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IP Verse

Dispersant Effect On Aluminum Pigments - EP3325559

The patent EP3325559 was granted to SUN Chemical on May 27, 2020. The application was filed on Jul 22, 2016 under application number EP16751059A. The patent is currently recorded with a legal status of "Revoked".

EP3325559

SUN CHEMICAL
Application Number
EP16751059A
Filing Date
Jul 22, 2016
Status
Revoked
Sep 15, 2025
Publication Date
May 27, 2020
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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
ECKARTFeb 24, 2021STRYCHADMISSIBLE
SCHLENK METALLIC PIGMENTSFeb 24, 2021ABITZ & PARTNERADMISSIBLE

Patent Citations (14) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTUS2005244584
INTERNATIONAL-SEARCH-REPORTWO0024946
INTERNATIONAL-SEARCH-REPORTWO2014042639
OPPOSITIONEP0081599
OPPOSITIONEP0826745
OPPOSITIONEP3053973
OPPOSITIONJP2014074127
OPPOSITIONJP2015183064
OPPOSITIONUS2010279083
OPPOSITIONWO2009083176
OPPOSITIONWO2009144023
OPPOSITIONWO2014042639
OPPOSITIONWO2014096379
OPPOSITIONWO2015046555

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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