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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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US5844720
0 cases1/8 sections
US 5,844,720 — "Prism Sheet" (Overview) Title: Prism Sheet Patent number: US 5,844,720 Assignee/current assignee: Goyo Paper Working Co., Ltd. Inventors: Shuzo Ohara; Takumi Kosugi; Osamu Kawaguchi; Tetsuro Taen; Kenji Kawashima; Yu…
View full analysis →added 9/23/2026
US5845263
0 cases1/8 sections
Patent Overview — US5845263A Title: Interactive visual ordering system Patent number: US5845263A Application number: US08/491,582 Inventors: Allan J. Camaisa, E. Tracy Wadkins, Karen M. Gayda Original assignee / current assignee (per…
View full analysis →added 9/24/2026
US5845265
0 cases1/8 sections
US 5,845,265 — "Consignment Nodes" Bibliographic facts (from supplied source): - Patent number: US 5,845,265 A; application US 08/554,704. - Inventor: Thomas G. Woolston. Original assignee: MercExchange LLC. Current assignee(s) listed…
View full analysis →added 9/23/2026
US5848399
0 cases1/8 sections
Patent Overview: US 5,848,399 Title: Computer system for allowing a consumer to purchase packaged goods at home Patent number: US5848399A | Application: US08/686,755 | Inventor: Raymond R. Burke Dates (as listed): Priority 1993-11-30…
View full analysis →added 9/24/2026
US5850442
0 cases1/8 sections
Patent Overview: US5850442A Title: Secure world wide electronic commerce over an open network Patent Number: US5850442A Inventor: Sead Muftic Original Assignee: Entegrity Solutions Corp (current assignee listed as Intellectual Ventures II…
View full analysis →added 9/23/2026
US5851062
0 cases1/8 sections
Patent Overview — US5851062A Title: Prism sheet for surface light source Patent number: US5851062A Application number: US08/694,695 Inventors: Masayuki Shinohara, Yutato Okuno, Shigeru Aoyama Assignee: Omron Corporation (original and…
View full analysis →added 9/23/2026
US5852721
0 cases1/8 sections
Patent Overview — US5852721A Title: "Method and apparatus for selectively retrieving information from a source computer using a terrestrial or satellite interface." Patent number / application: US5852721A; Application US08/797,505…
View full analysis →added 9/24/2026
US5856971
0 cases1/8 sections
US5856971A — Patent Overview Title: "Code division multiple access system providing variable data rate access to a user" Patent number: US5856971A (application US08/504,481) Assignee: AT&T Inc (original and current assignee per the source…
View full analysis →added 9/23/2026
US5857147
0 cases1/8 sections
US5857147A — Patent Overview Title: Method and apparatus for determining the transmission data rate in a multi-user communication system Patent number: US5857147A Application number: US08/575,049 Assignee: Qualcomm Inc (original and…
View full analysis →added 9/21/2026
US5857190
0 cases1/8 sections
Patent Overview — US5857190A Title: Event logging system and method for logging events in a network system Patent number / application: US5857190A; Application US08/675,463 Inventor: Matt Brown Original assignee: Microsoft Corp (assignment…
View full analysis →added 9/20/2026
US5859850
0 cases1/8 sections
Patent Overview — US 5,859,850 Title: "Elastic store circuit for composite cells switched through an ATM network." Inventor: Robert Leroy Lien. Original assignee: Lucent Technologies Inc. Application number: US08/579,706. Prior art /…
View full analysis →added 9/23/2026
US5867015
0 cases1/8 sections
Patent Overview: US 5,867,015 A Title: Low Drop-Out Voltage Regulator with PMOS Pass Element Assignee: Texas Instruments Incorporated (original and current assignee listed). Inventors: Marco Corsi, Robert B. Borden, Michael R. Kay, Nicolas…
View full analysis →added 9/23/2026
US5870425
0 cases1/8 sections
Patent Overview — US 5,870,425 Title: Differential receiver of direct sequence spread spectrum signals Patent number: US 5,870,425 (application US08/747,260) Inventors: Bernard Piaget, Charles Fort, Patrick Le Masson Original assignee…
View full analysis →added 9/23/2026
US5872044
0 cases1/8 sections
Patent Overview: US 5,872,044 — "Late Process Method for Trench Isolation" Source: https://patents.google.com/patent/US5872044/en Bibliographic data (as supplied): US Patent 5,872,044; application US08/733,368; filed 1996-10-17…
View full analysis →added 9/23/2026
US5873108
0 cases1/8 sections
Patent Overview — US 5,873,108 A Title: Personal information manager information entry allowing for intermingling of items belonging to different categories within a single unified view Patent number / application: US 5,873,108 A…
View full analysis →added 9/24/2026
US5876107
0 cases1/8 sections
Patent Overview — US 5,876,107 Title: Light emitting panel assemblies Patent number: US5876107A Application number: US08/778,734 Inventors: Jeffery R. Parker, Mark D. Miller, Daniel N. Kelsch Original assignee: Lumitex Inc. Current…
View full analysis →added 9/23/2026
US5877794
0 cases1/8 sections
Patent Overview — US 5,877,794 A Title: Method for supplying ink to an ink jet recording device Assignee: Fuji Xerox Co., Ltd. (original assignee) Inventor: Jun Takagi Key dates (as listed): Priority date 1993-03-09; application US…
View full analysis →added 9/23/2026
US5886630
0 cases1/8 sections
Patent Overview — US 5,886,630 A Title: Alarm and monitoring device for the presumption of bodies in danger in a swimming pool Assignee/Inventor: Individual; inventor Edouard Menoud. Key dates: Priority date 1994-06-09; application…
View full analysis →added 9/23/2026
US5890291
0 cases1/8 sections
Patent Overview — US 5,890,291 A Title: Enclosed blade fixture for cutting hoses Patent number: US5890291A Application number: US08/850,475 Inventor: James E. Crum Original/current assignee: Crum Manufacturing Inc (a 2003 assignment to…
View full analysis →added 9/23/2026
US5890791
0 cases1/8 sections
Patent Overview — US 5,890,791 A Title: "Light control sheet, surface light source unit and liquid crystal display device" Assignee/Applicant: Konica Minolta Inc. (listed as current assignee); originally assigned to KONICA CORPORATION via…
View full analysis →added 9/23/2026