Patent No. EP2981255 (titled "Therapeutic Uses Of Empagliflozin") was filed by Boehringer Ingelheim on Apr 3, 2014. 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 |
|---|---|---|
| GENERICS UK | Jun 14, 2023 | TER MEER STEINMEISTER & PARTNER |
| HGF | Jun 14, 2023 | HGF |
| ADALVO | Jun 13, 2023 | SLAVIK |
| AERA | Jun 13, 2023 | AERA |
| AERA | Jun 13, 2023 | BARDEHLE PAGENBERG SL |
| SANOVEL IIAC SAN VE TIC | Jun 13, 2023 | KRAUS & LEDERER PARTGMBB |
| STADA ARZNEIMITTEL | Jun 13, 2023 | KERNEBECK |
| ZENTIVA KS | Jun 13, 2023 | REDDIE & GROSE |
| POLPHARMA | Jun 8, 2023 | ELKINGTON AND FIFE |
| SANDOZ | Jun 8, 2023 | ELKINGTON AND FIFE |
| TEVA PHARMACEUTICALS | Apr 20, 2023 | VON KAUFFMANN |
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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