The catalog

Patent invalidity dossiers.

7,248 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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US6835251
0 cases1/8 sections
US 6,835,251 — High-Purity Aluminum Sputter Targets and Method of Manufacture Title: High-purity aluminum sputter targets and method of manufacture Patent number: US6835251B2 Inventors: Andrew C. Perry, Paul S. Gilman, Thomas J. Hunt…
View full analysis →added 9/20/2026
US6836172
0 cases1/8 sections
Patent Overview — US 6836172 B2 Title: Semiconductor switch apparatus including isolated MOS transistors Patent number: US 6836172 B2 (application US10/443,007) Inventor: Tomonori Okashita Original assignee: NEC Compound Semiconductor…
View full analysis →added 9/23/2026
US6836290
0 cases1/8 sections
Patent Overview — US 6836290 B1 Title: Combined single-ended and differential signaling interface Patent number / application: US 6836290 B1; Application US09/302,090, filed 1999-04-29. Inventors: Randall M. Chung, Ferry Gunawan, Dino D…
View full analysis →added 9/23/2026
US6836792
0 cases1/8 sections
Patent Overview — US 6836792 B1 Title: "Techniques for providing add-on services for an email system" Source: https://patents.google.com/patent/US6836792/en Bibliographic data (as supplied): Application US09/454,469; inventor Samuel Chen…
View full analysis →added 9/21/2026
US6839411
0 cases1/8 sections
Patent Overview: US 6839411 B1 Title: Graphical user interface and method for displaying messages Patent number: US 6839411 B1 (application US09/259,985) Assignee: Original assignee Mitel Networks Inc; current assignee listed as Mitel…
View full analysis →added 9/23/2026
US6839751
0 cases1/8 sections
Patent Overview: US 6,839,751 B1 Title: "Re-using information from data transactions for maintaining statistics in network monitoring" Patent number / application: US 6,839,751 B1; Application No. US 09/608,126. Inventors: Russell S…
View full analysis →added 9/23/2026
US6843194
0 cases1/8 sections
Patent Overview — US 6843194 B1 Title: Sail with reinforcement stitching and method for making Patent number: US 6843194 B1 Application number: US10/680,450 Inventor: Jean-Pierre Baudet Assignee: Individual (original and current assignee…
View full analysis →added 9/23/2026
US6853151
0 cases1/8 sections
Patent Overview: US6853151B2 — "LED retrofit lamp" Patent number: US6853151B2 (application US10/822,579) Title: LED retrofit lamp Inventors: Susan J. Leong; John Kit Original assignee: Denovo Lighting LLC Current assignee (per listing)…
View full analysis →added 9/23/2026
US6854064
0 cases1/8 sections
Patent Overview — US 6854064 B2 Title: "ACPI complaint computer system and overtemperature protection method therefor" (spelling as given in the source). Assignee/Inventor: Original assignee Samsung Electronics Co., Ltd.; inventor Hee-Geol…
View full analysis →added 9/23/2026
US6855964
0 cases1/8 sections
US6855964 — Overview Title: Triggering of an ESD NMOS through the use of an N-type buried layer Patent number: US6855964B2 Application number: US10/280,313 Inventor: Ronald B. Hulfachor (assignment names "HULFACHOR, RONAL B." as assignor)…
View full analysis →added 9/23/2026
US6859891
0 cases1/8 sections
Patent Overview — US6859891B2 Title: Apparatus and method for shadowing processor information Patent number: US6859891B2 Application number: US09/410,606 Inventor(s): David Alan Edwards; Margaret Rose Gearty; Bernard Ramanadin; Anthony…
View full analysis →added 9/23/2026
US6867110
0 cases1/8 sections
Patent Overview: US 6,867,110 B2 Title: Separating apparatus and processing method for plate member Patent number: US 6,867,110 B2 Application number: US 10/152,690 Assignee: Canon Inc. (Canon Kabushiki Kaisha) Inventors: Kazutaka…
View full analysis →added 9/23/2026
US6868080
0 cases1/8 sections
Patent Overview Title: Voice over internet protocol call fallback for quality of service degradation Patent number: US6868080B1 Application number: US09/492,423 Assignee/current assignee: Cisco Technology, Inc. (original assignee: Cisco…
View full analysis →added 9/23/2026
US6880921
0 cases1/8 sections
Patent Overview — US 6,880,921 B2 Title: "Inkjet cartridge with tubular entrained ink chamber" Assignee: Hewlett-Packard Development Company, L.P. (original assignee, per the provided record; an earlier assignment to Hewlett-Packard…
View full analysis →added 9/23/2026
US6882025
0 cases1/8 sections
Patent Overview: US 6,882,025 B2 Title: Strained-channel transistor and methods of manufacture Patent number: US 6,882,025 B2 (application US 10/423,513) Assignee: Taiwan Semiconductor Manufacturing Company, Ltd. (TSMC) Inventors: Yee-Chia…
View full analysis →added 9/23/2026
US6882480
0 cases1/8 sections
Patent Overview — US 6,882,480 B2 Title: Optical device, optical unit and projector Patent number: US6882480B2 Application number: US10/632,836 Inventor: Yoshiyuki Yanagisawa Assignee: Seiko Epson Corp (original and current assignee, per…
View full analysis →added 9/23/2026
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