The catalog

Patent invalidity dossiers.

7,246 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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  • US3813047
    0 cases1/8 sections

    I'll search the USPTO database and CAFC 2026 dockets for this specific patent number. The USPTO search confirmed the patent details. Let me do one more targeted check for any CAFC 2026 litigation involving this patent number. Summary: US…

    View full analysis →added 8/27/2026
  • US3833297
    0 cases1/8 sections

    Patent Overview — US 3,833,297 Title: Automatic brightness control for photographic projectors Source: https://patents.google.com/patent/US3833297/en Bibliographic data (per supplied text): - Patent number: US 3,833,297 A - Application…

    View full analysis →added 9/24/2026
  • US3841312
    0 cases1/8 sections

    Patent Overview — US 3,841,312 Title: Electrode arrangement Patent number: US 3,841,312 A (application US00346154A) Assignee: Consolidated Medical Equipment Inc (original assignee; current assignee listed as CONSOLIDATED MEDICAL EQUIPMENT…

    View full analysis →added 9/23/2026
  • US3875456
    0 cases1/8 sections

    Patent Overview — US 3,875,456 Title: Multi-color semiconductor lamp Patent number: US 3,875,456 A (US3875456A) Assignee: Hitachi Ltd (listed as current and original assignee) Inventor(s): Tsuyoshi Kano, Tadashi Saitoh, Atsushi Suzuki…

    View full analysis →added 9/23/2026
  • US3892959
    0 cases1/8 sections

    Patent Overview — US 3,892,959 A Title: Edge-lighted panel arrangement. Source: https://patents.google.com/patent/US3892959/en Inventor: Eduard J. Pulles. Original assignee: GTE Automatic Electric Laboratories Inc. A later assignment…

    View full analysis →added 9/23/2026
  • US3949072
    0 cases1/8 sections

    Patent Overview — US 3,949,072 A Title: Topical composition for treatment of seborrheic keratosis Inventor / Assignee: Louis T. Tenta (inventor); original assignee listed as "Individual." Key dates: Priority date 1971-03-11 (claimed from…

    View full analysis →added 9/23/2026
  • US3958113
    0 cases1/8 sections

    Patent Overview: US 3,958,113 A — "Lighting Effects Device" Bibliographic data (from source): Inventor Carol I. Termohlen; original assignee listed as "Individual"; application US05/496,735, filed 1974-08-12; priority date 1973-04-26…

    View full analysis →added 9/23/2026
  • US4017975
    0 cases1/8 sections

    Patent Overview: US4017975A Title: Saliva ejector and chin holder therefor Patent number: US4017975A Inventor: Wesley Grant Johnson Assignee: Individual (original assignee also listed as Individual) Application number: US05/669,244…

    View full analysis →added 9/23/2026
  • US4043636
    0 cases1/8 sections

    Patent Overview — US 4,043,636 A Title: "Illumination-panel for liquid crystal display of similar device" (title as given in the source). Patent number / application: US 4,043,636 A; application US 05/600,979. Inventors: Noel H. Eberhardt…

    View full analysis →added 9/23/2026
  • US4087101
    0 cases1/8 sections

    Search Results USPTO/patent databases: The patent is confirmed as US 4,087,101 A ("US4087101A"). No similar-number confusion was found — the only references returned (Google Patents, FreePatentsOnline, Justia, and a Baidu Scholar record)…

    View full analysis →added 8/27/2026
  • US4117846
    0 cases1/8 sections

    Patent Overview — US 4117846 A Title: Skin conducting electrode and electrode assembly. Assignee: Consolidated Medical Equipment Inc (original and current assignee as listed). Inventor: Frank R. Williams. Key dates: Prior art date…

    View full analysis →added 9/23/2026
  • US4128332
    0 cases1/8 sections

    Patent Overview — US 4,128,332 ("Illuminator") Bibliographic data (from source): US Patent 4,128,332 A; application US05/656,559; inventor Stephen H. Rowe; original assignee and current assignee Xerox Corp; prior art date 1975-03-24…

    View full analysis →added 9/23/2026
  • US4148045
    0 cases1/8 sections

    Patent Overview: US 4,148,045 — "Multicolor Light Emitting Diode Array" Bibliographic data (from supplied text): Inventors Frank F. Fang and Kwang K. Shih; original assignee and current assignee listed as International Business Machines…

    View full analysis →added 9/23/2026
  • US4167814
    0 cases1/8 sections

    Patent Overview — US 4,167,814 Title: Mouth prop and oral evacuation device Patent number: US 4,167,814 A Application number: US05/786,147 Inventor: Robert E. Schubert Assignee: Individual (original assignee: Individual) Filing date /…

    View full analysis →added 9/23/2026
  • US4177501
    0 cases1/8 sections

    Patent Overview — US 4,177,501 A Title: Illuminated keyboard Inventor: James H. Karlin Original/current assignee (per source): Harris Corp Application no.: US05/851,694 Priority/filing date: 1977-11-15 Publication (grant) date: 1979-12-04…

    View full analysis →added 9/23/2026
  • US4183628
    0 cases1/8 sections

    Patent Overview: US4183628A Title: Electronic watch and display device for such watch Patent Number: US4183628A Assignee: Ebauches SA (original and current assignee, per listing) Inventors: Claude Laesser, Rene Viennet, Eric Saurer…

    View full analysis →added 9/23/2026
  • US4192071
    0 cases1/8 sections

    Patent Overview — US4192071A, "Dental Appliance" Bibliographic data (per supplied text): Patent number US4192071A; application US05/873,430; inventor Norman Erickson; original assignee/current assignee listed as "Individual." Priority and…

    View full analysis →added 9/23/2026
  • US4204453
    0 cases1/8 sections

    US4204453A — Patent Overview Title: Device for automatic tonal accompaniment in electronic musical instruments Patent number: US4204453A Application number: US05/862,006 Inventor: Ulrich Gross Original/current assignee: US Philips Corp…

    View full analysis →added 9/23/2026
  • US421760
    0 cases1/8 sections

    Patent Overview: US 4,217,760 — "Oil Vaporizer and Burner" Patentee: Ephraim Ralph, of Duluth, Minnesota (county of St. Louis). No assignee is identified. Dates: Application filed March 8, 1889 (Serial No. 802,492); Letters Patent dated…

    View full analysis →added 9/21/2026
  • US4220673
    0 cases1/8 sections

    Patent Overview: US 4,220,673 A Title: Low-temperature steam desorbate process for improved instant tea Patent number: US 4,220,673 A Inventor: Rudolf G. K. Strobel Assignee: Procter and Gamble Co (original and current assignee as listed)…

    View full analysis →added 9/23/2026