Patent No. EP1674107 (titled "Use Of Daptomycin") was filed by Cubist Pharmaceuticals on Sep 24, 1999. The application was issued on Jan 25, 2017.

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 |
|---|---|---|
| ACCORD HEALTHCARE | May 24, 2017 | ISARPATENT |
| DR REDDYS LABORATORIES UK BETAPHARM ARZNEIMITTEL | May 24, 2017 | HAMM&WITTKOPP PATENTANWÄLTE PARTMBB |
| GENERICS UK | May 24, 2017 | TER MEER UND PARTNER |
| STADA ARZNEIMITTEL | May 24, 2017 | HAMM&WITTKOPP PATENTANWÄLTE PARTMBB |
| MEDICHEM S.A. | May 23, 2017 | PI |
| TAYLOR WESSING LLP | May 23, 2017 | WASHBROOK |
| GEORG KALHAMMER/STEPHAN TEIPEL | May 16, 2017 | KELLER |
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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