Process For Oxidative Dyeing Hair

Patent No. EP3346973 (titled "Process For Oxidative Dyeing Hair") was filed by KAO Germany on Mar 15, 2016. The application was issued on Sep 23, 2020.

Patent Summary

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Patent Family

Patent Oppositions (2)

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
LOREALJun 22, 2021LOREAL
L'OREALJun 22, 2021LOREAL

Dossier Documents

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EP3346973

KAO GERMANY
Application Number
EP16709950A
Filing Date
Mar 15, 2016
Status
Opposition Rejected
Oct 10, 2025
Publication Date
Sep 23, 2020