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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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US6895507
0 cases1/8 sections
Patent Overview — US 6,895,507 B1 Title: Method and system for determining and maintaining trust in digital data files with certifiable time Patent number: US 6,895,507 B1 Application number: US09/609,646 Inventor: Steven W. Teppler…
View full analysis →added 9/24/2026
US6902310
0 cases1/8 sections
Patent Overview — US6902310B2 Title: Illumination system and projection display device employing the same Patent number: US6902310B2 (application US10/353,948; pre-grant publication US20030147255A1) Inventor: Yong-Seok Im Assignee: Samsung…
View full analysis →added 9/23/2026
US6907042
0 cases1/8 sections
Patent Overview — US6907042B1 Title: Packet processing device Patent number: US6907042B1 Application number: US09/552,135 Inventor: Naoki Oguchi Original/Current Assignee: Fujitsu Ltd Priority date: 1999-05-18 Filing date: 2000-04-19…
View full analysis →added 9/20/2026
US6907142
0 cases1/8 sections
Patent Overview — US 6907142 B2 Title: Method for encoding images, and an image coder Patent number / application: US6907142B2; application US09/766,193, filed 2001-01-19. Priority date: 2000-01-21. Granted / publication date: 2005-06-14…
View full analysis →added 9/23/2026
US6907530
0 cases1/8 sections
Patent Overview — US6907530B2 Title: Secure internet applications with mobile code Patent number: US6907530B2 (application US09/764,459; pre-grant publication US20020099940A1) Inventor: Jieh-Shan Wang Original assignee: V One Corp; current…
View full analysis →added 9/24/2026
US6910205
0 cases1/8 sections
Patent Overview Title: Interpreting functions utilizing a hybrid of virtual and native machine instructions Patent No.: US6910205B2 Assignee: Sun Microsystems Inc (original and current assignee, per the listing) Inventors: Lars Bak, Robert…
View full analysis →added 9/23/2026
US6922883
0 cases1/8 sections
US6922883 — Method for Making a Non-Linear Inductor Title: Method for making a non-linear inductor Patent number: US6922883B2 Assignee/current assignee: ABB Schweiz AG (original assignees ABB Oy and ABB Inc USA) Priority date: 2002-09-11…
View full analysis →added 8/26/2026
US6934558
0 cases1/8 sections
Patent Overview — US6934558B1 Title: Adaptive omni-modal radio apparatus and methods Patent number: US6934558B1 Application number: US09/670,696 Filed: 2000-09-28 Granted/Published: 2005-08-23 Priority date listed: 1993-12-15 (noted in the…
View full analysis →added 9/23/2026
US6936968
0 cases1/8 sections
Patent Overview — US 6936968 B2 Title: Retrofit light emitting diode tube Patent number / application: US 6936968 B2; Application US09/998,274 Inventors: Robert Porter Cross, Robert Hartwell Cross, Jeffery Parker Cross (assignment recorded…
View full analysis →added 9/23/2026
US6939027
0 cases1/8 sections
Patent Overview — US 6,939,027 B2 Title: Light source system (US6939027B2) Assignee: Topcon Corp (original assignee; assignment to Kabushiki Kaisha Topcon recorded 2003-11-12) Inventor: Yuko Harumoto Priority date: 2002-07-09; Filed…
View full analysis →added 9/23/2026
US6948069
0 cases1/8 sections
Patent Overview: US 6948069 B1 Title: Method and system for determining and maintaining trust in digital image files with certifiable time Patent number: US 6948069 B1 Application number: US09/609,645 Inventor: Steven W. Teppler Key dates…
View full analysis →added 9/24/2026
US6950943
0 cases1/8 sections
Patent Overview — US 6,950,943 B1 Title: System for electronic repository of data enforcing access control on data search and retrieval Patent number: US 6,950,943 B1 Application number: US 09/459,240 Inventors: Hamid Bacha; Robert Bruce…
View full analysis →added 9/23/2026
US6951384
0 cases1/8 sections
Patent Overview — US 6,951,384 B2 Title: Ink jet heater chip and method therefor Patent number: US6951384B2 Inventors: Frank Edward Anderson; George Keith Parish Original assignee: Lexmark International, Inc. (current assignee listed as…
View full analysis →added 9/23/2026
US6959149
0 cases1/8 sections
Patent Overview — US 6,959,149 B2 Title: Power balancing in DWDM optical networks Assignee / Inventors: Original assignee Nortel Networks Ltd.; current assignee listed as Ciena Luxembourg SARL / Ciena Corp. Inventors: Nigel L. Bragg, Bram…
View full analysis →added 9/24/2026
US6961346
0 cases1/8 sections
Patent Overview: US6961346B1 Title: System and method for converting packet payload size Patent number: US6961346B1 Application number: US09/449,185 Inventors: Larry G. Michalewicz; Ronald D. Higgins Assignee: Cisco Technology, Inc. (a…
View full analysis →added 9/21/2026
US6965868
0 cases1/8 sections
Patent Overview — US 6965868 B1 Title: System and method for promoting commerce, including sales agent assisted commerce, in a networked economy Patent number: US6965868B1 Application number: US09/490,087 Inventor: Michael David Bednarek…
View full analysis →added 9/23/2026
US6973574
0 cases1/8 sections
Patent Overview — US 6973574 B2 Title: Recognizer of audio-content in digital signals Patent number / application: US 6973574 B2; application US09/843,254, filed 2001-04-24. Inventors: M. Kivanc Mihcak and Ramarathnam Venkatesan. Assignee…
View full analysis →added 9/23/2026
US6973623
0 cases1/8 sections
Patent Overview — US 6973623 B2 Title: System and method for client refresh mode selection Patent number / application: US 6973623 B2; Application US09/881,458 Assignee: International Business Machines Corporation (original assignee; the…
View full analysis →added 9/23/2026
US6974321
0 cases1/8 sections
Patent Overview: US6974321B2 — "Intraoral device" Source: https://patents.google.com/patent/US6974321/en Title: Intraoral device. Inventors: James A. Hirsch and Thomas R. Hirsch. Assignee history (per the supplied record): originally…
View full analysis →added 9/23/2026
US6975734
0 cases1/8 sections
Patent Overview — US 6,975,734 B1 Title: Audio apparatus of negative driving with adaptive gain control Assignee: Yamaha Corporation (original assignee Yamaha Corp; inventor Eiichi Suzuki) Priority date: 1998-12-25 | Filed: 1999-12-23 |…
View full analysis →added 9/23/2026