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Agent For Oxidative Hair Dye And Method For Stabilizing Color Tone Of Oxidative Hair Dye Composition - EP3272397B1

PatentPatent Analysis

EP3272397

HOYU
Application Number
EP17181697A
Filing Date
Jul 17, 2017
Status
Revoked
Mar 18, 2022
Grant Date
Aug 28, 2019
External Links
Slate, Register, Google Patents
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Bibliography

The patent EP3272397B1 was granted to Hoyu on Aug 28, 2019 following the initial filing on Jul 17, 2017 under the application number EP17181697A . The current legal status of the patent is Revoked.

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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.

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L'OREALMay 28, 2020ADMISSIBLE
HENKELMay 25, 2020ADMISSIBLE

Dossier Documents

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