Bleaching And Colouring Composition For Hair

Patent No. EP2793817 (titled "Bleaching And Colouring Composition For Hair") was filed by KAO Germany on Dec 20, 2012. 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
L'OREALJun 22, 2021LOREAL
HENKELJun 21, 2021-

Dossier Documents

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.

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EP2793817

KAO GERMANY
Application Number
EP12815682A
Filing Date
Dec 20, 2012
Status
Granted And Under Opposition
Aug 21, 2020
Publication Date
Sep 23, 2020