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Hair Colouring Composition - EP2658513

The patent EP2658513 was granted to KAO Germany on Nov 29, 2023. The application was originally filed on Dec 23, 2011 under application number EP11805860A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP2658513

KAO GERMANY
Application Number
EP11805860A
Filing Date
Dec 23, 2011
Status
Patent Maintained As Amended
Oct 27, 2023
Publication Date
Nov 29, 2023
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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HENKELDec 16, 2019LKGLOBAL LORENZ & KOPFWITHDRAWN

Patent Citations (11) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTDE4430522
INTERNATIONAL-SEARCH-REPORTEP0928608
INTERNATIONAL-SEARCH-REPORTEP1291006
INTERNATIONAL-SEARCH-REPORTEP2204160
OPPOSITIONEP2198843
OPPOSITIONJP2003081790
OPPOSITIONUS2005196367
OPPOSITIONUS2010175203
OPPOSITIONWO0007552
OPPOSITIONWO2009019048
OPPOSITIONWO9936046

Dossier Documents

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    Description

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