Patent No. EP3541387 (titled "Dose And Regimen For Hdm2-P53 Interaction Inhibitors") was filed by Novartis on Nov 14, 2017. The application was issued on Apr 21, 2021.

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 |
|---|---|---|
| STRAWMAN | Jan 20, 2022 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB |
| BOEHRINGER INGELHEIM | Jan 20, 2022 | D YOUNG |
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
Jul 10, 2025
Jul 10, 2025
Jul 10, 2025
May 15, 2025
May 15, 2025
May 12, 2025
May 12, 2025
May 12, 2025
May 12, 2025
May 12, 2025
May 12, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 2, 2025
May 2, 2025
Apr 28, 2025
Apr 28, 2025
Apr 28, 2025
Apr 15, 2025
Apr 15, 2025
Apr 10, 2025
Apr 10, 2025
Apr 10, 2025
Apr 10, 2025
Apr 10, 2025
Apr 10, 2025
Apr 10, 2025
Jan 10, 2025
Jan 10, 2025
Oct 30, 2024
Oct 30, 2024
Oct 28, 2024
Aug 5, 2024
Aug 5, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
Jul 9, 2024
Jul 3, 2024
Apr 5, 2024
Apr 1, 2024
Apr 1, 2024
Apr 1, 2024
Mar 13, 2024
Feb 28, 2024
Feb 21, 2024
Feb 21, 2024
Feb 21, 2024
Feb 21, 2024
Feb 21, 2024
Feb 21, 2024
Nov 8, 2023
Nov 2, 2023
Nov 2, 2023
Nov 2, 2023
Oct 12, 2023
Oct 9, 2023
Oct 9, 2023
Oct 9, 2023
Oct 9, 2023
Oct 9, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Jul 26, 2023
Jul 26, 2023
Jul 26, 2023
Jul 19, 2023
Jul 19, 2023
Jul 19, 2023
Jul 6, 2023
Jul 5, 2023
Jul 5, 2023
Jun 22, 2023
Jun 22, 2023
May 31, 2023
May 31, 2023
May 31, 2023
May 31, 2023
May 31, 2023
May 31, 2023
May 31, 2023
May 31, 2023
May 31, 2023
May 31, 2023
May 31, 2023
May 31, 2023
May 31, 2023
May 31, 2023
May 31, 2023
May 31, 2023
Apr 26, 2023
Apr 19, 2023
Apr 19, 2023
Apr 19, 2023
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Feb 27, 2023
Feb 27, 2023
Feb 22, 2023
Feb 22, 2023
Feb 22, 2023
Feb 22, 2023
Feb 22, 2023
Feb 22, 2023
Feb 22, 2023
Feb 22, 2023
Feb 20, 2023
Feb 20, 2023
Feb 17, 2023
Feb 17, 2023
Feb 17, 2023
Feb 17, 2023
Feb 17, 2023
Feb 17, 2023
Feb 17, 2023
Feb 17, 2023
Feb 17, 2023
Feb 17, 2023
Feb 17, 2023
Feb 17, 2023
Feb 17, 2023
Feb 17, 2023
Feb 17, 2023
Feb 17, 2023
Feb 17, 2023
Feb 17, 2023
Feb 17, 2023
Feb 17, 2023
Feb 16, 2023
Feb 16, 2023
Feb 16, 2023
Feb 16, 2023
Feb 16, 2023
Feb 14, 2023
Feb 14, 2023
Feb 14, 2023
Feb 14, 2023
Feb 14, 2023
Feb 14, 2023
Feb 14, 2023
Feb 14, 2023
Feb 14, 2023
Feb 2, 2023
Feb 2, 2023
Feb 2, 2023
Feb 2, 2023
Jan 30, 2023
Jan 30, 2023
Jan 30, 2023
Dec 1, 2022
Dec 1, 2022
Dec 1, 2022
Nov 21, 2022
Nov 16, 2022
Nov 15, 2022
Nov 15, 2022
Nov 15, 2022
Nov 15, 2022
Nov 15, 2022
Nov 15, 2022
Nov 15, 2022
Nov 15, 2022
Nov 4, 2022
Nov 4, 2022
Oct 28, 2022
Oct 28, 2022
Oct 28, 2022
Oct 28, 2022
Oct 26, 2022
Oct 25, 2022
Oct 25, 2022
Oct 25, 2022
Oct 25, 2022
Oct 25, 2022
Oct 25, 2022
Oct 25, 2022
Oct 25, 2022
Oct 25, 2022
Oct 25, 2022
Sep 13, 2022
Sep 13, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Jun 17, 2022
Jun 17, 2022
Jun 13, 2022
Jun 13, 2022
Jun 13, 2022
Jun 13, 2022
Jun 13, 2022
Jun 13, 2022
Jun 13, 2022
Jun 13, 2022
Jun 13, 2022
Jun 13, 2022
Jun 13, 2022
Jun 13, 2022
Jun 13, 2022
Jun 13, 2022
Jun 13, 2022
Jun 13, 2022
Jun 13, 2022
Jun 13, 2022
Jun 13, 2022
Jun 13, 2022
Jun 13, 2022
Jun 13, 2022
Jun 13, 2022
Jun 13, 2022
Jun 13, 2022
Jun 13, 2022
Apr 5, 2022
Apr 5, 2022
Apr 5, 2022
Apr 5, 2022
Apr 1, 2022
Apr 1, 2022
Mar 29, 2022
Mar 29, 2022
Mar 29, 2022
Feb 4, 2022
Feb 4, 2022
Feb 4, 2022
Jan 27, 2022
Jan 25, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
May 4, 2021
Mar 25, 2021
Mar 12, 2021
Mar 12, 2021
Mar 12, 2021
Mar 12, 2021
Mar 12, 2021
Dec 15, 2020
Dec 15, 2020
Dec 15, 2020
Dec 15, 2020
Dec 15, 2020
Oct 19, 2020
Oct 19, 2020
Oct 19, 2020
Oct 19, 2020
Oct 19, 2020
Oct 19, 2020
Oct 19, 2020
Jun 18, 2020
Jun 18, 2020
Jun 18, 2020
Jun 18, 2020
Jun 18, 2020
May 26, 2020
Dec 10, 2019
Dec 10, 2019
Dec 10, 2019
Dec 10, 2019
Dec 10, 2019
Aug 28, 2019
Jun 27, 2019
Jun 25, 2019
Jun 25, 2019
Jun 25, 2019
Jun 25, 2019
Jun 25, 2019
Jun 25, 2019
Jun 12, 2019
May 20, 2019
May 20, 2019
Mar 29, 2019
Jun 14, 2018
Jun 14, 2018
May 24, 2018
May 24, 2018
Feb 12, 2018
Feb 9, 2018
Feb 9, 2018
Feb 9, 2018
Dec 8, 2017
Nov 23, 2017
Nov 23, 2017
Nov 23, 2017
Nov 23, 2017
Nov 23, 2017
Nov 23, 2017
Nov 23, 2017
Nov 23, 2017
Nov 23, 2017
Nov 23, 2017