Patent No. EP2285410 (titled "Dpp-Iv Inhibitor Combined With A Further Antidiabetic Agent, Tablets Comprising Such Formulations, Their Use And Process For Their Preparation") was filed by Boehringer Ingelheim on Apr 2, 2009. The application was issued on Sep 26, 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 |
|---|---|---|
| ISARPATENT | Jun 26, 2019 | ISARPATENT |
| GALENICUM HEALTH SLU | Jun 25, 2019 | TORREJON NIETO |
| HEXAL | Jun 25, 2019 | ELKINGTON AND FIFE |
| HGF | Jun 25, 2019 | - |
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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