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IP Verse

Formulations Of Enzalutamide - EP3725778

The patent EP3725778 was granted to Astellas Pharma on Aug 18, 2021. The application was originally filed on Sep 11, 2013 under application number EP20177837A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3725778

ASTELLAS PHARMA
Application Number
EP20177837A
Filing Date
Sep 11, 2013
Status
Granted And Under Opposition
Jul 16, 2021
Publication Date
Aug 18, 2021
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (11)

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

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ACCORD HEALTHCAREMay 18, 2022TER MEER STEINMEISTER & PARTNERADMISSIBLE
ALFRED E TIEFENBACHERMay 18, 2022HAMM & WITTKOPPADMISSIBLE
BULLE DRMay 18, 2022KUTZENBERGER WOLFF & PARTNERADMISSIBLE
ELKINGTON AND FIFEMay 18, 2022ELKINGTON AND FIFEADMISSIBLE
HAMM & WITTKOPPMay 18, 2022HAMM & WITTKOPPADMISSIBLE
MAIWALDMay 18, 2022MAIWALDADMISSIBLE
STADA ARZNEIMITTELMay 18, 2022HAMM & WITTKOPPADMISSIBLE
SYNTHONMay 18, 2022HAMM & WITTKOPPADMISSIBLE
DR SCHONMay 17, 2022DR SCHONADMISSIBLE
ZENTIVA KSMay 13, 2022REDDIE & GROSEADMISSIBLE
SANDOZMay 11, 2022MAIWALDADMISSIBLE

Patent Citations (24) New

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

Citation PhasePublication Number
DESCRIPTIONUS2002009494
DESCRIPTIONUS2002031547
DESCRIPTIONUS7611630
DESCRIPTIONUS7709517
OPPOSITIONEP0901786
OPPOSITIONEP1741424
OPPOSITIONEP1893196
OPPOSITIONEP3725778
OPPOSITIONUS2002009494
OPPOSITIONUS2007004753
OPPOSITIONWO02067893
OPPOSITIONWO03032950
OPPOSITIONWO03043606
OPPOSITIONWO03063821
OPPOSITIONWO2010114928
OPPOSITIONWO2014043208
OTHEREP1741424
OTHERUS2007004753
OTHERUS7709517
OTHERWO03063821
OTHERWO2014043208
SEARCHUS2007004753
SEARCHUS7709517
SEARCHWO03063821

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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