Patent No. EP2866738 (titled "System To Assist In The Release Of A Collapsible Stent From A Delivery Device") was filed by ST Jude Medical on Jun 28, 2013. The application was issued on Jun 5, 2019.

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 |
|---|---|---|
| BOSTON SCIENTIFIC | May 17, 2017 | PETERREINS SCHLEY |
| HEPP WENGER RYFFEL | May 16, 2017 | HEPP WENGER RYFFEL |
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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