IP Verse

Agent For Oxidative Hair Dye And Method For Stabilizing Color Tone Of Oxidative Hair Dye Composition

Patent No. EP3272397 (titled "Agent For Oxidative Hair Dye And Method For Stabilizing Color Tone Of Oxidative Hair Dye Composition") was filed by Hoyu on Jul 17, 2017. The application was issued on Aug 28, 2019.

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'OREALMay 28, 2020LOREAL
HENKELMay 25, 2020-

Dossier Documents

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EP3272397

HOYU
Application Number
EP17181697A
Filing Date
Jul 17, 2017
Status
Revoked
Mar 18, 2022
Publication Date
Aug 28, 2019
External Links
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