Patent No. EP2395984 (titled "Pharmaceutical Composition Comprising Linagliptin And Optionally A Sglt2 Inhibitor, And Uses Thereof") was filed by Boehringer Ingelheim on Feb 11, 2010. The application was issued on Jan 7, 2026.

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 |
|---|---|---|
| HEXAL | Jul 19, 2017 | ELKINGTON AND FIFE |
| POLPHARMA | Jul 19, 2017 | ELKINGTON AND FIFE |
| STADA ARZNEIMITTEL | Jul 19, 2017 | KERNEBECK |
| GENERICS UK | Jul 18, 2017 | TER MEER UND PARTNER |
| TEVA PHARMACEUTICAL INDUSTRIES LTD | Jul 18, 2017 | KRAUS & LEDERER PARTGMBB |
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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