The catalog
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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Drop a US patent number — we’ll verify it on Google Patents and generate the full invalidity dossier.
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- US37601790 cases1/8 sections
Patent Overview — US 3,760,179 Title: "Indirectly Lighted Panels for Walls and Ceilings" Assignee: None named. The source lists the original and current assignee as "Individual," with inventor Conley R. Addington, Jr., 9626 Banes St…
View full analysis →added 9/23/2026 - US37617030 cases1/8 sections
I'll verify the patent details against available sources before summarizing. Search verification note I searched for US 3,761,703 specifically. The results confirm the bibliographic record below (Google Patents and uspto.report both return…
View full analysis →added 9/23/2026 - US3768580 cases1/8 sections
Patent Overview — US 376,858 Title: Thread-holder for spools Patentee: Ernest C. Cone, of East Hampton, Connecticut (the source lists no assignee) Dates: Application filed April 4, 1888; Letters Patent dated January 24, 1888 (as printed in…
View full analysis →added 9/23/2026 - US37815370 cases1/8 sections
Patent Overview — US 3,781,537 A ("Bezel assembly") Bibliographic data (as supplied): U.S. Patent No. 3,781,537 A; application no. US00240187A; inventor C. Ramsey; original assignee General Motors Corp.; current assignee listed as Motors…
View full analysis →added 9/23/2026 - US37931650 cases1/8 sections
US Patent 3,793,165 — "Method of electrodeposition using catalyzed hydrogen" Bibliographic data (per supplied text): Inventors W. Juda and R. Novak. Original assignee Prototech Inc.; current assignee listed as E Tek Inc. Application…
View full analysis →added 9/23/2026 - US38130470 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 - US38332970 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 - US38413120 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 - US38754560 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 - US38929590 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 - US39490720 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 - US39581130 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 - US40179750 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 - US40436360 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 - US40871010 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 - US41178460 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 - US41283320 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 - US41480450 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 - US41678140 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 - US41775010 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