Patent No. EP3145449 (titled "Self-Expanding Heart Valves For Coronary Perfusion And Sealing") was filed by ST Jude Medical on May 20, 2015. The application was issued on Dec 13, 2023.

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 |
|---|---|---|
| NEOVASC TIARA | Oct 30, 2019 | WBH WACHENHAUSEN PATENTANWALTE PARTG MBB |
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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