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IP Verse

Tumor-Treating Pharmaceutical Composition - EP3581183

The patent EP3581183 was granted to Eisai R&D Management on Nov 29, 2023. The application was filed on Feb 6, 2018 under application number EP18751614A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3581183

EISAI R&D MANAGEMENT
Application Number
EP18751614A
Filing Date
Feb 6, 2018
Status
Granted And Under Opposition
Oct 27, 2023
Publication Date
Nov 29, 2023
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

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
STADA ARZNEIMITTELAug 29, 2024HAMM & WITTKOPPADMISSIBLE

Patent Citations (20) New

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

Citation PhasePublication Number
DESCRIPTIONUS2004253205
DESCRIPTIONUS2004259834
DESCRIPTIONUS2009209580
DESCRIPTIONUS2009264464
DESCRIPTIONUS2010105031
DESCRIPTIONUS6217866
DESCRIPTIONUS7253286
DESCRIPTIONUS9174998
DESCRIPTIONWO2009140549
INTERNATIONAL-SEARCH-REPORTJP2016528162
INTERNATIONAL-SEARCH-REPORTWO2015098853
INTERNATIONAL-SEARCH-REPORTWO2016204193
INTERNATIONAL-SEARCH-REPORTWO2016208576
OPPOSITIONUS2015005343
OPPOSITIONUS2015175615
OPPOSITIONWO2015144934
OPPOSITIONWO2016208576
SEARCHUS2015005343
SEARCHUS2015175615
SEARCHWO2016208576

Dossier Documents

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  • Date

    Description

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