Patent No. EP3521422 (titled "Substantially Animal Protein-Free Recombinat Furin And Methods For Producing Same") was filed by Baxalta on Dec 19, 2008. The application was issued on Oct 6, 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 |
|---|---|---|
| KONIG SZYNKA TILMANN VON RENESSE | Jul 6, 2022 | KONIG SZYNKA TILMANN VON RENESSE PATENTANWALTE PARTNERSCHAFT MBB DUSSELDORF |
| KONIG SZYNKA TILMANN VON RENESSE | Jul 6, 2022 | WALLINGER RICKER SCHLOTTER TOSTMANN |
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 2, 2025
Jul 2, 2025
Jul 2, 2025
Jul 2, 2025
Jun 27, 2025
Jun 27, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Jan 30, 2025
Jan 30, 2025
Jan 30, 2025
Oct 11, 2024
Oct 11, 2024
Oct 7, 2024
Oct 7, 2024
Oct 7, 2024
Sep 10, 2024
Sep 9, 2024
Sep 9, 2024
Sep 9, 2024
Aug 2, 2024
Jul 30, 2024
Jun 17, 2024
Jun 11, 2024
Jun 11, 2024
Jun 11, 2024
May 7, 2024
May 7, 2024
May 3, 2024
May 3, 2024
May 3, 2024
May 3, 2024
May 3, 2024
May 3, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
Mar 11, 2024
Mar 11, 2024
Mar 11, 2024
Mar 11, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Mar 1, 2024
Mar 1, 2024
Jan 8, 2024
Jan 3, 2024
Jan 3, 2024
Jan 3, 2024
Jan 3, 2024
Jan 3, 2024
Jan 3, 2024
Jan 3, 2024
Jan 3, 2024
Jan 3, 2024
Jan 3, 2024
Jan 3, 2024
Jan 3, 2024
Jan 3, 2024
Jan 3, 2024
Jan 3, 2024
Jan 3, 2024
Jan 3, 2024
Jan 3, 2024
Nov 29, 2023
Oct 6, 2023
Oct 4, 2023
Sep 29, 2023
Sep 29, 2023
Sep 29, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Mar 15, 2023
Mar 14, 2023
Mar 14, 2023
Mar 14, 2023
Mar 14, 2023
Mar 14, 2023
Mar 14, 2023
Mar 14, 2023
Mar 14, 2023
Dec 5, 2022
Dec 1, 2022
Dec 1, 2022
Dec 1, 2022
Dec 1, 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
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
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
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
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
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Aug 3, 2022
Aug 3, 2022
Aug 3, 2022
Jul 20, 2022
Jul 20, 2022
Jul 18, 2022
Jul 18, 2022
Jul 13, 2022
Jul 13, 2022
Jul 13, 2022
Jul 12, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Jul 6, 2022
Oct 19, 2021
Sep 9, 2021
Aug 31, 2021
Aug 31, 2021
Aug 31, 2021
Aug 31, 2021
Aug 31, 2021
May 3, 2021
May 3, 2021
May 3, 2021
May 3, 2021
May 3, 2021
Apr 14, 2021
Mar 23, 2021
Mar 23, 2021
Mar 23, 2021
Mar 23, 2021
Mar 23, 2021
Mar 23, 2021
Mar 23, 2021
Mar 1, 2021
Mar 1, 2021
Mar 1, 2021
Mar 1, 2021
Mar 1, 2021
Jan 25, 2021
Jan 19, 2021
Jan 19, 2021
Aug 19, 2020
Aug 19, 2020
Aug 19, 2020
Aug 19, 2020
Aug 19, 2020
Aug 19, 2020
Aug 19, 2020
Aug 19, 2020
Aug 19, 2020
May 4, 2020
May 4, 2020
Apr 28, 2020
Mar 19, 2020
Feb 11, 2020
Feb 6, 2020
Feb 6, 2020
Feb 6, 2020
Feb 6, 2020
Feb 6, 2020
Aug 12, 2019
Jul 10, 2019
Jul 10, 2019
Jul 8, 2019
Jul 8, 2019
Jul 8, 2019
Jul 8, 2019
Jul 3, 2019
Jun 26, 2019
Jun 17, 2019
May 8, 2019
May 8, 2019
May 8, 2019
May 8, 2019
May 8, 2019
May 8, 2019
May 8, 2019
Mar 15, 2019
Mar 15, 2019
Mar 15, 2019
Mar 15, 2019
Mar 15, 2019
Mar 15, 2019
Mar 15, 2019
Aug 4, 2009