Patent No. EP3151882 (titled "Controllable Drug Delivery System And Method Of Use") was filed by Amgen on Jun 3, 2015. The application was issued on Apr 10, 2024.

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 |
|---|---|---|
| STEINBACH | Jan 9, 2025 | ZIMMERMANN & PARTNER PATENTANWALTE MBB |
| YPSOMED | Dec 18, 2024 | - |
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 12, 2026
Jan 9, 2026
Jan 9, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Jan 2, 2026
Dec 22, 2025
Dec 22, 2025
Dec 18, 2025
Dec 18, 2025
Dec 17, 2025
Dec 17, 2025
Dec 17, 2025
Dec 15, 2025
Dec 15, 2025
Dec 15, 2025
Nov 26, 2025
Nov 26, 2025
Nov 21, 2025
Nov 21, 2025
Nov 21, 2025
Nov 19, 2025
Nov 19, 2025
Nov 19, 2025
Nov 19, 2025
Nov 19, 2025
Nov 19, 2025
Nov 19, 2025
Nov 19, 2025
Nov 19, 2025
Nov 19, 2025
Nov 19, 2025
Nov 19, 2025
Jul 24, 2025
Jul 24, 2025
Jul 24, 2025
Jul 24, 2025
Jul 24, 2025
Jul 24, 2025
Jul 7, 2025
Jul 7, 2025
Jul 2, 2025
Jul 2, 2025
Jul 2, 2025
May 27, 2025
May 27, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
Jan 22, 2025
Jan 22, 2025
Jan 22, 2025
Jan 14, 2025
Jan 9, 2025
Jan 9, 2025
Jan 9, 2025
Jan 9, 2025
Jan 9, 2025
Jan 9, 2025
Jan 9, 2025
Jan 9, 2025
Jan 9, 2025
Jan 9, 2025
Jan 9, 2025
Jan 9, 2025
Jan 9, 2025
Jan 9, 2025
Jan 9, 2025
Jan 9, 2025
Jan 9, 2025
Jan 9, 2025
Jan 9, 2025
Jan 9, 2025
Jan 9, 2025
Dec 23, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Apr 23, 2024
Mar 14, 2024
Mar 6, 2024
Mar 6, 2024
Mar 6, 2024
Mar 6, 2024
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Aug 1, 2023
Aug 1, 2023
Aug 1, 2023
Aug 1, 2023
Aug 1, 2023
Apr 6, 2023
Apr 6, 2023
Nov 19, 2020
Nov 19, 2020
Nov 19, 2020
Nov 19, 2020
Nov 19, 2020
Jul 21, 2020
Jul 21, 2020
Dec 23, 2019
Dec 23, 2019
Dec 23, 2019
Dec 23, 2019
Dec 23, 2019
Aug 21, 2019
Aug 21, 2019
Aug 21, 2019
Aug 21, 2019
Aug 13, 2019
Jun 24, 2019
Jun 24, 2019
Jun 24, 2019
Apr 15, 2019
Apr 15, 2019
Apr 3, 2019
Aug 17, 2017
Aug 8, 2017
Aug 8, 2017
Aug 8, 2017
Apr 10, 2017
Apr 4, 2017
Mar 15, 2017
Mar 2, 2017
Feb 23, 2017
Jan 31, 2017
Jan 27, 2017
Jan 27, 2017
Jan 27, 2017
Jan 27, 2017
Jan 27, 2017
Jan 27, 2017
Jan 27, 2017
Jan 27, 2017
Jan 27, 2017
Jan 27, 2017
Jan 27, 2017
Jan 27, 2017
Jan 27, 2017
Dec 20, 2016
Dec 20, 2016
Dec 20, 2016
Dec 20, 2016
Dec 20, 2016
Dec 19, 2016
Oct 14, 2016
Jan 4, 2016
Dec 10, 2015
Dec 10, 2015
Nov 5, 2015
Nov 4, 2015
Nov 4, 2015
Nov 4, 2015
Aug 26, 2015
Jun 12, 2015
Jun 12, 2015
Jun 12, 2015
Jun 12, 2015
Jun 12, 2015