Patent No. EP4057947 (titled "Ventilated Prosthetic Liner") was filed by Ossur Iceland EHF on Nov 12, 2020. The application was issued on Sep 21, 2022.

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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