Patent No. EP3635408 (titled "Methods For Predicting The Usefulness Of Disease Specific Amino Acid Modifications For Immunotherapy") was filed by Biontech on Jun 1, 2018. The application was issued on Apr 30, 2025.

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 |
|---|---|---|
| MERCK SHARP & DOHME | Jan 30, 2026 | CARPMAELS & RANSFORD |
| STRAWMAN | Jan 30, 2026 | HOFFMANN EITLE |
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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