EP3725778

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

The patent EP3725778B1 was granted on Aug 18, 2021 by Astellas Pharma The patent is currently Granted And Under Opposition.

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 DateOpposition Status

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ACCORD HEALTHCAREMay 18, 2022ADMISSIBLE
ALFRED E TIEFENBACHERMay 18, 2022ADMISSIBLE
BULLE DRMay 18, 2022ADMISSIBLE
ELKINGTON AND FIFEMay 18, 2022ADMISSIBLE
HAMM&WITTKOPP PATENTANWALTE PARTMBBMay 18, 2022ADMISSIBLE
MAIWALDMay 18, 2022ADMISSIBLE
STADA ARZNEIMITTELMay 18, 2022ADMISSIBLE
SYNTHONMay 18, 2022ADMISSIBLE
DR SCHONMay 17, 2022ADMISSIBLE
ZENTIVA KSMay 13, 2022ADMISSIBLE
SANDOZMay 11, 2022ADMISSIBLE

Patent citations in opposition refer to prior patents or publications that may challenge the validity of a contested patent. These references help assess whether the invention is truly novel or overlaps with existing intellectual property.

Citation PhasePatent NumberPatent LinkCited Text
OppositionEP3725778B1
N/A
OppositionWO2010114928
N/A
OppositionUS2007004753
N/A
OppositionWO03032950
N/A
OppositionWO03063821
N/A
OppositionWO2014043208
N/A
OppositionUS2002009494
N/A
OppositionEP1741424
N/A
OppositionEP0901786
N/A
OppositionEP1893196
N/A
OppositionWO02067893
N/A
OppositionWO03043606
N/A

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Dossier Documents of the Patent

The dossier documents provide a comprehensive record of the patent’s prosecution history, including filings, correspondence, and decisions made by patent offices. These documents are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination. It also includes the oppositions documents filed against the patent.