Patent No. EP2513135 (titled "Method Of Purifying Polypeptides") was filed by CSL on Dec 15, 2010. The application was issued on Apr 22, 2020.

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.
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 26, 2025
Nov 21, 2025
Nov 21, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Sep 30, 2025
Sep 30, 2025
Sep 30, 2025
Sep 30, 2025
Aug 18, 2025
Aug 18, 2025
Aug 18, 2025
Apr 7, 2025
Apr 4, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Dec 5, 2024
Dec 5, 2024
Dec 5, 2024
Nov 26, 2024
Nov 26, 2024
Nov 26, 2024
Nov 26, 2024
Nov 12, 2024
Nov 11, 2024
Nov 11, 2024
Nov 11, 2024
Oct 28, 2024
Oct 28, 2024
Oct 28, 2024
Sep 30, 2024
Sep 10, 2024
Jul 10, 2024
Jul 9, 2024
Oct 5, 2023
Oct 4, 2023
Oct 4, 2023
Oct 4, 2023
Sep 25, 2023
Sep 25, 2023
Sep 20, 2023
Aug 25, 2023
Aug 24, 2023
Aug 17, 2023
Aug 17, 2023
Aug 17, 2023
Jul 26, 2023
Apr 14, 2023
Apr 11, 2023
Apr 11, 2023
Apr 11, 2023
Apr 11, 2023
Apr 6, 2023
Apr 6, 2023
Apr 6, 2023
Nov 28, 2022
Nov 28, 2022
Nov 23, 2022
Nov 23, 2022
Nov 23, 2022
Nov 23, 2022
Nov 23, 2022
Nov 23, 2022
Oct 28, 2022
Oct 28, 2022
Oct 21, 2022
Oct 21, 2022
Oct 21, 2022
Sep 29, 2022
Sep 29, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Aug 9, 2022
Aug 3, 2022
Aug 3, 2022
Aug 3, 2022
Jul 20, 2022
Jul 18, 2022
Jul 13, 2022
Jul 13, 2022
Jul 13, 2022
Jul 13, 2022
Jul 13, 2022
Jul 13, 2022
Jul 13, 2022
Jul 13, 2022
Jul 13, 2022
Jul 13, 2022
Jul 13, 2022
Jul 13, 2022
Jul 13, 2022
Jul 13, 2022
Jul 13, 2022
Jul 13, 2022
Jul 13, 2022
Jul 13, 2022
Jun 16, 2022
Apr 20, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 14, 2022
Apr 13, 2022
Apr 13, 2022
Apr 13, 2022
Apr 13, 2022
Apr 13, 2022
Nov 16, 2021
Nov 16, 2021
Oct 28, 2021
Oct 27, 2021
Oct 20, 2021
Oct 20, 2021
Oct 18, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Aug 13, 2021
Aug 5, 2021
Aug 5, 2021
Jun 30, 2021
Jun 23, 2021
Jun 23, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 14, 2021
Jun 14, 2021
Jun 14, 2021
Feb 8, 2021
Feb 8, 2021
Feb 1, 2021
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
May 6, 2020
Mar 26, 2020
Mar 26, 2020
Mar 17, 2020
Mar 10, 2020
Mar 10, 2020
Mar 10, 2020
Mar 10, 2020
Mar 10, 2020
Jan 3, 2020
Jan 3, 2020
Jan 3, 2020
Jan 3, 2020
Jan 3, 2020
May 24, 2017
May 19, 2017
Mar 16, 2017
Mar 16, 2017
Mar 16, 2017
Mar 16, 2017
Mar 16, 2017
Jan 24, 2017
Oct 19, 2016
Oct 14, 2016
Oct 14, 2016
Oct 14, 2016
Jun 15, 2016
Jun 15, 2016
Jun 8, 2016
Jan 14, 2015
Jun 14, 2013
May 28, 2013
May 28, 2013
May 28, 2013
Apr 2, 2013
Sep 26, 2012
Aug 7, 2012
Jul 27, 2012
Jul 3, 2012
Jun 1, 2012
Jun 1, 2012
May 31, 2012
May 31, 2012
May 2, 2012
May 2, 2012
Apr 27, 2012
Jul 11, 2011
Jun 23, 2011
Jun 23, 2011
Mar 10, 2011
Mar 10, 2011
Mar 10, 2011
Jan 29, 2011
Dec 15, 2010
Dec 15, 2010
Dec 15, 2010
Dec 15, 2010
Dec 15, 2010
Dec 15, 2010