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(Z)-2-Cyano-3-Hydroxy-But-2-Enoic Acid-(4'-Trifluormethylphenyl)-Amide Tablet Formulations With Improved Stability - EP2477611

The patent EP2477611 was granted to Sanofi on Apr 5, 2017. The application was originally filed on Sep 14, 2010 under application number EP10752585A. The patent is currently recorded with a legal status of "Revoked".

EP2477611

SANOFI
Application Number
EP10752585A
Filing Date
Sep 14, 2010
Status
Revoked
Feb 14, 2023
Publication Date
Apr 5, 2017
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (3)

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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PENTAFARMA SOCIEDADE TECNICO MEDICINALJan 4, 2018LEDERER & KELLER PATENTANWALTE PARTNERSCHAFT MBBADMISSIBLE
WUESTHOFF & WUESTHOFF PATENTANWALTE PARTG MBBDec 29, 2017WIBBELMANNADMISSIBLE
COOKEDec 19, 2017ELKINGTON AND FIFEADMISSIBLE

Patent Citations (19) New

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

Citation PhasePublication Number
DESCRIPTIONEP1381356
DESCRIPTIONUS4965276
DESCRIPTIONUS5459163
DESCRIPTIONUS5679709
DESCRIPTIONUS5990141
DESCRIPTIONWO2007118684
INTERNATIONAL-SEARCH-REPORTEP1381356
INTERNATIONAL-SEARCH-REPORTUS2006024376
INTERNATIONAL-SEARCH-REPORTWO2007118684
OPPOSITIONEP0787491
OPPOSITIONEP1381356
OPPOSITIONEP1810676
OPPOSITIONEP1990048
OPPOSITIONGB2394660
OPPOSITIONUS2006024376
OPPOSITIONUS4965276
OPPOSITIONUS6221891
OPPOSITIONWO0160363
OPPOSITIONWO2007118684

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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