Liquid Composition Comprising Hair Direct Dyes And One Or More Diols

Patent No. EP3568119 (titled "Liquid Composition Comprising Hair Direct Dyes And One Or More Diols") was filed by KAO Germany on Nov 9, 2017. The application was issued on Nov 27, 2024.

Patent Summary

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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'OREALFeb 16, 2023LOREAL
HENKELFeb 8, 2023-

Dossier Documents

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EP3568119

KAO GERMANY
Application Number
EP17794345A
Filing Date
Nov 9, 2017
Status
Patent Maintained As Amended
Oct 25, 2024
Publication Date
Nov 27, 2024