The weekly litigation news digest is live. Subscribe now

IP Verse

Pigment Powders - EP3378900

The patent EP3378900 was granted to Merck Patent on Mar 5, 2025. The application was filed on Mar 19, 2018 under application number EP18162491A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3378900

MERCK PATENT
Application Number
EP18162491A
Filing Date
Mar 19, 2018
Status
Patent Maintained As Amended
Jan 31, 2025
Publication Date
Mar 5, 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
SUN CHEMICAL COLORS & EFFECTSApr 14, 2021ALTMANN STOSSEL DICK PATENTANWALTE PARTG MBBADMISSIBLE

Patent Citations (30) New

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

Citation PhasePublication Number
DESCRIPTIONDE1003377
DESCRIPTIONDE4305280
DESCRIPTIONDE4308282
DESCRIPTIONEP2584010
DESCRIPTIONJP2001279126
DESCRIPTIONJP2012180403
DESCRIPTIONUS6579357
DESCRIPTIONUS6743285
DESCRIPTIONUS7318862
DESCRIPTIONWO9813426
OPPOSITIONDE4305280
OPPOSITIONEP1116753
OPPOSITIONEP1661952
OPPOSITIONEP1970414
OPPOSITIONEP2584009
OPPOSITIONJP2001279126
OPPOSITIONJP2012180403
OPPOSITIONUS2008110371
OPPOSITIONUS2009185992
OPPOSITIONUS2009208436
OPPOSITIONUS2011223218
OPPOSITIONUS2012237577
OPPOSITIONUS3926659
OPPOSITIONUS4116628
OPPOSITIONWO03097750
OPPOSITIONWO9841584
SEARCHDE102007010986
SEARCHJP2001279126
SEARCHUS2005252417
SEARCHUS2008110371

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