devices coupled via a transmission medium Patent number: US 6038605 A Application number: US08/947,926 Filing date: 1997-10-09 Publication…

    View full analysis →added 9/23/2026
  • US6042081
    0 cases1/8 sections

    Patent Overview — US 6,042,081 Title: Diaphragm operated process flow valve Assignee: Anderson Controls LC (original and current assignee listed). Inventor: R. David Anderson. Key dates: Filing/priority date 1998-12-29; granted and…

    View full analysis →added 9/21/2026
  • US6043979
    0 cases1/8 sections

    Patent Overview — US 6043979 A Title: Heat-discharging LCD monitor Assignee/Inventor: Samsung Electronics Co., Ltd.; inventor Jae-Soo Shim Key dates: Korean priority 1996-12-04 (Ser. No. 1996/61632); US filing 1997-12-04 (App. No…

    View full analysis →added 9/23/2026