Patent No. EP2324866 (titled "Angioplasty Balloons Drug-Coated In An Expanded Condition") was filed by Cook Incorporated on Jul 14, 2003. The application was issued on Jun 18, 2014.

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 |
|---|---|---|
| BIOTRONIK | Mar 18, 2015 | ARTH |
| BOSTON SCIENTIFIC | Mar 18, 2015 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB |
| HEMOTEQ | Mar 18, 2015 | ARTH |
| TERUMO KABUSHIKI KAISHA | Mar 17, 2015 | PRUFER & PARTNER MBB PATENTANWALTE RECHTSANWALTE |
| MEDTRONIC | Jul 31, 2014 | AUGUST DEBOUZY |
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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