Lubricating Oil Composition

Patent No. EP3950905 (titled "Lubricating Oil Composition") was filed by Idemitsu Kosan on Mar 25, 2020. The application was issued on Jan 17, 2024.

Patent Summary

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Patent Family

Patent Oppositions

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentative
AFTON CHEMICALOct 15, 2024J A KEMP

Dossier Documents

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EP3950905

IDEMITSU KOSAN
Application Number
EP20784748A
Filing Date
Mar 25, 2020
Status
Granted And Under Opposition
Dec 15, 2023
Publication Date
Jan 17, 2024