The weekly litigation news digest is live. Subscribe now

Bleaching Composition Comprising A Polyhydroxy Carboxylic Acid - EP2658510

The patent EP2658510 was granted to KAO Germany on Apr 2, 2025. The application was originally filed on Dec 23, 2011 under application number EP11807932A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP2658510

KAO GERMANY
Application Number
EP11807932A
Filing Date
Dec 23, 2011
Status
Patent Maintained As Amended
Feb 28, 2025
Publication Date
Apr 2, 2025
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

Get instant alerts for new oppositions and patent status changes

HENKELApr 16, 2019-WITHDRAWN

Patent Citations (12) New

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

Citation PhasePublication Number
EXAMINATIONUS2004221401
INTERNATIONAL-SEARCH-REPORTUS2004253283
INTERNATIONAL-SEARCH-REPORTUS2005011017
INTERNATIONAL-SEARCH-REPORTUS2005129644
INTERNATIONAL-SEARCH-REPORTUS5961667
INTERNATIONAL-SEARCH-REPORTWO2005065632
OPPOSITIONDE19705875
OPPOSITIONEP2055296
OPPOSITIONFR2852834
OPPOSITIONJP2002205924
OPPOSITIONJPH08175940
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.

  • Date

    Description

  • Get instant alerts for new documents