Patent No. EP2496182 (titled "Valve Prosthesis") was filed by Majoro Cardiac Innovations on Nov 5, 2010. The application was issued on Jun 21, 2023.
A percutaneous mitral valve replacement system comprising a self-expanding stent with upper and lower anchoring flanges, a valve with two leaflets attached to the stent's interior surface, and a cuff comprising an absorbent material that expands to adhere the prosthesis to the mitral valve annulus. The cuff's delayed expansion allows for precise positioning of the prosthesis before securing it in place. The system enables minimally invasive replacement of diseased mitral valves, particularly in patients with left ventricular dysfunction following myocardial infarction.

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 |
|---|---|---|
| STRAWMAN | Mar 21, 2024 | MEWBURN ELLIS |
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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