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IP Verse

Method To Prevent Discoloration Of Colored Liquids - EP2931862

The patent EP2931862 was granted to Henkel on Apr 29, 2020. The application was filed on Dec 9, 2013 under application number EP13802950A. The patent is currently recorded with a legal status of "Revoked".

EP2931862

HENKEL
Application Number
EP13802950A
Filing Date
Dec 9, 2013
Status
Revoked
Nov 4, 2022
Publication Date
Apr 29, 2020
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
UNILEVER UNILEVER UNILEVERDec 21, 2020BROOIJMANSADMISSIBLE

Patent Citations (13) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTUS3812042
INTERNATIONAL-SEARCH-REPORTWO0036074
INTERNATIONAL-SEARCH-REPORTWO0136542
INTERNATIONAL-SEARCH-REPORTWO0149575
INTERNATIONAL-SEARCH-REPORTWO9726315
OPPOSITIONGB2359818
OPPOSITIONUS2005245429
OPPOSITIONUS2010120655
OPPOSITIONUS8470755
OPPOSITIONWO03006074
OPPOSITIONWO2006004876
OPPOSITIONWO2006029188
OPPOSITIONWO2009059872

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

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