Patent No. EP2981271 (titled "Therapeutic Uses Of Empagliflozin") was filed by Boehringer Ingelheim on Apr 3, 2014. The application was issued on Nov 14, 2018.
Reducing glycemic control in a patient with prediabetes, type 1 or type 2 diabetes mellitus. The reduction in eGFR is achieved by determining the patient's estimated glomerular filtration rate (eGFR) and administering empagliflozin to the patient.

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 | Aug 14, 2019 | TER MEER STEINMEISTER & PARTNER |
| GILLARD | Aug 14, 2019 | ELKINGTON AND FIFE |
| POLPHARMA | Aug 14, 2019 | ELKINGTON AND FIFE |
| STADA ARZNEIMITTEL | Aug 14, 2019 | KERNEBECK |
| TEVA PHARMACEUTICALS | Aug 14, 2019 | KRAUS & LEDERER |
| TEVA PHARMACEUTICALS | Aug 14, 2019 | KRAUS & LEDERER PARTGMBB |
| EGIS | Aug 12, 2019 | STOLMAR & PARTNER |
| ALFRED E TIEFENBACHER | Aug 9, 2019 | HAMM & WITTKOPP |
| KRKA | Aug 2, 2019 | KUTZENBERGER WOLFF & PARTNER |
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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