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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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  • US5634012
    0 cases1/8 sections

    Patent Overview: US 5,634,012 Title: System for controlling the distribution and use of digital works having a fee reporting mechanism Patent number: US 5,634,012 A Application number: US08/344,773 Inventors: Mark J. Stefik, Ralph C…

    View full analysis →added 9/23/2026
  • US5638443
    0 cases1/8 sections

    Patent Overview — US 5,638,443 A Title: System for controlling the distribution and use of composite digital works Patent number: US 5,638,443 A (application US 08/344,776) Inventors: Mark J. Stefik, Daniel G. Bobrow, Peter L. T. Pirolli…

    View full analysis →added 9/23/2026
  • US5638518
    0 cases1/8 sections

    Patent Overview: US5638518A Title: Node loop core for implementing transmission protocol in fibre channel Patent Number: US5638518A Application Number: US08/327,748 Inventor: Srinivasa R. Malladi Original Assignee: LSI Logic Corp (current…

    View full analysis →added 9/23/2026
  • US5641219
    0 cases1/8 sections

    Patent Overview — US5641219A Title: Uniform illumination light emitting device Patent number: US5641219A (application US08/480,929) Inventor: Tatsuji Mizobe Assignee: Individual (original assignee: Individual) Key dates: Priority date…

    View full analysis →added 9/23/2026
  • US5642337
    0 cases1/8 sections

    Patent Overview — US 5,642,337 Title: Network with optical mass storage devices Patent number: US 5,642,337 A Inventors: Orhun Oskay, Sanjay Kapoor, Phillip Hiroshige Assignees: Sony Corp; Sony Electronics Inc (original and current…

    View full analysis →added 9/21/2026
  • US5644342
    0 cases1/8 sections

    US 5,644,342 — "Addressing System for an Integrated Printhead" - Patent number: US 5,644,342 A - Inventor: Dimitri Argyres - Original assignee: Hewlett-Packard Co.; current assignee listed as Hewlett-Packard Development Co. LP - Priority…

    View full analysis →added 9/24/2026
  • US5644662
    0 cases1/8 sections

    Patent Overview: US5644662A Title: Multiple processing of radiographic images based on a pyramidal image decomposition Patent number: US5644662A Application number: US08/412,355 Inventor: Pieter Paul Vuylsteke Original assignee: Agfa…

    View full analysis →added 9/24/2026
  • US5648955
    0 cases1/8 sections

    Patent Overview — US5648955A Title: Method for power control in a TDMA spread spectrum communication system Patent number: US5648955A | Application number: US08/480,898 Inventor(s): Ryan N. Jensen, Logan Scott, Claude M. Williams Original…

    View full analysis →added 9/23/2026
  • US5649754
    0 cases1/8 sections

    Patent Overview — US 5,649,754 A Title: "Illuminating apparatus and a method of manufacturing an edge light conductor for use therein" Patent number: US5649754A. Application number: US08/372,102. Inventor: Iwao Matsumoto. Assignee…

    View full analysis →added 9/23/2026
  • US5651766
    0 cases1/8 sections

    Patent Overview — US 5,651,766 A Title: Blood collection and separation system Patent number / application: US 5,651,766 A (application US08/482,617) Assignee of record (as listed): Original assignee Transfusion Technologies Corp.; current…

    View full analysis →added 9/23/2026
  • US5652751
    0 cases1/8 sections

    Patent Overview: US5652751A Title: Architecture for mobile radio networks with dynamically changing topology using virtual subnets Patent number / application: US5652751A; Application US08/624,730 Inventor: Jacob Sharony Assignee: Original…

    View full analysis →added 9/23/2026
  • US5652916
    0 cases1/8 sections

    I'll search for authoritative information on this patent, including any litigation or docket activity. Let me check for litigation/docket activity and confirm the full claim set. Let me confirm the remaining independent claims (the buffer…

    View full analysis →added 8/27/2026
  • US5655077
    0 cases1/8 sections

    Patent Overview: US5655077A Title: Method and system for authenticating access to heterogeneous computing services Patent number: US5655077A Application number: US08/356,071 Inventors: Gregory A. Jones, Robert M. Price, William L. Veghte…

    View full analysis →added 9/21/2026
  • US5655830
    0 cases1/8 sections

    Patent Overview — US5655830A Title: Lighting device Patent number: US5655830A Application number: US08/424,146 Inventor: Charles R. Ruskouski Dates: - Priority date: 1993-12-01 (claimed from US08/160,583) - Filing date: 1995-04-17 -…

    View full analysis →added 9/23/2026
  • US5657077
    0 cases1/8 sections

    Patent Overview: US 5,657,077 A Title: Event recording system with digital line camera Patent number: US 5,657,077 A Application number: US08/019,222 Inventors: Douglas J. DeAngelis; Kirk Sigel; Mike Ciholas Original assignee: Individual…

    View full analysis →added 9/21/2026
  • US5657641
    0 cases1/8 sections

    Patent Overview — US5657641A Title: Panel mounted cooling system Patent number: US5657641A Application number: US08/527,878 Inventors: James J. Cunningham; Boris Muzikant; Solomon Reznik Original assignee / current assignee (as listed)…

    View full analysis →added 9/23/2026
  • US5657843
    0 cases1/8 sections

    Patent Overview — US 5,657,843 Title: Press drive with oil shear clutch/brake drives Patent number: US5657843A Application number: US08/523,279 Inventor: Gordon Maurice Sommer Assignee: Midwest Brake Bond Co (original and current assignee…

    View full analysis →added 9/23/2026
  • US5661016
    0 cases1/8 sections

    Patent Overview — US 5,661,016 Title: Transgenic non-human animals capable of producing heterologous antibodies of various isotypes. Patent number / application: US5661016A; application US08/053,131, filed 1993-04-26; granted and published…

    View full analysis →added 9/23/2026
  • US5661130
    0 cases1/8 sections

    Patent Overview: US5661130A — "Absorption Enhancers for Drug Administration" Bibliographic data (as supplied): US Patent 5,661,130A; application US08/083,074; filed 1993-06-24; priority date 1993-06-24 (assumption noted in source)…

    View full analysis →added 9/23/2026
  • US5664862
    0 cases1/8 sections

    Patent Overview: US5664862A — "Edge Light for Panel Display" Source: https://patents.google.com/patent/US5664862/en (excerpted; consult source for omitted text) Identification and dates. US5664862A (application US08/694,833) is titled…

    View full analysis →added 9/23/2026