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IP Verse

Medicinal Composition For Treating Cancer - EP3431105

The patent EP3431105 was granted to Osaka University on Jan 1, 2020. The application was filed on Mar 28, 2018 under application number EP18775737A. The patent is currently recorded with a legal status of "Revoked".

EP3431105

OSAKA UNIVERSITY
Application Number
EP18775737A
Filing Date
Mar 28, 2018
Status
Revoked
Jul 4, 2025
Publication Date
Jan 1, 2020
External Links
Slate, Register, Google Patents

Patent Summary

Antitumor drug that inhibits immunosuppression mediated by Treg cells or the like. The drug includes an antibody against CCR8 which inhibits immunosuppression mediated by Treg cells or the like and to provide a pharmaceutical composition for cancer treatment.

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
GEVERS & ORESOct 1, 2020GEVERS PATENTSADMISSIBLE
J A KEMPOct 1, 2020J A KEMPADMISSIBLE
SCHIWECK WEINZIERL KOCH PATENTANWALTE PARTNERSCHAFT MBBOct 1, 2020SCHIWECK WEINZIERL KOCH PATENTANWALTE PARTNERSCHAFT MBBADMISSIBLE
GLAXOSMITHKLINESep 30, 2020KIMADMISSIBLE
KONIG SZYNKA TILMANN VON RENESSESep 16, 2020KONIG SZYNKA TILMANN VON RENESSE PATENTANWALTE PARTNERSCHAFT MBB DUSSELDORFADMISSIBLE

Patent Citations (29) New

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

Citation PhasePublication Number
DESCRIPTIONWO0231140
DESCRIPTIONWO2005035586
DESCRIPTIONWO9411523
INTERNATIONAL-SEARCH-REPORTWO2007044756
INTERNATIONAL-SEARCH-REPORTWO2013131010
INTERNATIONAL-SEARCH-REPORTWO2015179236
INTERNATIONAL-SEARCH-REPORTWO2017198631
OPPOSITIONJP2017065603
OPPOSITIONJP2017185935
OPPOSITIONUS10087259
OPPOSITIONUS2009214533
OPPOSITIONWO2007044756
OPPOSITIONWO2008073160
OPPOSITIONWO2013131010
OPPOSITIONWO2015063187
OPPOSITIONWO2015179236
OPPOSITIONWO2016092419
OPPOSITIONWO2017198631
OPPOSITIONWO2017205014
OPPOSITIONWO2018112032
OPPOSITIONWO2018181425
OTHEREP3616720
OTHERJP2017065603
OTHERJP2017185935
OTHERWO2007044756
OTHERWO2013131010
OTHERWO2016092419
OTHERWO2017198631
SEARCHWO2018112032

Dossier Documents

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