Patent No. EP3246017 (titled "Stable Liquid Formulation Of Amg 416 Hcl (Etelcalcetide)") was filed by Amgen on Jun 27, 2014. The application was issued on Mar 24, 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 |
|---|---|---|
| ADALVO | Dec 22, 2021 | SLAVIK |
| STADA ARZNEIMITTEL | Dec 22, 2021 | HAMM & WITTKOPP |
| SYNTHON | Dec 22, 2021 | HAMM & WITTKOPP |
| FRESENIUS KABI DEUTSCHLAND | Dec 21, 2021 | FRESENIUS KABI DEUTSCHLAND |
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
Nov 3, 2025
Nov 3, 2025
Nov 3, 2025
Nov 3, 2025
Nov 3, 2025
Nov 3, 2025
Oct 13, 2025
Oct 13, 2025
Oct 13, 2025
Oct 13, 2025
Oct 13, 2025
Oct 13, 2025
Oct 10, 2025
Oct 9, 2025
Oct 9, 2025
Oct 9, 2025
Aug 21, 2025
Aug 20, 2025
Aug 20, 2025
Aug 20, 2025
Jun 17, 2025
Jun 11, 2025
Jun 11, 2025
Jun 11, 2025
May 28, 2025
May 28, 2025
May 28, 2025
May 28, 2025
May 28, 2025
Oct 21, 2024
Oct 18, 2024
Oct 16, 2024
Oct 15, 2024
Oct 15, 2024
Oct 15, 2024
Aug 22, 2024
Aug 19, 2024
Aug 19, 2024
Aug 19, 2024
Jul 19, 2024
Jul 19, 2024
Jul 19, 2024
Jul 19, 2024
Jul 19, 2024
Jul 16, 2024
Apr 22, 2024
Apr 17, 2024
Apr 17, 2024
Apr 17, 2024
Mar 21, 2024
Dec 18, 2023
Dec 18, 2023
Dec 12, 2023
Dec 12, 2023
Dec 12, 2023
Oct 4, 2023
Oct 4, 2023
Oct 4, 2023
Oct 4, 2023
Oct 4, 2023
Sep 27, 2023
Sep 27, 2023
Sep 27, 2023
Aug 16, 2023
Aug 9, 2023
Aug 9, 2023
Aug 9, 2023
Aug 9, 2023
Aug 9, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Jul 13, 2023
Jul 13, 2023
Jul 13, 2023
Jul 13, 2023
Jul 13, 2023
Jul 11, 2023
Jul 11, 2023
Jul 11, 2023
Jul 11, 2023
Jul 10, 2023
Jul 10, 2023
Jul 10, 2023
Jul 10, 2023
Jul 10, 2023
Jul 10, 2023
Jul 10, 2023
Jul 10, 2023
Jul 7, 2023
Jul 7, 2023
Jul 7, 2023
Jul 7, 2023
Jul 7, 2023
Jul 7, 2023
Jul 7, 2023
Jul 7, 2023
Jul 7, 2023
Jul 7, 2023
Jul 3, 2023
Jul 3, 2023
Jul 3, 2023
Jul 3, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 21, 2023
Jun 21, 2023
Jun 20, 2023
Jun 19, 2023
Jun 19, 2023
Jun 19, 2023
Jun 19, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
May 19, 2023
May 19, 2023
May 19, 2023
May 19, 2023
May 19, 2023
May 16, 2023
May 16, 2023
May 16, 2023
May 16, 2023
May 16, 2023
May 16, 2023
May 12, 2023
May 12, 2023
May 12, 2023
May 12, 2023
May 12, 2023
May 12, 2023
May 12, 2023
May 12, 2023
May 12, 2023
May 12, 2023
May 12, 2023
May 11, 2023
May 11, 2023
May 11, 2023
May 11, 2023
May 11, 2023
May 11, 2023
May 11, 2023
May 11, 2023
May 11, 2023
May 11, 2023
May 11, 2023
May 11, 2023
May 11, 2023
May 11, 2023
May 11, 2023
May 11, 2023
May 11, 2023
May 11, 2023
May 3, 2023
May 3, 2023
May 3, 2023
May 3, 2023
May 3, 2023
Apr 26, 2023
Apr 26, 2023
Apr 26, 2023
Apr 26, 2023
Apr 26, 2023
Apr 26, 2023
Dec 7, 2022
Dec 7, 2022
Dec 5, 2022
Dec 5, 2022
Dec 5, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Aug 5, 2022
Aug 5, 2022
Aug 5, 2022
Aug 5, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
Jul 29, 2022
May 24, 2022
May 24, 2022
May 24, 2022
May 24, 2022
May 24, 2022
May 24, 2022
May 24, 2022
May 19, 2022
May 19, 2022
May 19, 2022
May 19, 2022
May 13, 2022
May 6, 2022
May 6, 2022
May 6, 2022
May 6, 2022
Jan 19, 2022
Jan 19, 2022
Jan 19, 2022
Jan 19, 2022
Jan 19, 2022
Jan 14, 2022
Jan 10, 2022
Jan 3, 2022
Dec 23, 2021
Dec 23, 2021
Dec 23, 2021
Dec 23, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Apr 6, 2021
Feb 25, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Oct 5, 2020
Oct 5, 2020
Oct 5, 2020
Oct 5, 2020
Oct 5, 2020
Sep 9, 2020
Sep 9, 2020
Sep 9, 2020
Sep 9, 2020
Sep 9, 2020
Jul 15, 2020
Jul 10, 2020
Jul 10, 2020
Jul 10, 2020
May 4, 2020
Apr 28, 2020
Apr 28, 2020
Apr 28, 2020
Mar 4, 2020
Mar 4, 2020
Feb 14, 2020
Jun 6, 2018
Jun 6, 2018
May 22, 2018
May 22, 2018
May 22, 2018
Nov 27, 2017
Nov 8, 2017
Oct 25, 2017
Oct 24, 2017
Oct 24, 2017
Oct 24, 2017
Oct 24, 2017
Sep 22, 2017
May 11, 2017
May 11, 2017
May 11, 2017
May 11, 2017
May 4, 2017
May 4, 2017
Mar 24, 2017
Mar 10, 2017
Mar 10, 2017
Mar 10, 2017
Mar 10, 2017
Mar 10, 2017
Mar 10, 2017
Jan 20, 2015