EP3524595

EISAI R&D MANAGEMENT
Application Number
EP19151846A
Filing Date
Aug 26, 2015
Status
Granted And Under Opposition
Jul 8, 2022
Grant Date
Aug 10, 2022
External Links
Slate, Register, Google Patents
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Biblio Summary

The patent EP3524595B1 was granted on Aug 10, 2022 by Eisai R&D Management 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 10, 2023ADMISSIBLE
AECHTERMay 10, 2023ADMISSIBLE
GENERICS UKMay 10, 2023ADMISSIBLE
MAIWALDMay 10, 2023ADMISSIBLE
STADA ARZNEIMITTELMay 10, 2023ADMISSIBLE
WELDINGMay 10, 2023ADMISSIBLE
HANSENMay 9, 2023ADMISSIBLE
TEVA PHARMACEUTICAL INDUSTRIESMay 9, 2023ADMISSIBLE
ELKINGTON AND FIFEMay 4, 2023ADMISSIBLE

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
OppositionEP3524595B1
N/A
OppositionEP1698623
N/A
OppositionEP1797881
N/A
OppositionWO0232872
N/A
OppositionWO2004101526
N/A
OppositionWO2005044788
N/A
OppositionWO2005063713
N/A
OppositionWO2006030826
N/A
OppositionEP1683785
N/A
OppositionWO2006137474
N/A
OppositionEP1777218
N/A
OppositionUS2007117842
N/A
OppositionEP1894918
N/A
OppositionUS2004053908
N/A
OppositionUS2007004773
N/A
OppositionUS2007037849
N/A
OppositionUS2007078159
N/A
OppositionUS2008214604
N/A
OppositionJP2014174062
N/A
OppositionJP2015034729
N/A
OppositionEP1698923
N/A
OppositionCN107305202
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.