Patent No. EP1849470 (titled "Anticancer Drug Containing Alpha, Alpha, Alphatrifluorothymidine And Thymidine Phosphorylase Inhibitor") was filed by Taiho Pharmaceutical on Jan 25, 2006. The application was issued on Mar 20, 2024.

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 |
|---|---|---|
| GENERICS UK | Mar 21, 2018 | TER MEER STEINMEISTER & PARTNER |
| STADA ARZNEIMITTEL | Mar 21, 2018 | HAMM & WITTKOPP |
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
Feb 22, 2024
Feb 22, 2024
Feb 22, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 9, 2024
Feb 9, 2024
Feb 9, 2024
Feb 9, 2024
Feb 9, 2024
Dec 5, 2023
Dec 5, 2023
Dec 5, 2023
Dec 5, 2023
Nov 30, 2023
Nov 8, 2023
Nov 6, 2023
Nov 6, 2023
Nov 6, 2023
Nov 6, 2023
Jul 25, 2023
Jul 25, 2023
Jun 26, 2023
Jun 15, 2023
Jun 15, 2023
Jun 15, 2023
Jun 12, 2023
Jun 12, 2023
Jun 12, 2023
Jun 12, 2023
May 25, 2023
May 24, 2023
May 23, 2023
May 23, 2023
May 23, 2023
May 23, 2023
May 23, 2023
May 17, 2023
May 17, 2023
Mar 16, 2023
Mar 16, 2023
Mar 16, 2023
Dec 23, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 19, 2022
Dec 14, 2022
Sep 2, 2022
Aug 29, 2022
Aug 29, 2022
Aug 29, 2022
Aug 24, 2022
Aug 18, 2022
Aug 18, 2022
Aug 18, 2022
Aug 16, 2022
Aug 8, 2022
Aug 8, 2022
Aug 5, 2022
Aug 5, 2022
Aug 5, 2022
Aug 5, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Jul 11, 2022
Jul 6, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 3, 2022
Jan 3, 2022
Dec 20, 2021
Dec 20, 2021
Dec 20, 2021
Jan 13, 2021
Jan 13, 2021
Dec 23, 2020
Dec 23, 2020
Dec 23, 2020
Dec 23, 2020
Dec 23, 2020
Dec 23, 2020
Oct 8, 2020
Oct 8, 2020
Oct 2, 2020
Oct 2, 2020
Oct 2, 2020
Jun 19, 2020
Jun 19, 2020
Jun 15, 2020
Jun 15, 2020
Jun 15, 2020
Jun 15, 2020
Jun 15, 2020
Jun 15, 2020
Jun 15, 2020
Jun 15, 2020
Mar 27, 2020
Mar 27, 2020
Mar 27, 2020
Mar 20, 2020
Mar 20, 2020
Mar 18, 2020
Mar 9, 2020
Mar 9, 2020
Dec 6, 2019
Dec 6, 2019
Dec 6, 2019
Nov 25, 2019
Nov 25, 2019
Nov 25, 2019
Nov 25, 2019
Nov 25, 2019
Nov 25, 2019
Nov 25, 2019
Oct 11, 2019
Oct 11, 2019
Oct 11, 2019
Oct 11, 2019
Oct 11, 2019
Oct 11, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Jul 24, 2019
Jul 22, 2019
Jul 22, 2019
Jul 19, 2019
Jul 18, 2019
Jul 17, 2019
Jul 16, 2019
Jul 16, 2019
Jul 16, 2019
Jul 16, 2019
Jul 16, 2019
Jul 16, 2019
Jul 16, 2019
Jul 16, 2019
Jul 16, 2019
Jul 16, 2019
Jul 16, 2019
Jul 16, 2019
Jul 16, 2019
Jul 16, 2019
Jul 16, 2019
Jun 7, 2019
Apr 17, 2019
Apr 16, 2019
Apr 16, 2019
Apr 11, 2019
Apr 11, 2019
Apr 11, 2019
Apr 11, 2019
Apr 10, 2019
Apr 10, 2019
Apr 10, 2019
Apr 10, 2019
Apr 9, 2019
Apr 8, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Nov 20, 2018
Nov 19, 2018
Nov 19, 2018
Nov 19, 2018
Nov 19, 2018
Nov 14, 2018
Nov 13, 2018
Nov 13, 2018
Nov 13, 2018
Nov 13, 2018
Nov 13, 2018
Nov 13, 2018
Nov 13, 2018
Nov 13, 2018
Aug 20, 2018
Aug 20, 2018
Aug 14, 2018
Aug 14, 2018
Aug 14, 2018
Aug 14, 2018
Aug 14, 2018
Aug 14, 2018
Aug 14, 2018
Aug 14, 2018
Apr 4, 2018
Apr 4, 2018
Apr 4, 2018
Mar 27, 2018
Mar 27, 2018
Mar 21, 2018
Mar 21, 2018
Mar 21, 2018
Mar 21, 2018
Mar 21, 2018
Mar 21, 2018
Mar 21, 2018
Mar 21, 2018
Mar 21, 2018
Mar 21, 2018
Mar 21, 2018
Mar 21, 2018
Mar 21, 2018
Mar 21, 2018
Mar 21, 2018
Mar 21, 2018
Mar 21, 2018
Mar 21, 2018
Mar 21, 2018
Mar 21, 2018
Mar 21, 2018
Jun 21, 2017
May 26, 2017
May 17, 2017
May 9, 2017
May 9, 2017
May 9, 2017
May 9, 2017
May 9, 2017
Jan 3, 2017
Jan 3, 2017
Jan 3, 2017
Jan 3, 2017
Jan 3, 2017
Jun 12, 2015
Jun 12, 2015
Apr 7, 2015
Mar 27, 2015
Dec 3, 2014
Dec 3, 2014
Mar 27, 2014
Feb 12, 2014
Mar 15, 2012
Mar 15, 2012
Mar 15, 2012
Mar 12, 2012
Feb 29, 2012
Feb 29, 2012
Feb 22, 2012
Oct 27, 2011
Oct 27, 2011
Mar 17, 2011
Mar 17, 2011
Nov 26, 2010
Nov 15, 2010
Nov 9, 2010
Nov 9, 2010
Nov 9, 2010
Aug 18, 2009
Oct 4, 2007
Oct 4, 2007
Sep 20, 2007
Sep 20, 2007
Sep 4, 2007
Aug 14, 2007
Aug 14, 2007
Jul 19, 2007
Jul 19, 2007
Jul 19, 2007
Jul 19, 2007
Jul 19, 2007
Jul 19, 2007
Jul 19, 2007
Jul 19, 2007
Jul 19, 2007
Jun 11, 2007
Aug 23, 2006
Aug 23, 2006
Aug 3, 2006
Aug 3, 2006
Aug 3, 2006