Patent No. EP1534235 (titled "Transdermal Delivery Rate Control Using Amorphous Pharmaceutical Compositions") was filed by Acrux DDS on Jun 24, 2003. The application was issued on Jul 27, 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 |
|---|---|---|
| MÜLLER FOTTNER STEINECKE RECHTSANWALTS- UND PATENTANWALTSPARTNERSCHAFT MBB | Apr 26, 2017 | STEINECKE |
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
Feb 28, 2019
Feb 28, 2019
Feb 21, 2019
Jan 7, 2019
Dec 19, 2018
Nov 27, 2018
Nov 15, 2018
Nov 9, 2018
Nov 9, 2018
Nov 9, 2018
Nov 9, 2018
Nov 9, 2018
Nov 9, 2018
Nov 9, 2018
Nov 9, 2018
Nov 9, 2018
Nov 9, 2018
Nov 9, 2018
Nov 9, 2018
Oct 5, 2018
Aug 8, 2018
Aug 2, 2018
Aug 2, 2018
Aug 2, 2018
Aug 2, 2018
Aug 2, 2018
Aug 2, 2018
Aug 2, 2018
Aug 2, 2018
Aug 2, 2018
Aug 2, 2018
Aug 2, 2018
Aug 2, 2018
Jul 23, 2018
Jul 23, 2018
Jul 16, 2018
Jul 11, 2018
Jul 11, 2018
Jul 11, 2018
May 28, 2018
May 17, 2018
Mar 22, 2018
Mar 22, 2018
Mar 22, 2018
Mar 15, 2018
Mar 15, 2018
Mar 7, 2018
Mar 7, 2018
Mar 6, 2018
Feb 14, 2018
Feb 14, 2018
Feb 14, 2018
Feb 14, 2018
Feb 14, 2018
Feb 14, 2018
Feb 14, 2018
Jan 30, 2018
Oct 13, 2017
Oct 13, 2017
Oct 13, 2017
Jun 9, 2017
Jun 9, 2017
May 12, 2017
Apr 26, 2017
Apr 26, 2017
Apr 26, 2017
Apr 26, 2017
Apr 26, 2017
Apr 26, 2017
Apr 26, 2017
Apr 26, 2017
Apr 26, 2017
Apr 26, 2017
Jul 27, 2016
Jun 30, 2016
Apr 26, 2016
Apr 26, 2016
Apr 26, 2016
Apr 7, 2016
Apr 7, 2016
Apr 7, 2016
Apr 7, 2016
Apr 7, 2016
Mar 3, 2016
Feb 12, 2016
Feb 12, 2016
Feb 12, 2016
Feb 12, 2016
Feb 12, 2016
Feb 12, 2016
Feb 12, 2016
Oct 22, 2015
Oct 22, 2015
Oct 22, 2015
Oct 22, 2015
Oct 22, 2015
Oct 5, 2015
Oct 5, 2015
Oct 5, 2015
Oct 5, 2015
Oct 5, 2015
Oct 5, 2015
Oct 5, 2015
Sep 14, 2015
Sep 14, 2015
Sep 14, 2015
Sep 11, 2015
Sep 7, 2015
Sep 7, 2015
Sep 1, 2015
Aug 27, 2015
Aug 24, 2015
Aug 18, 2015
Aug 17, 2015
Aug 17, 2015
Aug 17, 2015
Aug 17, 2015
Aug 17, 2015
Aug 17, 2015
Aug 17, 2015
Aug 17, 2015
Aug 13, 2015
Jul 31, 2015
Jun 17, 2015
Jun 17, 2015
Jan 29, 2015
Jan 20, 2015
Jan 20, 2015
Jan 20, 2015
Jan 20, 2015
Nov 27, 2014
Nov 27, 2014
Nov 27, 2014
Nov 25, 2014
Nov 20, 2014
Nov 13, 2014
Nov 11, 2014
Nov 7, 2014
Nov 7, 2014
Nov 7, 2014
Nov 5, 2014
Oct 20, 2014
Oct 20, 2014
Oct 20, 2014
Oct 20, 2014
Oct 20, 2014
Oct 20, 2014
Oct 20, 2014
Oct 20, 2014
Oct 20, 2014
Oct 20, 2014
Oct 20, 2014
Oct 20, 2014
May 29, 2014
May 20, 2014
May 20, 2014
May 20, 2014
May 20, 2014
Mar 31, 2014
Nov 5, 2013
Jun 26, 2013
Jun 26, 2013
May 7, 2012
May 7, 2012
May 7, 2012
May 3, 2012
May 3, 2012
May 3, 2012
Mar 2, 2012
Mar 1, 2012
Feb 28, 2012
Feb 28, 2012
Jan 12, 2012
Dec 13, 2011
Oct 24, 2011
Oct 24, 2011
Aug 30, 2010
Aug 30, 2010
Aug 30, 2010
Aug 30, 2010
Aug 26, 2010
Aug 26, 2010
Aug 26, 2010
Aug 26, 2010
Jun 17, 2010
Jun 15, 2010
Jun 11, 2010
Feb 16, 2010
Feb 16, 2010
Jan 7, 2010
Jan 5, 2010
Apr 1, 2009
Apr 1, 2009
Apr 1, 2009
Apr 1, 2009
Mar 30, 2009
Feb 4, 2009
Feb 2, 2009
Jan 29, 2009
Sep 19, 2008
Sep 19, 2008
Jul 9, 2008
Jun 6, 2008
May 20, 2008
May 20, 2008
Oct 29, 2007
Mar 17, 2006
Mar 15, 2006
Feb 17, 2006
Apr 20, 2005
Feb 15, 2005
Jan 25, 2005
Jan 25, 2005
Jan 25, 2005
Jan 21, 2005
Jan 21, 2005
Jan 3, 2005
Dec 27, 2004
Nov 5, 2004
May 25, 2004
Dec 31, 2003
Dec 31, 2003