Patent No. EP2318519 (titled "Purified Mesenchymal Stem Cell Compositions And Methods Of Purifying Mesenchymal Stem Cell Compositions") was filed by Mesoblast on Aug 14, 2009. The application was issued on Oct 5, 2016.

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 |
|---|---|---|
| STRAWMAN | Jul 5, 2017 | WILLIAMS |
| TAKEDA PHARMACEUTICALS | Jul 5, 2017 | MAIWALD PATENT- UND RECHTSANWALTSGESELLSCHAFT MBH |
| VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB | Jul 4, 2017 | - |
| BRANTSANDPATENTS BVBA | Jun 30, 2017 | - |
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
Oct 16, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Sep 21, 2023
Sep 21, 2023
Sep 20, 2023
Sep 20, 2023
Sep 18, 2023
Sep 18, 2023
Sep 18, 2023
Sep 15, 2023
Sep 15, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 13, 2023
Sep 11, 2023
Sep 11, 2023
Sep 11, 2023
Aug 16, 2023
Aug 16, 2023
Aug 10, 2023
Aug 10, 2023
Aug 10, 2023
Aug 2, 2023
Aug 2, 2023
Jul 28, 2023
Jul 28, 2023
Jul 28, 2023
Nov 22, 2022
Nov 21, 2022
Oct 28, 2022
Oct 28, 2022
Oct 19, 2022
Oct 19, 2022
Oct 19, 2022
Oct 19, 2022
Oct 19, 2022
Oct 19, 2022
Oct 14, 2022
Sep 27, 2022
Sep 27, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 15, 2022
Sep 14, 2022
Sep 14, 2022
Sep 14, 2022
Sep 14, 2022
Sep 9, 2022
Aug 16, 2022
Nov 29, 2019
Nov 29, 2019
Nov 26, 2019
Nov 26, 2019
Nov 26, 2019
Nov 26, 2019
Nov 26, 2019
Nov 26, 2019
Nov 26, 2019
Nov 18, 2019
Nov 18, 2019
Nov 18, 2019
Nov 18, 2019
Nov 18, 2019
Nov 18, 2019
Nov 18, 2019
Nov 18, 2019
Jul 16, 2019
Jul 16, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Jul 11, 2019
Jul 5, 2019
May 10, 2019
May 2, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Mar 7, 2019
Mar 7, 2019
Mar 7, 2019
Mar 5, 2019
Mar 5, 2019
Mar 4, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Mar 1, 2019
Jan 18, 2019
Jan 18, 2019
Jan 18, 2019
Jan 14, 2019
Jan 14, 2019
Jan 14, 2019
Nov 30, 2018
Nov 30, 2018
Nov 30, 2018
Nov 30, 2018
Nov 30, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
Nov 29, 2018
May 29, 2018
May 29, 2018
May 28, 2018
May 25, 2018
May 25, 2018
May 23, 2018
May 22, 2018
May 22, 2018
May 22, 2018
May 22, 2018
May 22, 2018
May 22, 2018
May 22, 2018
May 22, 2018
May 22, 2018
Apr 20, 2018
Jan 4, 2018
Jan 4, 2018
Dec 21, 2017
Dec 21, 2017
Dec 21, 2017
Dec 21, 2017
Dec 21, 2017
Dec 21, 2017
Dec 21, 2017
Dec 21, 2017
Dec 21, 2017
Dec 21, 2017
Dec 21, 2017
Dec 21, 2017
Dec 21, 2017
Dec 21, 2017
Dec 21, 2017
Dec 21, 2017
Dec 21, 2017
Dec 21, 2017
Dec 21, 2017
Dec 18, 2017
Dec 18, 2017
Dec 18, 2017
Dec 15, 2017
Dec 15, 2017
Dec 15, 2017
Dec 8, 2017
Dec 8, 2017
Nov 23, 2017
Nov 23, 2017
Nov 23, 2017
Sep 25, 2017
Sep 25, 2017
Sep 25, 2017
Sep 25, 2017
Sep 25, 2017
Sep 19, 2017
Sep 19, 2017
Sep 19, 2017
Aug 11, 2017
Aug 11, 2017
Aug 11, 2017
Aug 11, 2017
Aug 11, 2017
Jul 19, 2017
Jul 11, 2017
Jul 11, 2017
Jul 10, 2017
Jul 10, 2017
Jul 10, 2017
Jul 10, 2017
Jul 10, 2017
Jul 10, 2017
Jul 10, 2017
Jul 10, 2017
Jul 10, 2017
Jul 10, 2017
Jul 10, 2017
Jul 10, 2017
Jul 10, 2017
Jul 10, 2017
Jul 10, 2017
Jul 10, 2017
Jul 10, 2017
Jul 10, 2017
Jul 10, 2017
Jul 10, 2017
Jul 10, 2017
Jul 7, 2017
Jul 6, 2017
Jul 5, 2017
Jul 5, 2017
Jul 5, 2017
Jul 5, 2017
Jul 5, 2017
Jul 5, 2017
Jul 5, 2017
Jul 5, 2017
Jul 5, 2017
Jul 5, 2017
Jul 5, 2017
Jul 5, 2017
Jul 5, 2017
Jul 5, 2017
Jul 5, 2017
Jul 5, 2017
Jul 5, 2017
Jul 5, 2017
Jul 5, 2017
Jul 5, 2017
Jul 5, 2017
Jul 5, 2017
Jul 5, 2017
Jul 5, 2017
Jul 5, 2017
Jul 5, 2017
Jul 5, 2017
Jul 5, 2017
Jul 5, 2017
Jul 5, 2017
Jul 5, 2017
Jul 5, 2017
Jul 4, 2017
Jul 4, 2017
Jul 4, 2017
Jul 4, 2017
Jul 4, 2017
Jul 4, 2017
Jul 4, 2017
Jul 4, 2017
Jul 4, 2017
Jul 4, 2017
Jul 4, 2017
Jul 4, 2017
Jul 4, 2017
Jul 4, 2017
Jul 4, 2017
Jul 4, 2017
Jul 4, 2017
Jul 4, 2017
Jul 4, 2017
Jul 4, 2017
Jul 4, 2017
Jul 4, 2017
Jul 4, 2017
Jul 4, 2017
Jul 4, 2017
Jul 4, 2017
Jul 4, 2017
Jul 3, 2017
Jul 3, 2017
Jul 3, 2017
Jul 3, 2017
Jul 3, 2017
Jul 3, 2017
Jul 3, 2017
Jul 3, 2017
Jul 3, 2017
Jul 3, 2017
Jul 3, 2017
Jul 3, 2017
Jul 3, 2017
Jul 3, 2017
Jul 3, 2017
Jul 3, 2017
Jul 3, 2017
Jul 3, 2017
Jul 3, 2017
Jul 3, 2017
Jul 3, 2017
Jul 3, 2017
Jul 3, 2017
Jul 3, 2017
Jul 3, 2017
Jul 3, 2017
Jul 3, 2017
Jul 3, 2017
Jul 3, 2017
Jun 30, 2017
Jun 30, 2017
Jun 30, 2017
Jun 30, 2017
Jun 30, 2017
Jun 30, 2017
Jun 30, 2017
Jun 30, 2017
Jun 30, 2017
Jun 30, 2017
Jun 30, 2017
Jun 30, 2017
Jun 30, 2017
Jun 30, 2017
Jun 30, 2017
Jun 30, 2017
Jun 30, 2017
Jun 30, 2017
Jun 30, 2017
Jun 30, 2017
Jun 30, 2017
Jun 30, 2017
Jun 30, 2017
Jun 30, 2017
Jun 30, 2017
Jun 30, 2017
Jun 30, 2017
Jun 30, 2017
Jun 30, 2017
Jun 30, 2017
Jun 30, 2017
Oct 5, 2016
Sep 8, 2016
Aug 24, 2016
Aug 24, 2016
Aug 24, 2016
Aug 24, 2016
Apr 29, 2016
Apr 29, 2016
Apr 29, 2016
Apr 29, 2016
Feb 19, 2016
Mar 27, 2015
Mar 27, 2015
Mar 27, 2015
Mar 27, 2015
Mar 27, 2015
Mar 27, 2015
Mar 27, 2015
Feb 25, 2015
Feb 25, 2015
May 26, 2014
May 26, 2014
May 26, 2014
Mar 4, 2014
Feb 26, 2014
Feb 4, 2014
Feb 4, 2014
Dec 31, 2013
Dec 31, 2013
Dec 31, 2013
Dec 31, 2013
Dec 31, 2013
Dec 31, 2013
Dec 31, 2013
Dec 31, 2013
Dec 31, 2013
Sep 3, 2013
Jul 18, 2013
Jul 9, 2013
Jun 21, 2013
Jun 21, 2013
Jun 21, 2013
Jun 6, 2013
May 31, 2013
May 29, 2013
Oct 6, 2011
Apr 13, 2011
Mar 24, 2011
Mar 4, 2011
Feb 18, 2011
Dec 22, 2010
Mar 10, 2010
Feb 18, 2010
Feb 18, 2010