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IP Verse

Antibodies With Modified Affinity To Fcrn That Promote Antigen Clearance - EP2552955

The patent EP2552955 was granted to Chugai Seiyaku Kabushiki Kaisha on May 3, 2017. The application was filed on Mar 30, 2011 under application number EP11714860A. The patent is currently recorded with a legal status of "Revoked".

EP2552955

CHUGAI SEIYAKU KABUSHIKI KAISHA
Application Number
EP11714860A
Filing Date
Mar 30, 2011
Status
Revoked
Sep 23, 2022
Publication Date
May 3, 2017
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (7)

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
SHIRE HUMAN GENETIC THERAPIESFeb 5, 2018HOFFMANN EITLEADMISSIBLE
TILLOTTS PHARMAFeb 5, 2018LEDERER & KELLERADMISSIBLE
TILLOTTS PHARMAFeb 5, 2018LEDERER & KELLER PATENTANWALTE PARTNERSCHAFT MBBADMISSIBLE
ABLYNXFeb 2, 2018HOFFMANN EITLEADMISSIBLE
GLAXO GROUPFeb 2, 2018DRURYADMISSIBLE
MURPHYFeb 2, 2018COOLEY UKADMISSIBLE
ALEXION PHARMACEUTICALSFeb 2, 2018J A KEMPWITHDRAWN

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

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Dossier Documents

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