Patent No. EP3292873 (titled "Combination Of Vaccination And Inhibition Of The Pd-1 Pathway") was filed by Curevac on Feb 21, 2014. The application was issued on May 1, 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 |
|---|---|---|
| ETHERNA IMMUNOTHERAPIES | Feb 3, 2020 | ARNOLD & SIEDSMA |
| JAMES POOLE | Feb 3, 2020 | CARPMAELS & RANSFORD |
| PFIZER | Feb 3, 2020 | DORRIES |
| PFIZER | Feb 3, 2020 | DORRIES, HANS ULRICH , DF-MP DORRIES FRANK-MOLNIA & POHLMAN |
| BIONTECH | Jan 31, 2020 | THOMANN |
| MERCK PATENT | Jan 31, 2020 | - |
| STRAWMAN | Jan 31, 2020 | 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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