Patent No. EP3173092 (titled "Rna Containing Composition For Treatment Of Tumor Diseases") was filed by Curevac on Apr 22, 2016. The application was issued on Jun 26, 2019.

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 |
|---|---|---|
| BIONTECH RNA PHARMACEUTICALS | Mar 26, 2020 | THOMANN |
| ETHERNA IMMUNOTHERAPIES | Mar 26, 2020 | ARNOLD & SIEDSMA |
| KONIG SZYNKA TILMANN VON RENESSE | Mar 26, 2020 | HOFFMANN EITLE |
| FRIEDRICH | Mar 26, 2020 | FRIEDRICH |
| SANOFI | Mar 26, 2020 | LAVOIX |
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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