Silverpigments

Patent No. EP1469041 (titled "Silverpigments") was filed by Merck Patent on Mar 9, 2004. The application was issued on May 27, 2015.

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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 DateRepresentative
ECKARTFeb 29, 2016LOUIS POHLAU LOHRENTZ
BASFFeb 25, 2016VO

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

EP1469041

MERCK PATENT
Application Number
EP04005556A
Filing Date
Mar 9, 2004
Status
Revoked
Jun 15, 2018
Publication Date
May 27, 2015