Patent No. EP3368071 (titled "Injectable Botulinum Toxin Formulations And Methods Of Use Thereof Having Long Duration Of Therapeutic Or Cosmetic Effect") was filed by Revance Therapeutics on Oct 28, 2016. 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 |
|---|---|---|
| IPSEN BIOPHARMA | Oct 26, 2022 | MATHYS & SQUIRE |
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 23, 2025
Oct 23, 2025
Aug 21, 2025
Aug 15, 2025
Aug 15, 2025
Aug 15, 2025
Aug 15, 2025
Jul 16, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 11, 2025
Jul 11, 2025
Jul 11, 2025
Jul 11, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 8, 2025
Jul 1, 2025
Jan 29, 2025
Jan 29, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Sep 25, 2024
Sep 25, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Jul 23, 2024
Jul 23, 2024
Jul 19, 2024
Jul 19, 2024
Jul 19, 2024
Jul 19, 2024
Jul 19, 2024
Jul 19, 2024
May 21, 2024
May 21, 2024
May 21, 2024
May 21, 2024
May 21, 2024
May 21, 2024
May 21, 2024
May 21, 2024
May 21, 2024
May 21, 2024
May 21, 2024
May 21, 2024
May 21, 2024
May 21, 2024
May 21, 2024
May 21, 2024
May 21, 2024
May 21, 2024
May 21, 2024
Apr 19, 2024
Apr 5, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 14, 2024
Mar 14, 2024
Mar 14, 2024
Feb 22, 2024
Feb 21, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Aug 8, 2023
Aug 8, 2023
Aug 8, 2023
Aug 8, 2023
Aug 8, 2023
Aug 8, 2023
Aug 8, 2023
Aug 8, 2023
Aug 8, 2023
Aug 8, 2023
Aug 8, 2023
Jun 29, 2023
Jun 23, 2023
Jun 23, 2023
Jun 23, 2023
Jun 23, 2023
Mar 24, 2023
Mar 20, 2023
Mar 20, 2023
Mar 20, 2023
Mar 20, 2023
Mar 20, 2023
Mar 20, 2023
Mar 20, 2023
Mar 20, 2023
Mar 20, 2023
Mar 20, 2023
Mar 20, 2023
Mar 20, 2023
Dec 13, 2022
Dec 8, 2022
Dec 8, 2022
Dec 8, 2022
Dec 8, 2022
Nov 10, 2022
Nov 10, 2022
Nov 3, 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 20, 2021
Dec 20, 2021
Dec 20, 2021
Dec 20, 2021
Dec 20, 2021
Nov 4, 2021
Sep 20, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Jun 2, 2021
Jan 25, 2021
Jan 25, 2021
Jan 25, 2021
Jan 25, 2021
Jan 25, 2021
Jan 25, 2021
Nov 30, 2020
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
May 23, 2019
May 17, 2019
May 16, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 17, 2019
Dec 13, 2018
Dec 13, 2018
Dec 13, 2018
Dec 13, 2018
Dec 13, 2018
Aug 8, 2018
Jun 6, 2018
Jun 4, 2018
Jun 4, 2018
May 17, 2018
May 8, 2018
May 8, 2018
May 8, 2018
May 8, 2018
Mar 9, 2018
May 22, 2017
May 4, 2017
May 4, 2017
May 4, 2017