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IP Verse

Tumor Therapeutic Agent - EP3338779

The patent EP3338779 was granted to Eisai R&D Management on Jun 30, 2021. The application was filed on Aug 18, 2016 under application number EP16837150A. The patent is currently recorded with a legal status of "Revoked".

EP3338779

EISAI R&D MANAGEMENT
Application Number
EP16837150A
Filing Date
Aug 18, 2016
Status
Revoked
Aug 30, 2025
Publication Date
Jun 30, 2021
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 ARZNEIMITTELMar 29, 2022HAMM & WITTKOPPADMISSIBLE

Dossier Documents

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.

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    Description

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