Patent No. EP2849754 (titled "A Xanthine Derivative As Dpp-4 Inhibitor For Use In The Treatment Of Sirs And/Or Sepsis") was filed by Boehringer Ingelheim on May 13, 2013. The application was issued on Sep 14, 2022.

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 |
|---|---|---|
| SANDOZ | Jun 13, 2023 | ELKINGTON AND FIFE |
| POLPHARMA | Jun 5, 2023 | HAMM & WITTKOPP |
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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