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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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Patent Overview: US4680859A Title: Thermal ink jet print head method of manufacture Patent Number: US4680859A Application Number: US06/915,292 Inventor: Samuel A. Johnson Original Assignee: Hewlett Packard Co (Current Assignee listed as HP…
View full analysis →added 9/17/2026Patent Overview — US 4,827,294 A Title: Thermal ink jet printhead assembly employing beam lead interconnect circuit Patent number / application: US 4,827,294 A; application US 07/093,924 Inventor: Gary E. Hanson Assignee (per supplied…
View full analysis →added 9/17/2026Patent Overview — US 4,872,027 Title: Printer having identifiable interchangeable heads Patent number: US4872027A Application number: US07/116,093 Inventors: William A. Buskirk, Carl J. Landsness, John D. Rhodes Original assignee: Hewlett…
View full analysis →added 9/17/2026Patent Overview — US 4,992,802 A Title: Method and apparatus for extending the environmental operating range of an ink jet print cartridge Source: https://patents.google.com/patent/US4992802/en Bibliographic data (from excerpt)…
View full analysis →added 9/17/2026Patent Overview — US5122464A Title: Method for dominant selection in eucaryotic cells Patent number: US5122464A | Application number: US07/595,733 | Filed: 1987-01-23 | Priority date: 1986-01-23 | Granted/Published: 1992-06-16 Current…
View full analysis →added 9/23/2026US 5,409,134 A — "Pressure-sensitive accumulator for ink-jet pens" Bibliographic data (as supplied). Application US07/805,438; filed 1991-12-11; granted and published 1995-04-25. Priority date listed as 1990-01-12. Original assignee…
View full analysis →added 9/17/2026Patent Overview: US5479002A Title: Bar code scanner with scanning beam and/or field of view adjustable about three mutually orthogonal axes. Patent number: US5479002A. Application number: US08/366,383. Inventors: Frederic Heiman, Joseph…
View full analysis →added 9/23/2026Patent Overview — US 6,098,098 Title: System for managing the configuration of multiple computer devices Patent number / application: US 6,098,098 A; application US 08/970,831 Inventors: Joel E. Sandahl and Lyle D. Baker Original assignee…
View full analysis →added 9/23/2026Patent Overview — US 6148261 A Title: Personal communication system to send and receive voice data positioning information Patent number: US 6,148,261 A Application number: US 08/879,955 Inventors: Michael L. Obradovich; John Dinkel…
View full analysis →added 8/27/2026US 6,242,701 B1 — Patent Overview Title: Apparatus and method for measuring weight of an occupying item of a seat Patent number: US6242701B1 Application number: US09/193,209 Inventors: David S. Breed, Wilbur E. DuVall, Jeffrey L. Morin…
View full analysis →added 9/22/2026Patent Overview: US6275231B1 Title: Centralized control and management system for automobiles Patent number: US6275231B1 Application number: US08/904,855 Inventor: Michael L. Obradovich Original assignee: American Calcar Inc (current…
View full analysis →added 8/27/2026Patent Overview: US 6,282,464 B1 Title: Technique for effectively providing audio information in a vehicle Patent Number: US 6,282,464 B1 Inventor: Michael L. Obradovich Assignee/Original Assignee: American Calcar Inc. (listed current…
View full analysis →added 8/27/2026Patent Overview — US 6397136 B1 Title: System for determining the occupancy state of a seat in a vehicle Patent number / application: US 6397136 B1; application US 09/474,147, filed 1999-12-29; granted/publication date 2002-05-28. Assignee…
View full analysis →added 9/22/2026Patent Overview: US6459961B1 Title: Technique for providing information upon a notable condition in a vehicle Patent number: US6459961B1 Application number: US09/717,943 Inventors: Michael L. Obradovich; Michael L. Kent; John G. Dinkel…
View full analysis →added 8/27/2026US6529824B1 — Concise Overview Title: Personal communication system for communicating voice data positioning information Patent number: US6529824B1 Application number: US09/669,527 Filing date: 2000-09-25 Publication/grant date: 2003-03-04…
View full analysis →added 8/27/2026I'll search for authoritative information on this specific patent number. Let me get the full independent claim language and check for any litigation. US 6,587,758 B2 — Analyst Summary Important caveat up front: My searches of USPTO/PTAB…
View full analysis →added 8/27/2026Patent Overview: US 6,587,759 B2 Title: "Technique for effectively providing information responsive to a notable condition in a vehicle" Patent number: US 6,587,759 B2 (application US 10/209,107; publication US 2002/0198635 A1) Inventors…
View full analysis →added 8/27/2026US 6,631,845 B2 — Two Window Optical Scanner Title: Two window optical scanner Patent number: US 6,631,845 B2 Application number: US 09/824,961 Inventor: Edward Barkan Original assignee / current assignee (as listed): Symbol Technologies…
View full analysis →added 9/24/2026Patent Overview — US6691139B2 Title: "Recreation of archives at a disaster recovery site" Patent number / application: US6691139B2; application US09/774,839. Inventors: Shivaji Ganesh and Ramesh Kavanappillil. Assignee: Original assignee…
View full analysis →added 9/17/2026Patent Overview: US 6703944 B1 Title: Technique for effectively maintaining a safe distance between a vehicle and an object Patent number: US 6703944 B1 Application number: US09/688,288 Inventor: Michael L. Obradovich Original assignee…
View full analysis →added 8/27/2026