Patent No. EP3326641 (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.
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