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Hair Colouring Composition - EP2658509

The patent EP2658509 was granted to KAO Germany on May 16, 2018. The application was originally filed on Dec 23, 2011 under application number EP11805862A. The patent is currently recorded with a legal status of "Revoked".

EP2658509

KAO GERMANY
Application Number
EP11805862A
Filing Date
Dec 23, 2011
Status
Revoked
Jun 11, 2021
Publication Date
May 16, 2018
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

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 DateRepresentativeOpposition Status

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HENKELFeb 15, 2019-ADMISSIBLE

Patent Citations (14) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
EXAMINATIONUS2004221401
INTERNATIONAL-SEARCH-REPORTEP1462092
INTERNATIONAL-SEARCH-REPORTUS2004253283
INTERNATIONAL-SEARCH-REPORTUS2005011017
INTERNATIONAL-SEARCH-REPORTUS2005129644
INTERNATIONAL-SEARCH-REPORTUS5961667
INTERNATIONAL-SEARCH-REPORTWO03053386
OPPOSITIONEP0107159
OPPOSITIONEP2196183
OPPOSITIONFR2852828
OPPOSITIONFR2852834
OPPOSITIONUS2004221401
OPPOSITIONWO0147486
OPPOSITIONWO02089754

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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    Description

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