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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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  • US5215087
    0 cases1/8 sections

    Patent Overview — US 5215087 A Title: Biomedical electrode construction Patent number: US 5,215,087 A Application number: US 07/686,049 Inventors: Clifford J. Anderson; Jerome E. Strand Original assignee: Minnesota Mining and Manufacturing…

    View full analysis →added 9/23/2026
  • US5224120
    0 cases1/8 sections

    Patent Overview — US 5,224,120 A Title: "Dynamic capacity allocation CDMA spread spectrum communications" Inventor: Donald L. Schilling Assignee of record in the excerpt: InterDigital Technology Corp. (original assignee); earlier…

    View full analysis →added 9/21/2026
  • US5225473
    0 cases1/8 sections

    Patent Overview: US5225473A — Pressure-Sensitive Adhesives Title: Pressure-sensitive adhesives Patent number: US5225473A Application number: US07/866,207 Inventor: Daniel C. Duan Original assignee: Minnesota Mining and Manufacturing Co…

    View full analysis →added 9/23/2026
  • US5228074
    0 cases1/8 sections

    Patent Overview: US5228074A — Dual Mode Cellular Telephone Apparatus Title: Dual mode cellular telephone apparatus Patent number / application: US5228074A; application US07/684,774 Inventor: Semyon Mizikovsky Assignee (per source)…

    View full analysis →added 9/23/2026
  • US5236215
    0 cases1/8 sections

    Patent Overview — US 5,236,215 A Title: Trailer hitch coupling guide Inventor: Thomas S. Wylie Assignee: Individual (no corporate assignee listed) Application No.: US 07/914,316 Priority/Filing Date: 1992-07-17 Publication (Grant) Date…

    View full analysis →added 9/23/2026
  • US5236707
    0 cases1/8 sections

    Patent Overview: US 5,236,707 — "Stabilization of Human Interferon" Bibliographic data (per supplied text): US Patent 5,236,707; application US07/790,670; inventor William E. Stewart II; original assignee Dallas Biotherapeutics, Inc…

    View full analysis →added 9/23/2026
  • US5241503
    0 cases1/8 sections

    Patent Overview — US 5,241,503 A Title: Dynamic random access memory with improved page-mode performance and method therefor having isolator between memory cells and sense amplifiers. Patent number / application: US 5,241,503 A…

    View full analysis →added 9/21/2026
  • US5241537
    0 cases1/8 sections

    US 5,241,537 — Patent Overview Title: Conventional base station interface architecture for RF trunking multisite switch Patent number: US 5,241,537 A Application number: US 07/709,987 Inventors: Philip C. Gulliford, Charles P. Brame, Wim…

    View full analysis →added 9/23/2026
  • US5247575
    0 cases1/8 sections

    Patent Overview: US 5,247,575 A — "Information Distribution System" Title: Information distribution system Patent number: US 5,247,575 A Application number: US07/874,991 Inventors: Peter J. Sprague; Thomas H. Lipscomb Original assignee…

    View full analysis →added 9/23/2026
  • US5257257
    0 cases1/8 sections

    Patent Overview — US 5257257 A Title: Method of controlling the operation of a packet switched CDMA communication network for controlling the operation of transmitters and receivers. Patent number / application: US5257257A; application…

    View full analysis →added 9/21/2026
  • US5257387
    0 cases1/8 sections

    Patent Overview: US5257387A Title: Computer implemented method and apparatus for dynamic and automatic configuration of a computer system and circuit boards including computer resource allocation conflict resolution. Assignee/Inventor…

    View full analysis →added 9/23/2026
  • US5260999
    0 cases1/8 sections

    Patent Overview — US5260999A Title: Filters in License Management System (source as given). Patent number / application: US5260999A; application US07/946,009, filed 1992-09-15; granted and published 1993-11-09. Inventor / assignees: Robert…

    View full analysis →added 9/23/2026
  • US5262391
    0 cases1/8 sections

    Patent Overview: US5262391A Title: Oxide superconductor and process for preparation thereof Patent number: US5262391A Application number: US07/635,628 Inventor(s): Mitsuru Morita; Katsuyoshi Miyamoto; Kiyoshi Sawano; Shouichi Matsuda…

    View full analysis →added 9/23/2026
  • US5264822
    0 cases1/8 sections

    Patent Overview — US 5264822 A Title: System for transmitting audio advertising messages to shopping carts moving through spatially defined transmission zones arranged in a store. Patent number / application: US 5264822 A; application…

    View full analysis →added 9/24/2026
  • US5268461
    0 cases1/8 sections

    US5268461A — Alkylated oligosaccharides and acetyl derivatives of the same Bibliographic data (from the supplied source): Application US07/834,305; priority date 1990‑06‑27; filing date 1991‑06‑27; granted/publication date 1993‑12‑07…

    View full analysis →added 9/23/2026
  • US5280477
    0 cases1/8 sections

    Patent Overview — US 5,280,477 Title: Network synchronous data distribution system Patent number / application: US 5,280,477 A; Application US07/929,920 Inventor: Timothy J. Trapp Original assignee: E Systems Inc (assignment recorded to…

    View full analysis →added 9/23/2026
  • US5287266
    0 cases1/8 sections

    Patent Overview: US5287266A Title: Intelligent shopping cart system having cart position determining capability Patent number: US5287266A Application number: US08/045,826 Inventor(s): John Malec; Joseph P. Moser Original assignee…

    View full analysis →added 9/24/2026
  • US5289351
    0 cases1/8 sections

    Patent Overview — US 5,289,351 ("Backlighting Device") - Patent number: US 5,289,351 A - Title: Backlighting device - Inventors: Keiji Kashima, Osamu Shoji, Naoki Yoshida - Assignee: Tosoh Corporation - Priority date: 1991-03-22; Filed…

    View full analysis →added 9/23/2026
  • US5293930
    0 cases1/8 sections

    Patent Overview — US 5,293,930 A Title: Surface-to-air heat exchanger for electronic devices Inventor: Martin J. Pitasi Original Assignee: Hewlett-Packard Company (current assignee of record: HP Inc.) Application No.: US 07/950,207 | Filed…

    View full analysis →added 9/23/2026
  • US5295064
    0 cases1/8 sections

    Patent Overview: US5295064A Title: Intelligent shopping cart system having cart position determining and service queue position securing capability Patent number: US5295064A Application number: US07/435,500 Inventors: John Malec; Joseph P…

    View full analysis →added 9/24/2026