Patent No. EP2322153 (titled "Use Of Hif Alpha Stabilizers For Enhancing Erythropoiesis") was filed by Fibrogen on Jun 4, 2004. The application was issued on Oct 8, 2014.

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 |
|---|---|---|
| GLAXOSMITHKLINE | Jun 26, 2019 | KNIGHT |
| BAYER GMBHBAYER PHARMA AKTIENGESELLSCHAFTBAYER ANIMAL HEALTH | Jul 8, 2015 | VON RENESSE |
| AKEBIA THERAPEUTICS | Jul 6, 2015 | JONES DAY |
| GLAXO GROUP | Jul 6, 2015 | KNIGHT |
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
Jun 14, 2022
Jun 14, 2022
Jun 9, 2022
Jun 9, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Feb 18, 2022
Feb 18, 2022
Feb 17, 2022
Feb 2, 2022
Feb 2, 2022
Feb 2, 2022
Feb 2, 2022
Jan 26, 2022
Jan 24, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 19, 2022
Jan 19, 2022
Jan 19, 2022
Jan 19, 2022
Jan 19, 2022
Jan 19, 2022
Jan 19, 2022
Jan 19, 2022
Jan 19, 2022
Jan 19, 2022
Jan 19, 2022
Jan 19, 2022
Jan 19, 2022
Jan 19, 2022
Aug 13, 2021
Aug 5, 2021
Aug 5, 2021
Aug 4, 2021
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
Aug 2, 2021
Jun 30, 2021
Jun 30, 2021
Jun 30, 2021
Feb 25, 2021
Feb 25, 2021
Feb 17, 2021
Feb 17, 2021
Feb 15, 2021
Feb 15, 2021
Feb 15, 2021
Feb 15, 2021
Feb 15, 2021
Feb 15, 2021
Feb 15, 2021
Feb 15, 2021
Feb 15, 2021
Feb 12, 2021
Feb 4, 2021
Feb 4, 2021
Feb 4, 2021
Feb 2, 2021
Feb 2, 2021
Feb 2, 2021
Jan 25, 2021
Jan 25, 2021
Jan 25, 2021
Nov 27, 2020
Nov 19, 2020
Oct 5, 2020
Jun 25, 2020
Jun 16, 2020
Jun 16, 2020
Jun 9, 2020
May 27, 2020
May 27, 2020
May 27, 2020
May 27, 2020
May 27, 2020
May 27, 2020
May 25, 2020
May 25, 2020
May 25, 2020
May 19, 2020
May 7, 2020
May 7, 2020
May 7, 2020
May 7, 2020
May 7, 2020
May 7, 2020
May 7, 2020
May 5, 2020
Apr 30, 2020
Apr 30, 2020
Apr 30, 2020
Apr 27, 2020
Apr 27, 2020
Apr 27, 2020
Apr 24, 2020
Apr 24, 2020
Apr 16, 2020
Apr 9, 2020
Apr 8, 2020
Apr 7, 2020
Apr 7, 2020
Apr 7, 2020
Apr 7, 2020
Apr 3, 2020
Apr 2, 2020
Mar 2, 2020
Mar 2, 2020
Mar 2, 2020
Mar 2, 2020
Mar 2, 2020
Mar 2, 2020
Dec 19, 2019
Dec 19, 2019
Dec 19, 2019
Dec 19, 2019
Dec 2, 2019
Dec 2, 2019
Dec 2, 2019
Dec 2, 2019
Dec 2, 2019
Dec 2, 2019
Dec 2, 2019
Dec 2, 2019
Dec 2, 2019
Dec 2, 2019
Aug 28, 2019
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Aug 21, 2019
Aug 16, 2019
Jul 22, 2019
Jul 22, 2019
Jul 22, 2019
Jul 22, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 27, 2019
Jun 26, 2019
Jun 26, 2019
Jun 26, 2019
Jun 26, 2019
Jun 26, 2019
Jun 26, 2019
Jun 26, 2019
Jun 26, 2019
Jun 26, 2019
Jun 26, 2019
Jun 26, 2019
Jun 26, 2019
Jun 26, 2019
Jun 26, 2019
Jun 26, 2019
Jun 26, 2019
Jun 26, 2019
Jun 26, 2019
May 17, 2019
May 17, 2019
May 17, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 3, 2019
Mar 12, 2019
Mar 12, 2019
Mar 12, 2019
Dec 20, 2018
Dec 14, 2018
Dec 14, 2018
Dec 14, 2018
Nov 30, 2018
Nov 22, 2018
Jul 5, 2018
Jul 5, 2018
Jul 5, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jun 11, 2018
Jan 31, 2018
Jan 31, 2018
Jan 31, 2018
Jan 31, 2018
Jan 25, 2018
Jan 25, 2018
Jan 25, 2018
Jan 25, 2018
Jan 25, 2018
Jan 25, 2018
Jan 25, 2018
Jan 25, 2018
Jan 25, 2018
Jan 24, 2018
Jan 24, 2018
Jan 24, 2018
Jan 24, 2018
Jan 24, 2018
Jan 24, 2018
Jan 11, 2018
Jan 11, 2018
Jan 11, 2018
Jan 11, 2018
Jan 11, 2018
Jan 11, 2018
Jan 11, 2018
Jan 11, 2018
Jan 11, 2018
Jan 11, 2018
Jan 11, 2018
Jan 11, 2018
Jan 11, 2018
Jan 11, 2018
Jan 2, 2018
Jan 2, 2018
Nov 16, 2017
Nov 16, 2017
Nov 16, 2017
Nov 15, 2017
Nov 14, 2017
Nov 14, 2017
Nov 14, 2017
Nov 14, 2017
Nov 13, 2017
Nov 13, 2017
Nov 13, 2017
Nov 13, 2017
Nov 10, 2017
Nov 9, 2017
Nov 9, 2017
Nov 9, 2017
Oct 17, 2017
Oct 11, 2017
Sep 25, 2017
Sep 25, 2017
Sep 22, 2017
Sep 21, 2017
Sep 19, 2017
Sep 18, 2017
Sep 15, 2017
Sep 15, 2017
Sep 15, 2017
Sep 15, 2017
Sep 15, 2017
Sep 15, 2017
Sep 15, 2017
Sep 15, 2017
Sep 15, 2017
Sep 15, 2017
Sep 15, 2017
Jul 24, 2017
Jul 24, 2017
Jul 24, 2017
Jul 24, 2017
Jul 24, 2017
Jul 24, 2017
Jul 24, 2017
Jul 24, 2017
Jul 24, 2017
Jul 6, 2017
Jun 1, 2017
May 30, 2017
May 30, 2017
May 30, 2017
May 24, 2017
May 24, 2017
May 24, 2017
May 24, 2017
May 4, 2017
May 4, 2017
May 4, 2017
Apr 27, 2017
Apr 27, 2017
Apr 27, 2017
Apr 27, 2017
Apr 27, 2017
Apr 27, 2017
Apr 27, 2017
Apr 27, 2017
Apr 27, 2017
Apr 27, 2017
Apr 27, 2017
Apr 12, 2017
Apr 12, 2017
Apr 12, 2017
Apr 12, 2017
Apr 5, 2017
Apr 5, 2017
Apr 5, 2017
Apr 5, 2017
Apr 3, 2017
Apr 3, 2017
Apr 3, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 31, 2017
Mar 29, 2017
Mar 29, 2017
Mar 29, 2017
Mar 29, 2017
Mar 29, 2017
Mar 29, 2017
Mar 29, 2017
Mar 29, 2017
Mar 29, 2017
Mar 29, 2017
Mar 27, 2017
Mar 27, 2017
Mar 27, 2017
Mar 27, 2017
Mar 27, 2017
Mar 27, 2017
Mar 23, 2017
Mar 23, 2017
Mar 23, 2017
Mar 21, 2017
Mar 21, 2017
Mar 21, 2017
Mar 17, 2017
Mar 17, 2017
Nov 25, 2016
Nov 22, 2016
Nov 22, 2016
Nov 17, 2016
Nov 10, 2016
Nov 9, 2016
Nov 8, 2016
Nov 8, 2016
Nov 8, 2016
Nov 8, 2016
Nov 8, 2016
Nov 8, 2016
Nov 8, 2016
Nov 8, 2016
Nov 8, 2016
Nov 8, 2016
Nov 8, 2016
Nov 3, 2016
Sep 13, 2016
Sep 13, 2016
Sep 13, 2016
Sep 7, 2016
Sep 7, 2016
Sep 7, 2016
Sep 7, 2016
Sep 7, 2016
Sep 7, 2016
Aug 16, 2016
Aug 16, 2016
Aug 16, 2016
Aug 9, 2016
Aug 9, 2016
Aug 9, 2016
Aug 9, 2016
Aug 9, 2016
Aug 9, 2016
Aug 9, 2016
Jun 20, 2016
Jun 20, 2016
Jun 20, 2016
Jun 14, 2016
Jun 14, 2016
Jun 14, 2016
Jun 14, 2016
Jun 14, 2016
Jun 14, 2016
May 23, 2016
May 23, 2016
May 23, 2016
May 23, 2016
May 23, 2016
May 23, 2016
May 23, 2016
May 23, 2016
May 23, 2016
May 17, 2016
May 17, 2016
May 12, 2016
Apr 20, 2016
Apr 20, 2016
Apr 20, 2016
Apr 18, 2016
Apr 18, 2016
Apr 18, 2016
Apr 13, 2016
Apr 13, 2016
Apr 13, 2016
Apr 13, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Feb 17, 2016
Feb 17, 2016
Feb 17, 2016
Feb 17, 2016
Feb 9, 2016
Feb 9, 2016
Feb 9, 2016
Oct 7, 2015
Oct 7, 2015
Oct 7, 2015
Oct 1, 2015
Sep 21, 2015
Sep 21, 2015
Sep 21, 2015
Jul 22, 2015
Jul 22, 2015
Jul 16, 2015
Jul 14, 2015
Jul 14, 2015
Jul 13, 2015
Jul 13, 2015
Jul 13, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Jul 6, 2015
Oct 8, 2014
Sep 11, 2014
Jul 2, 2014
May 21, 2014
May 21, 2014
May 21, 2014
Mar 14, 2014
Mar 14, 2014
Mar 10, 2014
Mar 10, 2014
Mar 10, 2014
Mar 10, 2014
Mar 10, 2014
Mar 6, 2014
Mar 6, 2014
Mar 6, 2014
Mar 6, 2014
Mar 6, 2014
Mar 6, 2014
Feb 25, 2014
Feb 25, 2014
Feb 25, 2014
Feb 25, 2014
Jan 13, 2014
Jan 13, 2014
Jan 13, 2014
Jan 13, 2014
Jan 13, 2014
Jan 13, 2014
Jan 13, 2014
Jan 13, 2014
Jan 13, 2014
Jan 13, 2014
Jan 13, 2014
Jan 13, 2014
Jan 13, 2014
Jan 13, 2014
Jan 13, 2014
Aug 26, 2013
Aug 16, 2013
Aug 16, 2013
Aug 16, 2013
Jul 17, 2013
Jul 12, 2013
Jul 12, 2013
Jul 12, 2013
Jun 26, 2013
Jun 6, 2013
May 21, 2013
May 13, 2013
May 10, 2013
Mar 18, 2013
Mar 12, 2013
Mar 12, 2013
Mar 12, 2013
Nov 2, 2012
Nov 2, 2012
Oct 9, 2012
Oct 9, 2012
Oct 2, 2012
Oct 2, 2012
Oct 2, 2012
Oct 2, 2012
Aug 20, 2012
Aug 7, 2012
Aug 7, 2012
Aug 7, 2012
Aug 7, 2012
Aug 7, 2012
Aug 7, 2012
Mar 28, 2012
Mar 28, 2012
Nov 21, 2011
Nov 21, 2011
Nov 21, 2011
Nov 21, 2011
Nov 21, 2011
Nov 16, 2011
Nov 16, 2011
Nov 16, 2011
Nov 16, 2011
Nov 16, 2011
Aug 3, 2011
Jun 1, 2011
May 23, 2011
Apr 20, 2011
Apr 18, 2011
Apr 18, 2011
Apr 18, 2011
Apr 4, 2011
Mar 28, 2011
Jan 31, 2011
Jan 31, 2011
Jan 31, 2011
Jan 31, 2011
Jan 25, 2011
Jan 21, 2011
Jan 21, 2011
Jan 18, 2011
Jan 11, 2011
Oct 26, 2010
Sep 29, 2010
Sep 29, 2010
Sep 29, 2010
Sep 29, 2010
Sep 29, 2010
Sep 29, 2010
Sep 29, 2010
Sep 29, 2010
Sep 29, 2010
Sep 29, 2010
Sep 29, 2010
Sep 29, 2010
Sep 29, 2010
Jan 3, 2005
Jan 3, 2005
Jan 3, 2005
Jan 3, 2005
Jan 3, 2005