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EP2708559

CHUGAI SEIYAKU KABUSHIKI KAISHA
Application Number
EP13195718A
Filing Date
Apr 10, 2009
Status
Granted And Under Opposition
Feb 23, 2018
Grant Date
Mar 28, 2018
External Links
Slate, Register, Google Patents
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Biblio Summary

The patent EP2708559B1 was granted on Mar 28, 2018 by Chugai Seiyaku Kabushiki Kaisha 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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ALEXION PHARMACEUTICALSDec 31, 2018WITHDRAWN
ABLYNXDec 21, 2018ADMISSIBLE
SHIRE HUMAN GENETIC THERAPIESDec 21, 2018ADMISSIBLE
JAMES POOLEDec 19, 2018ADMISSIBLE
NOVO NORDISKDec 19, 2018ADMISSIBLE
GLAXO GROUPDec 18, 2018ADMISSIBLE

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
OppositionWO03105757
N/A
OppositionEP2275443
N/A
OppositionWO2011111007
N/A
OppositionUS2005260711
N/A
OppositionWO2009139822
N/A
OppositionUS2003059937
N/A
OppositionUS5830478
N/A
OppositionWO2008043822
N/A
OppositionJP2008104147
N/A
OppositionWO9112023
N/A
OppositionUS5501854
N/A
OppositionWO9720858
N/A
OppositionWO03107009
N/A

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.