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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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US5479206
0 cases1/8 sections
Patent Overview — US5479206A Title: Imaging system, electronic camera, computer system for controlling said electronic camera, and methods of controlling same Patent number: US5479206A (application US08/012,463) Assignee/owner on record…
View full analysis →added 9/17/2026
US5479645
0 cases1/8 sections
Patent Overview — US 5,479,645 A Title: Portable computer capable of switching CPU clocks Assignee: Toshiba Corp (original assignee; assignment recorded to Kabushiki Kaisha Toshiba, assignors Makoto Sakai and Makoto Arai) Key dates…
View full analysis →added 9/23/2026
US5483173
0 cases1/8 sections
Patent Overview — US 5,483,173 A Title: Current measuring structure for testing integrated circuits Assignee/Original Assignee: STMicroelectronics SRL; originally SGS Thomson Microelectronics SRL Inventor: Franco Pellegrini Dates: Priority…
View full analysis →added 9/23/2026
US5483524
0 cases1/8 sections
Patent Overview: US 5,483,524 Title: Method for transmitting data packets via a circuit-switched channel Patent number / application: US 5,483,524 A; Application US08/239,489 Inventors: Valy Lev, Rod Averbuch, Israel A. Cimet Original…
View full analysis →added 9/23/2026
US5485474
0 cases1/8 sections
Patent Overview — US5485474A Title: Scheme for information dispersal and reconstruction Assignee: Harvard University (current and original assignee, per the listing) Key dates: - Prior art date / priority date: 1988-02-25 (priority stated…
View full analysis →added 9/23/2026
US5485634
0 cases1/8 sections
Patent Overview — US5485634A Title: Method and system for the dynamic selection, allocation and arbitration of control between devices within a region. Patent number / application: US5485634A; application US08/166,478. Assignee: Xerox Corp…
View full analysis →added 9/24/2026
US5489773
0 cases1/8 sections
Patent Overview — US 5,489,773 A Title: Integrated portable device for point of sale transactions Assignee/Original Assignee: Khyber Technologies Corp (per the supplied record; assigned via assignment from inventor Rajendra Kumar, recorded…
View full analysis →added 9/24/2026
US5490136
0 cases1/8 sections
US5490136A — Patent Overview Title: Method of controlling transmission on a same radio channel of variable-rate information streams in radio communication systems Patent number: US5490136A (application US08/241,207) Inventors: Daniele…
View full analysis →added 9/21/2026
US5493490
0 cases1/8 sections
Patent Overview: US5493490A Title: Electronic proposal preparation system for selling vehicles Patent number: US5493490A Application number: US07/878,602 Inventor: Jerome D. Johnson Original assignee: Clear With Computers Inc Current…
View full analysis →added 9/23/2026
US5494592
0 cases1/8 sections
Patent Overview — US5494592A Title: Apheresis apparatus and method Patent number: US5494592A Application number: US08/372,890 Inventor(s): Allen Latham, Jr.; Glen E. Jorgensen; Theodoor H. S. Sibinga; Joseph R. Plante; Tracey E. Knapp…
View full analysis →added 9/23/2026
US5499298
0 cases1/8 sections
Patent Overview: US5499298A Title: Controlled dissemination of digital information Patent number: US5499298A. Application number: US08/210,174. Inventors: Arcot D. Narasimhalu, Weiguo Wang, Mohan S. Kankanhalli. Assignee: National…
View full analysis →added 9/23/2026
US5504511
0 cases1/8 sections
Patent Overview — US 5,504,511 ("Ink container") Bibliographic data (as supplied): Title, "Ink container." Inventors: Kazuhiro Nakajima and Keiichiro Tsukuda. Original and current assignee: Canon Inc. / Canon Kabushiki Kaisha. Priority…
View full analysis →added 9/23/2026
US5504745
0 cases1/8 sections
Patent Overview — US 5,504,745 Title: Switching cell transmission device employing dual gate FET's as one-way RF switching element Patent Number: US5504745A Application Number: US08/251,942 Inventors: Felix A. Petz; Wolfgang Greiner…
View full analysis →added 9/23/2026
US5510841
0 cases1/8 sections
Patent Overview — US5510841A Title: Encoding apparatus in which flat subblocks are identified in blocks of a motion signal prior to coding the blocks and complementary decoding apparatus Patent number: US5510841A | Application number…
View full analysis →added 9/23/2026
US5511098
0 cases1/8 sections
US5511098A — Digital methods and apparatus reverse link signal detection and recovery in a mobile data base station - Inventor: Steven H. Gardner - Original assignee: Pacific Communication Sciences, Inc. (later records list ADC…
View full analysis →added 9/23/2026
US5515379
0 cases1/8 sections
Patent Overview — US5515379A Title: Time slot allocation method Patent number: US5515379A | Application: US08/137,541 | Inventors: Kenneth J. Crisler, Michael L. Needham | Original assignee: Motorola, Inc. | Current assignee (as listed)…
View full analysis →added 9/21/2026
US5518139
0 cases1/8 sections
US Patent 5,518,139 — Summary Bibliographic Data (verified against Google Patents, EveryPatent, FreePatentsOnline, and USPTO.report) | Field | Value | |---|---| | Patent number | US5518139A (U.S. Patent 5,518,139) | | Title | Portable…
View full analysis →added 8/27/2026
US5519695
0 cases1/8 sections
Patent Overview — US 5,519,695 A ("Switch element for fiber channel networks") Bibliographic data (from source): Application US08/330,155; filed 1994-10-27; priority 1994-10-27; granted/published 1996-05-21. Inventors: Robin Purohit, Bent…
View full analysis →added 9/23/2026
US5525917
0 cases1/8 sections
Patent Overview — US5525917A Title: Sense amplifier with feedback and stabilization Patent number: US5525917A Application number: US08/358,210 Inventors: Myron W. Wong, Dirk A. Reese, John C. Costello Assignee: Altera Corp (original…
View full analysis →added 9/21/2026
US5528584
0 cases1/8 sections
Patent Overview — US 5,528,584 A Title: High performance path allocation system and method with fairness insurance mechanism for a fiber optic switch. Assignee/Inventor data (from supplied record): Original assignee Hewlett Packard Co…
View full analysis →added 9/23/2026