Patent No. EP2613737 (titled "Valve Replacement Devices, Delivery Device For A Valve Replacement Device And Method Of Production Of A Valve Replacement Device") was filed by Symetis on Sep 12, 2011. The application was issued on Mar 15, 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 |
|---|---|---|
| BIOTRONIK | Jul 25, 2018 | BIOTRONIK CORPORATE SERVICES |
| EDWARDS LIFESCIENCES | Jul 25, 2018 | BIRD & BIRD |
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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