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Compositions And Methods Of Cellular Immunotherapy

Patent No. EP3445407 (titled "Compositions And Methods Of Cellular Immunotherapy") was filed by Cafa Therapeutics on Apr 21, 2017. The application was issued on Dec 14, 2022.

Patent Summary

Treating solid tumors by combining CAR T cell therapy with lymphocyte reduction treatments like chemotherapy. The CAR T cells target the tumor antigen GPC3. Giving the CAR T cells after or concurrently with chemotherapy enhances tumor shrinkage compared to just CAR T cells alone. The chemotherapy reduces normal lymphocytes, allowing expanded CAR T cells to better attack the tumor.

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Patent Oppositions (2)

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
MURGITROYDSep 13, 2023MURGITROYD
SOTIO BIOTECHSep 12, 2023MAIWALD PATENT- UND RECHTSANWALTSGESELLSCHAFT MBH

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

EP3445407

CAFA THERAPEUTICS
Application Number
EP17833264A
Filing Date
Apr 21, 2017
Status
Granted And Under Opposition
Nov 11, 2022
Publication Date
Dec 14, 2022
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