Patent No. EP3423067 (titled "Compositions And Methods For Muscle Regeneration Using Prostaglandin E2") was filed by The Board OF Trustees OF The Leland Stanford Junior University on Mar 3, 2017. The application was issued on Jul 23, 2025.

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
Sep 11, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Sep 7, 2026
Jul 1, 2026
Jul 1, 2026
Jul 1, 2026
Jun 29, 2026
Jun 29, 2026
Jun 29, 2026
Jun 1, 2026
Jun 1, 2026
May 28, 2026
May 26, 2026
May 26, 2026
May 26, 2026
May 8, 2026
May 8, 2026
Apr 29, 2026
Apr 22, 2026
Apr 22, 2026
Apr 22, 2026
Apr 22, 2026
Apr 22, 2026
Apr 22, 2026
Apr 22, 2026
Apr 22, 2026
Apr 22, 2026
Apr 22, 2026
Apr 22, 2026
Aug 5, 2025
Jun 26, 2025
Jun 18, 2025
Jun 18, 2025
Jun 18, 2025
Jun 18, 2025
Jun 18, 2025
Jun 17, 2025
Jun 11, 2025
Jun 11, 2025
Jun 11, 2025
Jun 11, 2025
Jun 11, 2025
Jun 11, 2025
Feb 28, 2025
Feb 28, 2025
Feb 28, 2025
Feb 28, 2025
Feb 28, 2025
Feb 28, 2025
Apr 17, 2024
Apr 17, 2024
Apr 17, 2024
Apr 17, 2024
Apr 17, 2024
Dec 18, 2023
Dec 18, 2023
Jun 15, 2023
Jun 15, 2023
Jun 15, 2023
Jun 15, 2023
Jun 15, 2023
Jun 15, 2023
Feb 8, 2023
Feb 8, 2023
Sep 20, 2021
May 25, 2021
May 25, 2021
May 25, 2021
May 25, 2021
May 25, 2021
Mar 11, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Nov 18, 2020
Nov 18, 2020
Nov 11, 2020
Feb 25, 2020
Feb 25, 2020
Feb 25, 2020
Feb 25, 2020
Feb 25, 2020
Aug 21, 2019
Aug 14, 2019
Aug 7, 2019
Aug 2, 2019
Aug 2, 2019
Aug 2, 2019
Aug 2, 2019
Jul 23, 2019
Apr 18, 2019
Apr 18, 2019
Apr 18, 2019
Apr 18, 2019
Apr 18, 2019
Dec 12, 2018
Oct 12, 2018
Oct 9, 2018
Oct 9, 2018
Oct 9, 2018
Sep 19, 2018
Sep 10, 2018
Sep 10, 2018
Sep 10, 2018
Jul 13, 2018
Sep 25, 2017
Sep 25, 2017
Sep 8, 2017
Sep 8, 2017
Sep 8, 2017