Patent No. EP2436684 (titled "Salts Of Methyl (R)-7-[3-Amino-4-(2,4,5-Trifluoro-Phenyl)-Butyryl]-3-Trifluoromethyl-5,6,7,8-Tetrahydro-Imidazo[1,5-A]Pyrazine-1-Carboxylate") was filed by Jiangsu Hengrui Medicine on Apr 29, 2010. The application was issued on Mar 4, 2015.

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.
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.
Date
Description
Get instant alerts for new documents