Patent No. EP3570779 (titled "Replacement Mitral Valves") was filed by Cephea Valve on Jan 23, 2018. The application was issued on Feb 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.
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.
Date
Description
Get instant alerts for new documents
Oct 16, 2025
Oct 16, 2025
Sep 24, 2025
Sep 24, 2025
Sep 24, 2025
Sep 24, 2025
Sep 24, 2025
Aug 20, 2025
Aug 19, 2025
Aug 19, 2025
Aug 19, 2025
Aug 18, 2025
Aug 13, 2025
Aug 8, 2025
Aug 8, 2025
Aug 7, 2025
Aug 7, 2025
Aug 7, 2025
Aug 7, 2025
Aug 7, 2025
Aug 7, 2025
Jul 4, 2025
Jul 4, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Mar 17, 2025
Jan 24, 2025
Jan 24, 2025
Jan 24, 2025
Jan 23, 2025
Jan 21, 2025
Jan 20, 2025
Jan 20, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Sep 19, 2024
Sep 19, 2024
Sep 19, 2024
Sep 19, 2024
Sep 19, 2024
Jun 26, 2024
Jun 20, 2024
Jun 20, 2024
Jun 20, 2024
Mar 27, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Nov 27, 2023
Nov 27, 2023
Nov 21, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Nov 15, 2023
Feb 28, 2023
Jan 19, 2023
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Sep 2, 2022
Sep 2, 2022
Sep 2, 2022
Sep 2, 2022
Sep 2, 2022
Sep 28, 2021
Sep 28, 2021
Sep 28, 2021
Sep 28, 2021
Sep 28, 2021
Sep 28, 2021
Sep 28, 2021
Sep 20, 2021
May 25, 2021
May 25, 2021
May 19, 2021
Jan 13, 2021
Jan 13, 2021
Jan 13, 2021
Jan 13, 2021
Jan 13, 2021
Nov 5, 2020
Oct 19, 2020
Oct 19, 2020
Oct 19, 2020
Oct 19, 2020
Oct 5, 2020
Mar 13, 2020
Mar 13, 2020
Mar 13, 2020
Mar 13, 2020
Mar 13, 2020
Oct 30, 2019
Sep 17, 2019
Aug 28, 2019
Aug 28, 2019
Aug 28, 2019
Aug 19, 2019
Aug 19, 2019
Aug 6, 2019
Jun 3, 2019
May 2, 2019
Mar 13, 2019
Aug 15, 2018
Aug 15, 2018
Jul 26, 2018
Jul 26, 2018