The Weekly Litigation News Digest is now live. Subscribe now

Agents For An Oxidative Color Change Of Keratin Fibers With Complexing Agent And Amino Acid And/Or Protein Hydrolysate - EP4213799

The patent EP4213799 was granted to Henkel on Nov 6, 2024. The application was originally filed on Aug 30, 2021 under application number EP21772718A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4213799

HENKEL
Application Number
EP21772718A
Filing Date
Aug 30, 2021
Status
Granted And Under Opposition
Oct 3, 2024
Publication Date
Nov 6, 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.

CompanyOpposition DateRepresentativeOpposition Status

Get instant alerts for new oppositions and patent status changes

WELLA GERMANYAug 6, 2025ZIEBIG HENGELHAUPT ATTORNEYS PATENTANWALTSKANZLEI PARTGMBBADMISSIBLE

Patent Citations (19) New

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

Citation PhasePublication Number
DESCRIPTIONEP1462090
DESCRIPTIONEP1714634
EXAMINATIONEP1813259
EXAMINATIONUS2020197281
EXAMINATIONUS7303588
EXAMINATIONWO02089754
INTERNATIONAL-SEARCH-REPORTDE102006047732
INTERNATIONAL-SEARCH-REPORTDE102010001994
INTERNATIONAL-SEARCH-REPORTDE102016212430
OPPOSITIONDE102016212430
OPPOSITIONEP1475074
OPPOSITIONEP2103299
OPPOSITIONEP2356978
OPPOSITIONUS2004237217
OPPOSITIONWO2020064268
OTHERDE102020211751
OTHERUS2020197281
OTHERUS7303588
OTHERWO2022050147

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