Patent No. EP3574901 (titled "Injection Devices Comprising A Composition Of Hyaluronic Acid And Mepivacaine Hydrochloride") was filed by Teoxane on Jul 29, 2014. The application was issued on Jan 26, 2022.

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 |
|---|---|---|
| LABORATOIRES VIVACY | Oct 26, 2022 | TRIPOZ |
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
Jan 7, 2026
Jan 7, 2026
Jan 7, 2026
Dec 10, 2025
Dec 10, 2025
Nov 17, 2025
Nov 13, 2025
Nov 13, 2025
Nov 13, 2025
Oct 30, 2025
Oct 29, 2025
Oct 29, 2025
Oct 29, 2025
Sep 16, 2025
Sep 16, 2025
Sep 9, 2025
Sep 5, 2025
Sep 5, 2025
Sep 5, 2025
Aug 11, 2025
Aug 11, 2025
Aug 8, 2025
Aug 8, 2025
Aug 8, 2025
Aug 8, 2025
Aug 8, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Jul 8, 2025
Jul 7, 2025
Jul 4, 2025
Jul 4, 2025
Jul 4, 2025
Jul 1, 2025
Jun 27, 2025
Jun 27, 2025
Jun 27, 2025
Jun 10, 2025
Jun 5, 2025
Jun 5, 2025
Jun 5, 2025
Jun 5, 2025
Jun 5, 2025
Jun 5, 2025
Jun 5, 2025
Jun 5, 2025
Apr 1, 2025
Apr 1, 2025
Apr 1, 2025
Apr 1, 2025
Apr 1, 2025
Mar 14, 2025
Mar 10, 2025
Mar 10, 2025
Mar 10, 2025
Feb 27, 2025
Feb 25, 2025
Feb 25, 2025
Feb 25, 2025
Feb 20, 2025
Feb 20, 2025
Feb 19, 2025
Feb 18, 2025
Feb 18, 2025
Feb 14, 2025
Feb 14, 2025
Feb 14, 2025
Feb 14, 2025
Feb 12, 2025
Feb 12, 2025
Feb 11, 2025
Feb 10, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Jan 29, 2025
Jan 24, 2025
Jan 24, 2025
Jan 16, 2025
Dec 20, 2024
Dec 18, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 13, 2024
Dec 9, 2024
Dec 9, 2024
Dec 9, 2024
Nov 20, 2024
Nov 15, 2024
Nov 15, 2024
Nov 15, 2024
Nov 15, 2024
Nov 15, 2024
Nov 7, 2024
Nov 2, 2024
Nov 2, 2024
Nov 2, 2024
Nov 2, 2024
Nov 2, 2024
Nov 2, 2024
Oct 31, 2024
Oct 29, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 24, 2024
Oct 24, 2024
Oct 24, 2024
Oct 24, 2024
Oct 24, 2024
Oct 24, 2024
Sep 20, 2024
Sep 20, 2024
Sep 4, 2024
Aug 30, 2024
Aug 30, 2024
Aug 30, 2024
Aug 30, 2024
Aug 30, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 10, 2024
Jul 6, 2024
Jul 6, 2024
Jul 6, 2024
Jul 5, 2024
Jul 5, 2024
Jul 5, 2024
Jul 5, 2024
Jul 5, 2024
Jul 5, 2024
Jul 5, 2024
Jul 5, 2024
Jul 5, 2024
Jun 27, 2024
Jun 27, 2024
Jun 27, 2024
Jun 21, 2024
Jun 21, 2024
Jun 21, 2024
Jun 21, 2024
Mar 23, 2023
Mar 17, 2023
Mar 17, 2023
Mar 17, 2023
Mar 17, 2023
Mar 17, 2023
Mar 17, 2023
Mar 17, 2023
Mar 17, 2023
Mar 17, 2023
Mar 17, 2023
Mar 17, 2023
Mar 17, 2023
Mar 17, 2023
Mar 17, 2023
Mar 17, 2023
Mar 17, 2023
Mar 17, 2023
Mar 17, 2023
Mar 17, 2023
Mar 17, 2023
Mar 17, 2023
Nov 8, 2022
Nov 8, 2022
Nov 2, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Feb 8, 2022
Jan 7, 2022
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
Dec 17, 2021
Aug 18, 2021
Aug 18, 2021
Aug 18, 2021
Aug 18, 2021
Aug 18, 2021
May 18, 2021
May 11, 2021
May 11, 2021
Dec 21, 2020
Dec 21, 2020
Dec 21, 2020
Dec 21, 2020
Dec 21, 2020
Dec 21, 2020
Dec 21, 2020
Aug 26, 2020
Aug 26, 2020
Aug 21, 2020
May 28, 2020
May 28, 2020
May 28, 2020
May 28, 2020
May 28, 2020
Feb 11, 2020
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020
Jan 22, 2020
Jan 17, 2020
Jan 14, 2020
Jan 10, 2020
Jan 10, 2020
Jan 10, 2020
Dec 9, 2019
Nov 6, 2019
Oct 2, 2019
Oct 2, 2019
Oct 2, 2019
Oct 2, 2019
Sep 25, 2019
Sep 24, 2019
Sep 6, 2019
Sep 6, 2019
Jul 2, 2019
Jul 2, 2019
Jul 2, 2019
Jul 2, 2019
Jun 14, 2019
Jun 14, 2019
Jun 14, 2019
Jun 14, 2019
Jun 14, 2019
Feb 24, 2015