The weekly litigation news digest is live. Subscribe now

IP Verse

Hair Dyeing Method - EP3684475

The patent EP3684475 was granted to KAO on Jun 11, 2025. The application was originally filed on Sep 20, 2018 under application number EP18786057A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3684475

KAO
Application Number
EP18786057A
Filing Date
Sep 20, 2018
Status
Patent Maintained As Amended
May 9, 2025
Publication Date
Jun 11, 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

L'OREALDec 14, 2022LOREALADMISSIBLE

Patent Citations (12) New

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

Citation PhasePublication Number
DESCRIPTIONJP2010024158
DESCRIPTIONJPH06271435
INTERNATIONAL-SEARCH-REPORTEP2151232
INTERNATIONAL-SEARCH-REPORTEP2883530
INTERNATIONAL-SEARCH-REPORTEP3153154
INTERNATIONAL-SEARCH-REPORTUS2012017931
INTERNATIONAL-SEARCH-REPORTUS2017258695
INTERNATIONAL-SEARCH-REPORTWO2017041907
OPPOSITIONEP1369105
OPPOSITIONEP3153153
OPPOSITIONJP2010024158
OPPOSITIONUS2010146716

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