Patent No. EP2569633 (titled "Compositions And Methods Of Identifying Tumor Specific Neoantigens") was filed by Dana Farber Cancer Institute on May 16, 2011. The application was issued on Feb 10, 2016.

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 |
|---|---|---|
| STRAWMAN | Nov 10, 2016 | MEWBURN ELLIS |
| AGENUS | Nov 9, 2016 | CARPMAELS & RANSFORD |
| JAMES POOLE | Nov 9, 2016 | HOFFMANN EITLE |
| MÜLLER, CHRISTIAN | Nov 9, 2016 | SCHNAPPAUF |
| GRITSTONE ONCOLOGY | Nov 7, 2016 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB |
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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