IP Verse

Tumor-Treating Pharmaceutical Composition

Patent No. EP3581183 (titled "Tumor-Treating Pharmaceutical Composition") was filed by Eisai R&D Management on Feb 6, 2018. The application was issued on Nov 29, 2023.

Patent Summary

Patent Family

Patent family tree
Statuses, jurisdictions and citation links are shared on request.

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 DateRepresentative
STADA ARZNEIMITTELAug 29, 2024HAMM&WITTKOPP PATENTANWÄLTE PARTMBB

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.

  • Date

    Description

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