Patent No. EP3370783 (titled "Compacted Hemostatic Cellulosic Aggregates") was filed by Cilag on Oct 28, 2016. The application was issued on Jun 7, 2023.

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 |
|---|---|---|
| BAXTER | Mar 7, 2024 | SONN PATENTANWALTE |
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
Dec 23, 2025
Dec 23, 2025
Dec 23, 2025
Oct 29, 2025
Oct 29, 2025
Oct 29, 2025
Oct 29, 2025
Oct 29, 2025
Oct 29, 2025
Oct 29, 2025
Oct 29, 2025
Oct 29, 2025
Oct 29, 2025
Oct 29, 2025
Oct 29, 2025
Oct 29, 2025
Oct 29, 2025
Sep 16, 2025
Sep 15, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Jul 29, 2025
Jul 24, 2025
Jul 24, 2025
Jul 24, 2025
Jul 22, 2025
Jul 18, 2025
Jul 16, 2025
Jul 16, 2025
Jul 16, 2025
Jul 15, 2025
Jul 15, 2025
Jul 15, 2025
Jul 15, 2025
Jul 15, 2025
Jul 15, 2025
Jul 15, 2025
Jul 15, 2025
Jul 15, 2025
Jul 15, 2025
Jul 15, 2025
Jul 15, 2025
Jul 15, 2025
Jul 15, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Nov 29, 2024
Nov 29, 2024
Nov 22, 2024
Nov 22, 2024
Nov 22, 2024
Nov 22, 2024
Jul 25, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Mar 20, 2024
Mar 20, 2024
Mar 13, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Jun 20, 2023
May 11, 2023
Mar 20, 2023
Mar 20, 2023
Mar 20, 2023
Mar 20, 2023
Mar 20, 2023
Feb 17, 2023
Feb 17, 2023
Feb 17, 2023
Nov 9, 2022
Nov 9, 2022
Nov 9, 2022
Nov 9, 2022
Nov 9, 2022
Nov 9, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
May 10, 2022
May 10, 2022
May 10, 2022
May 10, 2022
May 10, 2022
May 10, 2022
Mar 30, 2022
Mar 30, 2022
Mar 30, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Feb 23, 2022
Feb 3, 2022
Feb 3, 2022
Feb 3, 2022
Feb 3, 2022
Feb 3, 2022
Nov 15, 2021
Nov 15, 2021
Nov 15, 2021
Nov 15, 2021
Nov 15, 2021
Nov 15, 2021
Nov 15, 2021
Aug 13, 2021
Aug 12, 2021
Aug 12, 2021
Aug 5, 2021
Aug 5, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Mar 19, 2021
Dec 1, 2020
Dec 1, 2020
Mar 25, 2020
Mar 25, 2020
Mar 25, 2020
Jan 14, 2020
Jan 14, 2020
Dec 16, 2019
Jan 2, 2019
Jan 2, 2019
Jan 2, 2019
Jan 2, 2019
Jan 2, 2019
Jan 2, 2019
Jan 2, 2019
Aug 16, 2018
Jun 21, 2018
Jun 19, 2018
Jun 5, 2018
Jun 5, 2018
May 22, 2018
Mar 16, 2018
May 31, 2017
May 31, 2017
May 31, 2017
May 11, 2017
May 11, 2017
Feb 28, 2017
Feb 27, 2017
Feb 27, 2017
Feb 27, 2017
Jan 16, 2017
Jan 16, 2017
Jan 16, 2017
Dec 16, 2016
Dec 12, 2016
Dec 12, 2016
Nov 21, 2016
Nov 18, 2016
Nov 18, 2016
Nov 18, 2016
Nov 18, 2016
Nov 18, 2016
Nov 18, 2016
Nov 18, 2016
Nov 18, 2016
Nov 18, 2016
Nov 18, 2016
Nov 18, 2016
Nov 18, 2016
Nov 18, 2016
Nov 18, 2016
Nov 18, 2016