IP Verse

Crystalline Methylthioninium Chloride Hydrates

Patent No. EP3378856 (titled "Crystalline Methylthioninium Chloride Hydrates") was filed by Wista Laboratories on Sep 23, 2010. The application was issued on Dec 2, 2020.

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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
GRNECKERSep 1, 2021GRUNECKER PATENT
GRUNECKER PATENT UND RECHTSANWALTE PARTG MBBSep 1, 2021GRUNECKER PATENT

Dossier Documents

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  • Date

    Description

EP3378856

WISTA LABORATORIES
Application Number
EP18170358A
Filing Date
Sep 23, 2010
Status
Opposition Rejected
Jun 23, 2023
Publication Date
Dec 2, 2020
External Links
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