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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- US58200620 cases1/8 sections
Patent Overview — US 5,820,062 A Title: Winding machine Inventor: Carlo Menegatto Assignee: Menegatto S.R.L. (original and current) Application No.: US 08/859,700 Filing date: 1997-05-21 Priority date: 1996-05-24 Publication/grant date…
View full analysis →added 9/23/2026 - US58218870 cases1/8 sections
Patent Overview — US 5821887 A Title: Method and apparatus for decoding variable length codes Patent number: US 5,821,887 A Application number: US 08/747,980 Inventor: Chunrong Zhu Assignee: Intel Corporation (original and current assignee…
View full analysis →added 9/23/2026 - US58254190 cases1/8 sections
Patent Overview: US 5,825,419 A Title: Coding device and decoding device of digital image signal Assignee: Mitsubishi Electric Corp (original assignee per the supplied record) Key dates: Priority date 1995-09-29; application number…
View full analysis →added 9/23/2026 - US58258910 cases1/8 sections
Patent Overview: US5825891A — "Key Management for Network Communication" Title: Key management for network communication Patent number: US5825891A Application number: US08/959,919 Inventors: Roger H. Levesque; Jeffrey A. Kraemer; Ashok P…
View full analysis →added 9/21/2026 - US58260140 cases1/8 sections
Patent Overview: US5826014A Title: Firewall system for protecting network elements connected to a public network Patent number: US5826014A (application US08/595,957) Inventors: Christopher D. Coley; Ralph E. Wesinger, Jr. Original…
View full analysis →added 9/21/2026 - US58283220 cases1/8 sections
Patent Overview: US 5,828,322 A Title: System for controlling delivery and return of printed matter Patent number: US 5,828,322 A Application number: US 08/644,662 Inventor: Hans Joachim Eberhard Assignee: Individual (original and current…
View full analysis →added 9/24/2026 - US58284880 cases1/8 sections
US 5,828,488 A — Reflective Polarizer Display Title: Reflective polarizer display Patent number: US5828488A Application number: US08/402,349 Assignee/current assignee: Minnesota Mining and Manufacturing Co (original); 3M Innovative…
View full analysis →added 9/23/2026 - US58310890 cases1/8 sections
Patent Overview: US5831089A Title: Process to produce midazolam Patent number: US5831089A Application number: US08/864,043 Inventor: Joel E. Huber Original/current assignee: Pharmacia and Upjohn Co Priority date: 1996-07-01 Filing date…
View full analysis →added 9/23/2026 - US58322180 cases1/8 sections
Patent Overview — US 5,832,218 Title: Client/server electronic mail system for providing off-line client utilization and seamless server resynchronization (as rendered in the supplied source, including the "providng" typographical…
View full analysis →added 9/24/2026 - US58325030 cases1/8 sections
Patent Overview — US 5,832,503 A Title: Method and apparatus for configuration management in communications networks Patent number: US 5,832,503 A (application US08/394,143) Original assignee: Cabletron Systems Inc. (the excerpt also lists…
View full analysis →added 9/23/2026 - US58357260 cases1/8 sections
Patent Overview: US 5,835,726 Title: System for securing the flow of and selectively modifying packets in a computer network Patent number: US 5,835,726 A Application number: US 08/664,839 Assignee: Check Point Software Technologies Ltd…
View full analysis →added 9/23/2026 - US58357270 cases1/8 sections
Patent Overview: US 5,835,727 Title: Method and apparatus for controlling access to services within a computer network Patent number: US5835727A | Application: US08/762,393 | Inventors: Thomas K. Wong; Sanjay R. Radia; Swee Boon Lim…
View full analysis →added 9/24/2026 - US58357850 cases1/8 sections
Patent Overview — US 5,835,785 A Title: Multiplexed three line synchronous/full-duplex asynchronous data bus and method therefor Patent number / application: US 5,835,785 A; Application US08/338,993 Inventors: Eric J. Overtoom; Manohar A…
View full analysis →added 9/23/2026 - US58384030 cases1/8 sections
Patent Overview — US 5,838,403 A Title: "Liquid crystal display system with internally reflecting waveguide for backlighting and non-Lambertian diffusing" Patent number / application: US 5,838,403 A (application US 08/601,133) Original…
View full analysis →added 9/23/2026 - US58445860 cases1/8 sections
Patent Overview — US 5,844,586 A Title: "Process for making ink jet heater chips" Patent number / application: US 5,844,586 A; Application No. US 08/628,059. Inventors: Karen L. Berry and Joseph P. Maniaci. Assignee: Originally assigned to…
View full analysis →added 9/23/2026 - US58447200 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 - US58452630 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 - US58452650 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 - US58483990 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 - US58504420 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