Patent No. EP2824181 (titled "Novel Fgfr3 Fusion Product") was filed by Astellas Pharma on Mar 7, 2013. The application was issued on Nov 14, 2018.

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 |
|---|---|---|
| BOULT WADE TENNANT | Aug 14, 2019 | BOULT WADE TENNANT |
| JAMES POOLE | Aug 12, 2019 | CARPMAELS & RANSFORD |
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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