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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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US5362420
0 cases1/8 sections
Patent Overview: US 5,362,420 Title: Low impedance pressure sensitive adhesive composition and biomedical electrodes using same Patent Number: US 5,362,420 A Inventors: Steven K. Itoh, Timothy M. Dietz, Rosa Uy Original Assignee: Minnesota…
View full analysis →added 9/23/2026
US5363470
0 cases1/8 sections
Patent Overview — US 5,363,470 Title: "Displacing an optical lighting film's linear array of grooves to facilitate emission of light" Patent number / application: US 5,363,470 A; Application US 08/089,288 Inventor: David L. Wortman…
View full analysis →added 9/23/2026
US5365512
0 cases1/8 sections
Patent Overview: US 5,365,512 Title: Multisite trunked RF communication system with reliable control messaging network Patent number: US 5,365,512 A Application number: US 08/084,944 Inventors: Edward A. Combs; Dennis M. Maddox; Wim A…
View full analysis →added 9/23/2026
US5365524
0 cases1/8 sections
Patent Overview: US5365524A Title: "Establishing telecommunications call paths between clustered switching entities" Patent number: US 5,365,524 A Application number: US07/972,787 Inventors: Thomas L. Hiller, James J. Phelan, Meyer J. Zola…
View full analysis →added 9/23/2026
US5367627
0 cases1/8 sections
Patent Overview — US 5,367,627 A Title: Computer-assisted parts sales method Patent number: US5367627A Application number: US08/133,986 Inventor: Jerome D. Johnson Original assignee: Clear With Computers Inc Current assignee (listed)…
View full analysis →added 9/23/2026
US5369705
0 cases1/8 sections
Patent Overview — US 5369705 A Title: Multi-party secure session/conference Patent number / application: US 5369705 A (application US 07/892,852) Assignee: International Business Machines Corp. (original assignee; recorded assignment lists…
View full analysis →added 9/23/2026
US5375043
0 cases1/8 sections
US5375043A — "Lighting Unit": Patent Overview Bibliographic data (from supplied text): Title: "Lighting Unit." Patent number: US5375043A. Inventor: Makoto Tokunaga. Original and current assignee: Inoue Denki Co., Inc. Application number…
View full analysis →added 9/23/2026
US5377084
0 cases1/8 sections
Patent Overview — US 5,377,084 A Title: Surface illuminating apparatus Patent number: US 5,377,084 A Application number: US 08/130,187 Inventors: Takeshi Kojima; Shinpei Ninomiya Assignee: T. Chatani and Co., Ltd. (original assignee…
View full analysis →added 9/23/2026
US5377320
0 cases1/8 sections
Patent Overview: US 5,377,320 A Title: Method and apparatus for the rendering of trimmed NURB surfaces Assignee: Sun Microsystems, Inc. (original assignee; assignment recorded 1992-11-27). Inventors: Salim S. Abi-Ezzi and Srikanth…
View full analysis →added 9/23/2026
US5381309
0 cases1/8 sections
Patent Overview — US 5,381,309 Title: Backlit display with enhanced viewing properties Patent number: US5381309A (application US08/130,084) Inventor: Jerry L. Borchardt Assignee: Honeywell Inc. (original assignee; assignment recorded…
View full analysis →added 9/23/2026
US5381407
0 cases1/8 sections
Patent Overview — US 5,381,407 Title: Method and system for controlling user traffic to a fast packet switching system Patent number: US 5,381,407 A Application number: US 07/893,274 Inventor: Hung-Hsiang J. Chao Original assignee: Bell…
View full analysis →added 9/21/2026
US5384658
0 cases1/8 sections
Patent Overview: US5384658A Title: Plastic optical member and light-quantity-controlling member each having a light-diffusing layer on its surface Patent number: US5384658A (application US07/849,398) Assignee: OHNO Research & Development…
View full analysis →added 9/23/2026
US5384777
0 cases1/8 sections
Patent Overview — US 5,384,777 A ("Adaptive medium access control scheme for wireless LAN") Bibliographic data (from supplied text). Application US08/049,052; filed 1993-04-19; priority date 1993-04-19; granted/publication date 1995-01-24…
View full analysis →added 9/23/2026
US5385679
0 cases1/8 sections
Patent Overview — US 5,385,679 A Title: Solid state conductive polymer compositions, biomedical electrodes containing such compositions, and method of preparing same Assignee/Inventor: Original assignee Minnesota Mining and Manufacturing…
View full analysis →added 9/23/2026
US5385839
0 cases1/8 sections
Patent Overview — US 5,385,839 Title: Transfer vectors and microorganisms containing human cytomegalovirus immediate-early promoter regulatory DNA sequence Assignee: University of Iowa Research Foundation (UIRF), the original assignee…
View full analysis →added 9/23/2026
US5386347
0 cases1/8 sections
US5386347 — Patent Overview Title: Illuminating apparatus and a method of manufacturing an edge light conductor for use therein Patent number: US5386347A Inventor: Iwao Matsumoto Original/current assignee (per listing): Photo Craft Co Ltd…
View full analysis →added 9/23/2026
US5390436
0 cases1/8 sections
Patent Overview: US5390436A — "Display System" Title: Display system Patent number: US5390436A Application number: US08/030,416 Inventor: John Ashall Original/current assignee: Illumination Research Group Inc (also listed as Illumination…
View full analysis →added 9/23/2026
US5392419
0 cases1/8 sections
Patent Overview — US 5,392,419 Title: Language identification system and method for a peripheral unit Inventor: Sean E. Walton Original Assignee: Hewlett Packard Co. (current assignee listed as HP Inc.) Application No.: US07/825,479 |…
View full analysis →added 9/24/2026
US5393990
0 cases1/8 sections
Patent Overview — US 5393990 A ("HEMT structure") Bibliographic data (from the supplied text): Title: "HEMT structure." Inventor: Erhard Kohn. Original assignee: Siemens Corporate Research Inc.; current assignee listed as Infineon…
View full analysis →added 9/21/2026
US5396350
0 cases1/8 sections
Patent Overview — US 5,396,350 A Title: "Backlighting apparatus employing an array of microprisms." The reference designates Karl W. Beeson, Scott M. Zimmerman, and Paul M. Ferm as inventors. Original assignee is AlliedSignal Inc.; the…
View full analysis →added 9/23/2026