IP Verse

Cytotoxicity-Inducing Therapeutic Agent

EP2647707

CHUGAI SEIYAKU KABUSHIKI KAISHA
Application Number
EP11845786A
Filing Date
Nov 30, 2011
Status
Revoked
Aug 4, 2023
Grant Date
Sep 12, 2018
External Links
Slate, Register, Google Patents
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Biblio Summary

The patent EP2647707B1 was granted on Sep 12, 2018 by Chugai Seiyaku Kabushiki Kaisha The patent is currently Revoked.

Patent Oppositions filed by Competitors

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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BOEHRINGER INGELHEIM RCV BOEHRINGER INGELHEIMJun 12, 2019ADMISSIBLE
GENMABJun 12, 2019ADMISSIBLE
JAMES POOLEJun 12, 2019ADMISSIBLE
MATHYS & SQUIREJun 12, 2019ADMISSIBLE
JANSSEN BIOTECHMay 24, 2019ADMISSIBLE

Patents Cited during Opposition New

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
OppositionEP2647707B1
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OppositionWO0042072
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OppositionWO9627011
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OppositionWO2006020114
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OppositionWO2006105338
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OppositionUS5648260
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OppositionWO9850431
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OppositionWO2006106905
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OppositionUS5624821
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OppositionWO9958572
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OppositionWO03035835
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OppositionWO2009041613
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OppositionWO2004035607
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OppositionWO2009053368
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OppositionUS2003078385
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OppositionWO2005118635
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OppositionUS2008317758
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OppositionWO2009080252
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OppositionWO2009080253
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OppositionWO2010151792
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OppositionEP1870459
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OppositionEP2194006
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OppositionUS2006235208
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OppositionWO2007147901
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OppositionEP2194066
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OppositionUS5585097
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OppositionWO2005063815
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OppositionWO2010085682
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OppositionWO2010120561
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OppositionEP2445936
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OppositionEP2576621
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OppositionUS2004002587
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OppositionUS2005118174
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OppositionUS2010178298
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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.

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