The catalog
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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- US57374030 cases1/8 sections
Patent Overview: US 5,737,403 Title: Interaction of routing features in a telephone system Patent number: US 5,737,403 A Inventor: Pamela Zave Original/current assignee: AT&T Inc. (originally assigned to AT&T CORP.) Application number: US…
View full analysis →added 9/23/2026 - US57375010 cases1/8 sections
Patent Overview: US 5,737,501 A — "Printer Control Unit and Method" Bibliographic data (from supplied text): Inventor Kiyohiro Tsunekawa; original assignee Canon Inc. (Canon Kabushiki Kaisha); application US 08/677,108; filed 1996-07-09…
View full analysis →added 9/24/2026 - US57396390 cases1/8 sections
Patent Overview — US 5,739,639 A Title: Method and apparatus for operating LED array and charging battery for emergency LED operation including DC boost circuit allowing series connection of LED array and battery Assignee/Original…
View full analysis →added 9/23/2026 - US57414950 cases1/8 sections
Patent Overview — US 5,741,495 A Title: Glucan drug delivery system and adjuvant Assignee/Applicant of record: Alpha Beta Technology Inc (original assignee); current assignee listed as Alpha Beta Technology Inc / Biopolymer Engineering…
View full analysis →added 9/21/2026 - US57428450 cases1/8 sections
Patent Overview — US5742845A Title: System for extending present open network communication protocols to communicate with non-standard I/O devices directly coupled to an open network. Patent number / application: US5742845A; application…
View full analysis →added 9/23/2026 - US57450660 cases1/8 sections
Patent Overview — US5745066A Title: AD converter and magnetic recording/regenerating apparatus using thereof Source: https://patents.google.com/patent/US5745066/en Bibliographic data (as listed): Application number US08/712,558; filed…
View full analysis →added 9/23/2026 - US57454800 cases1/8 sections
Patent Overview: US5745480A — Multi-rate wireless communications system Source: https://patents.google.com/patent/US5745480/en (excerpted fetch, 2026-09-23) Bibliographic facts (as supplied): Application US08/681,191, filed 1996-07-22…
View full analysis →added 9/23/2026 - US57457270 cases1/8 sections
Patent Overview — US5745727A ("Linked caches memory for storing units of information") Bibliographic data (from the supplied record). U.S. Patent 5,745,727 A; application US08/843,315, filed 1997-04-15; granted and published 1998-04-28…
View full analysis →added 9/23/2026 - US57496460 cases1/8 sections
Patent Overview: US5749646A — "Special Effect Lamps" Source: https://patents.google.com/patent/US5749646/en (fetched 2026-09-23) Bibliographic data (from supplied text): - Title: Special effect lamps - Patent number: US5749646A -…
View full analysis →added 9/23/2026 - US57517150 cases1/8 sections
US 5,751,715 A — Patent Overview Title: Accelerator fiber channel hub and protocol Patent number: US 5,751,715 A Application number: US 08/695,290 Inventors: Kurt Chan; Alistair D. Black Original assignee: Gadzoox Microsystems Inc. Current…
View full analysis →added 9/23/2026 - US57519710 cases1/8 sections
Patent Overview: US5751971A Title: Internet Protocol (IP) Work Group Routing Patent number: US5751971A Application number: US08/501,324 Inventors: Kurt A. Dobbins; David L. Cullerot; Stephen H. Negus; William T. Haggerty Original assignee…
View full analysis →added 9/23/2026 - US57546550 cases1/8 sections
Patent Overview — US 5,754,655 A Title: System for remote purchase payment and remote bill payment transactions Patent number / application: US 5,754,655 A; application US 08/891,440 Inventors: Thomas S. Hughes; Gustavo Molina Assignee…
View full analysis →added 9/24/2026 - US57624960 cases1/8 sections
Patent Overview — US 5,762,496 A Title: Disposable dental saliva ejector Patent number: US 5,762,496 A Application number: US 08/520,956 Inventors: Christer Albertsson, Matts Folko, Bengt Mattsson Original/current assignees (as listed)…
View full analysis →added 9/23/2026 - US57651520 cases1/8 sections
Patent Overview — US5765152A Title: System and method for managing copyrighted electronic media Inventor: John S. Erickson Original Assignee: Dartmouth College (later listed assignees include Digimarc Corp; a National Science Foundation…
View full analysis →added 9/23/2026 - US57657430 cases1/8 sections
Patent Overview — US 5,765,743 A Title: Outdoor installation type cabinet Assignee: Fujitsu Ltd (original assignee, per the supplied text) Inventor(s): Jun Sakiura; Yasushi Kojima; Naoya Yamazaki; Kazuhiro Iino; Motoko Nakamura Prior art…
View full analysis →added 9/23/2026 - US57685300 cases1/8 sections
Patent Overview: US 5,768,530 Title: High speed integrated circuit interface for fibre channel communications Patent number: US 5,768,530 A Application number: US08/580,508 Inventor: Miklos A. Sandorfi Assignee: EMC Corporation…
View full analysis →added 9/23/2026 - US57695220 cases1/8 sections
Patent Overview — US 5,769,522 A Title: Surface light source device Assignee: Enplas Corp (original and current assignee per the supplied record) Key dates (from the source): - Priority date: 1991-09-09 (claimed from JP1991080357U); a…
View full analysis →added 9/23/2026 - US57713280 cases1/8 sections
US 5,771,328 — Patent Overview Title: Light directing film having variable height structured surface and light directing article constructed therefrom Patent number: US 5,771,328 A Application number: US 08/832,132 Inventors: David L…
View full analysis →added 9/23/2026 - US57746600 cases1/8 sections
Patent Overview — US5774660A (from supplied excerpt only) Title: "World-wide-web server with delayed resource-binding for resource-based load balancing on a distributed resource multi-node network" Patent number: US5774660A Application…
View full analysis →added 9/21/2026 - US57757910 cases1/8 sections
Patent Overview — US 5,775,791 A Title: Surface emission apparatus Assignee/Current Assignee (per source): Nidec Precision Corp; original assignee Nidec Copal Corp Inventors: Yukio Yoshikawa; Shigekazu Nakamura Prior art date / Priority…
View full analysis →added 9/23/2026