Patent No. EP3209691 (titled "Method And Compositions For Inducing Differentiation Of Myeloid Derived Suppressor Cell To Treat Cancer And Infectious Diseases") was filed by OSE Immunotherapeutics on Oct 21, 2015. The application was issued on Jul 15, 2020.

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.
| Company | Opposition Date | Representative |
|---|---|---|
| BYONDIS | Apr 15, 2021 | T HOEN VAN DER HOOGT |
| BYONDIS | Apr 15, 2021 | VAN GENT |
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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