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IP Verse

Cytotoxicity-Inducing Therapeutic Agent - EP2647707

The patent EP2647707 was granted to Chugai Seiyaku Kabushiki Kaisha on Sep 12, 2018. The application was filed on Nov 30, 2011 under application number EP11845786A. The patent is currently recorded with a legal status of "Revoked".

EP2647707

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

Patent Summary

Patent Family

Patent Family

Patent Oppositions (5)

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
BOEHRINGER INGELHEIMJun 12, 2019HOFFMANN EITLEADMISSIBLE
GENMABJun 12, 2019J A KEMPADMISSIBLE
JAMES POOLEJun 12, 2019CARPMAELS & RANSFORDADMISSIBLE
MATHYS & SQUIREJun 12, 2019REDHOUSEADMISSIBLE
JANSSEN BIOTECHMay 24, 2019CARPMAELS & RANSFORDADMISSIBLE

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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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