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Patent invalidity dossiers.

7,163 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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  • US6315398
    0 cases1/8 sections

    Patent Overview — US 6,315,398 B1 Title: Thermal ink jet heater design Patent number / application: US 6,315,398 B1; application US 07/963,969 Assignee: Xerox Corp (original and current assignee as listed) Key dates: - Priority / filing…

    View full analysis →added 9/23/2026
  • US6317594
    0 cases1/8 sections

    Patent Overview — US 6,317,594 B1 Title: System and method for providing data to a wireless device upon detection of activity of the device on a wireless network Patent number: US6317594B1 Application number: US09/399,012 Inventors…

    View full analysis →added 9/20/2026
  • US6317707
    0 cases1/8 sections

    Patent Overview Title: Automatic clustering of tokens from a corpus for grammar acquisition Patent No.: US6317707B1 Application No.: US09/207,326 Inventors: Srinivas Bangalore; Giuseppe Riccardi Original Assignee: AT&T Inc. Current…

    View full analysis →added 9/23/2026
  • US6321336
    0 cases1/8 sections

    US6321336B1 — System and Method for Redirecting Network Traffic to Provide Secure Communication Bibliographic data (as supplied): Patent number US6321336B1; application US09/042,293; inventors John Applegate and Jeff Romatoski; original…

    View full analysis →added 9/23/2026
  • US6334062
    0 cases1/8 sections

    US6334062B1 — Patent Overview Title: Portable communications and data terminal operating to optimize receipt of both incoming CDPD and AMPS messages Patent number: US6334062B1 Application number: US08/487,043 Inventor: Russell P. Cashman…

    View full analysis →added 9/23/2026
  • US6339401
    0 cases1/8 sections

    Patent Overview: US 6,339,401 B2 Title: Antenna for portable radio Assignee: Yokowo Co., Ltd. (original and current assignee as listed) Inventor: Tadashi Oshiyama Priority date: 1998-12-22 | Filing date: 2000-12-12 | Publication date…

    View full analysis →added 9/23/2026
  • US6345300
    0 cases1/8 sections

    Patent Overview — US 6,345,300 B1 Title: Method and apparatus for detecting a user-controlled parameter from a client device behind a proxy Assignee: Intel Corp (original assignee; assignment recorded 1998-04-30) Inventors: Bikram Singh…

    View full analysis →added 9/21/2026
  • US6345336
    0 cases1/8 sections

    Patent Overview — US 6,345,336 B1 Title: Instruction cache memory includes a clock gate circuit for selectively supplying a clock signal to tag RAM to reduce power consumption Patent number: US 6,345,336 B1 Inventor: Masafumi Takahashi…

    View full analysis →added 9/21/2026
  • US6349336
    0 cases1/8 sections

    Patent Overview — US 6,349,336 B1 Title: Agent/proxy connection control across a firewall Patent number / application: US 6,349,336 B1; Application US09/504,157 Inventors: Eric N. Sit, James Clough, Dean S. Nelson Assignee: Hewlett-Packard…

    View full analysis →added 9/23/2026
  • US6362178
    0 cases1/8 sections

    Patent Overview: US6362178B1 Title: 2-phenyl substituted imidazotriazinones as phosphodiesterase inhibitors Assignee: Original assignee Bayer AG; current assignee listed as Bayer Intellectual Property GmbH (the source notes listed…

    View full analysis →added 9/21/2026
  • US6362610
    0 cases1/8 sections

    Patent Overview — US 6,362,610 B1 Title: Universal USB power supply unit Inventor: Fu-I Yang Assignee: Individual (original and current assignee listed) Application No.: US 09/928,685 Priority/Filing Date: 2001-08-14 Publication (Grant)…

    View full analysis →added 9/24/2026
  • US6363056
    0 cases1/8 sections

    Patent Overview — US6363056B1 Title: Low overhead continuous monitoring of network performance Patent number: US6363056B1 Application number: US09/115,438 Inventors: Mandis Sadr Mohammad Beigi; Raymond Byars Jennings; Dinesh Chandra Verma…

    View full analysis →added 9/23/2026
  • US6363065
    0 cases1/8 sections

    Patent Overview — US6363065B1 Title: "Apparatus for a voice over IP (VoIP) telephony gateway and methods for use therein" Patent number / application: US6363065B1; Application US09/437,644, filed 1999-11-10. Inventors: Timothy R. Thornton…

    View full analysis →added 9/23/2026
  • US6363345
    0 cases1/8 sections

    Patent Overview — US 6,363,345 B1 Title: System, method and apparatus for cancelling noise Patent number: US6363345B1 (application US09/252,874) Inventors: Joseph Marash; Baruch Berdugo Assignee of record (current, per listing): Andrea…

    View full analysis →added 9/23/2026
  • US6370137
    0 cases1/8 sections

    Patent Overview — US 6,370,137 B1 Title: "Method and apparatus for providing broadband access conferencing services" Patent number / application: US 6,370,137 B1; Application No. US 09/366,031. Assignee: Original assignee listed as…

    View full analysis →added 9/23/2026
  • US6374300
    0 cases1/8 sections

    Patent Overview: US6374300B2 Title: Method and system for storing load balancing information with an HTTP cookie Patent Number / Application: US6374300B2 (Application No. US09/353,335) Inventor: Richard R. Masters Original Assignee: F5…

    View full analysis →added 9/23/2026
  • US6377810
    0 cases1/8 sections

    Patent Overview — US 6,377,810 B1 Title: Method of operation of mobile wireless communication system with location information Patent number / application: US 6,377,810 B1; Application US09/330,739, filed 1999-06-11. Priority date listed…

    View full analysis →added 9/23/2026
  • US6380854
    0 cases1/8 sections

    Patent Overview — US 6380854 B1 Title: Remote Alarm Tester Inventors: Eric Hagerman; Steve Carrick Original/Current Assignee: Individual Application No.: US09/584,681 Priority/Filing Date: 2000-05-31 Publication (Grant) Date: 2002-04-30…

    View full analysis →added 9/23/2026
  • US6386674
    0 cases1/8 sections

    Patent Overview — US 6,386,674 B1 Title: Independent power supplies for color inkjet printers Patent number / application: US 6,386,674 B1; application US09/429,942, filed 1999-10-29. Assignee / inventors: Original assignee Hewlett-Packard…

    View full analysis →added 9/17/2026
  • US6392727
    0 cases1/8 sections

    Patent Overview — US 6,392,727 B1 Title: Reduced reflectance polarized display Patent number / application: US 6,392,727 B1; Application US09/224,591 Inventors: Brent D. Larson; Elias S. Haim Assignee / current assignee (as listed)…

    View full analysis →added 9/23/2026