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IP Verse

Combination Therapy Involving Antibodies Against Claudin 18.2 For Treatment Of Cancer - EP3791896

The patent EP3791896 was granted to Astellas Pharma on Jan 10, 2024. The application was originally filed on May 21, 2013 under application number EP20194625A. The patent is currently recorded with a legal status of "Revoked".

EP3791896

ASTELLAS PHARMA
Application Number
EP20194625A
Filing Date
May 21, 2013
Status
Revoked
May 23, 2025
Publication Date
Jan 10, 2024
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (4)

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

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DR H ULRICH DORRIESOct 10, 2024DORRIESADMISSIBLE
DR H ULRICH DORRIESOct 10, 2024DORRIES, HANS ULRICH , DF-MP DORRIES FRANK-MOLNIA & POHLMANADMISSIBLE
DR STRAUSOct 10, 2024STRAUSADMISSIBLE
MAIWALDOct 8, 2024MAIWALDADMISSIBLE

Patent Citations (16) New

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

Citation PhasePublication Number
DESCRIPTIONEP0338841
DESCRIPTIONUS2003118592
DESCRIPTIONUS2003133939
DESCRIPTIONWO0243478
DESCRIPTIONWO2004035607
DESCRIPTIONWO8704462
DESCRIPTIONWO8901036
OPPOSITIONEP3254695
OPPOSITIONWO2007059997
OPPOSITIONWO2008145338
OPPOSITIONWO2013174510
OTHEREP3254695
SEARCHUS2012020989
SEARCHWO2008145338
SEARCHWO2010009794
SEARCHWO2011090005

Dossier Documents

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    Description

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