Combination Therapy Involving Antibodies Against Claudin 18.2 For Treatment Of Cancer

Patent No. EP3725810 (titled "Combination Therapy Involving Antibodies Against Claudin 18.2 For Treatment Of Cancer") was filed by Astellas Pharma on May 21, 2013. The application was issued on Jul 6, 2022.

Patent Summary

Enhancing the effectiveness of cancer immunotherapy by combining an anti-CLDN18.2 antibody with agents that stimulate gamma delta T cells and optionally chemotherapeutic agents that stabilize CLDN18.2 expression. This synergistic treatment approach leverages the antibody's ability to bind CLDN18.2, a gastric cancer antigen, with agents that activate gamma delta T cells and potentially increase CLDN18.2 expression on cancer cells. The combination improves cancer cell killing by the antibody and immune response.

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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
BAYERApr 6, 2023BIP PATENTS
MAIWALDApr 6, 2023MAIWALD

Dossier Documents

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EP3725810

ASTELLAS PHARMA
Application Number
EP20163993A
Filing Date
May 21, 2013
Status
Revoked
Jan 3, 2025
Publication Date
Jul 6, 2022