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Two-Part Hair Colouring Composition - EP2658508

The patent EP2658508 was granted to KAO Germany on Jun 19, 2024. The application was originally filed on Dec 23, 2011 under application number EP11801755A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP2658508

KAO GERMANY
Application Number
EP11801755A
Filing Date
Dec 23, 2011
Status
Patent Maintained As Amended
May 17, 2024
Publication Date
Jun 19, 2024
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.

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HENKELMar 15, 2022-ADMISSIBLE

Patent Citations (8) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTDE4430521
INTERNATIONAL-SEARCH-REPORTEP0763355
INTERNATIONAL-SEARCH-REPORTEP2204160
OPPOSITIONEP1366753
OPPOSITIONEP1935456
OPPOSITIONJP2000297018
OPPOSITIONJP2003081790
OPPOSITIONWO2009019048

Dossier Documents

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