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IP Verse

Antibodies With Modified Affinity To Fcrn That Promote Antigen Clearance

Patent No. EP2552955 (titled "Antibodies With Modified Affinity To Fcrn That Promote Antigen Clearance") was filed by Chugai Seiyaku Kabushiki Kaisha on Mar 30, 2011. The application was issued on May 3, 2017.

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 DateRepresentative
SHIRE HUMAN GENETIC THERAPIESFeb 5, 2018HOFFMANN EITLE
TILLOTTS PHARMAFeb 5, 2018LEDERER & KELLER
TILLOTTS PHARMAFeb 5, 2018LEDERER & KELLER PATENTANWALTE PARTNERSCHAFT MBB
ABLYNXFeb 2, 2018HOFFMANN EITLE
GLAXO GROUPFeb 2, 2018DRURY
MURPHYFeb 2, 2018COOLEY UK
ALEXION PHARMACEUTICALSFeb 2, 2018J A KEMP

Dossier Documents

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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, EP2552955B1, Google Patents