Patent No. EP1356841 (titled "Ergonomic And Adjustable Respiratory Mask Assembly With Cushion") was filed by ResMed Limited on Apr 23, 2003. The application was issued on Nov 15, 2017.

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 |
|---|---|---|
| AIR LIQUIDE MEDICAL SYSTEMS | Dec 9, 2014 | PITTIS |
| BMC MEDICAL | Sep 22, 2014 | GRUNECKER PATENT |
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
Oct 19, 2017
Oct 19, 2017
Oct 17, 2017
Sep 27, 2017
Sep 27, 2017
Sep 27, 2017
Sep 27, 2017
Jun 21, 2017
Jun 21, 2017
Jun 21, 2017
Jun 21, 2017
May 29, 2017
Feb 24, 2017
Feb 23, 2017
Feb 14, 2017
Feb 10, 2017
Feb 10, 2017
Feb 9, 2017
Feb 9, 2017
Feb 9, 2017
Feb 9, 2017
Feb 9, 2017
Feb 9, 2017
Feb 9, 2017
Feb 9, 2017
Feb 9, 2017
Feb 9, 2017
Feb 9, 2017
Feb 9, 2017
Feb 9, 2017
Feb 9, 2017
Feb 9, 2017
Feb 1, 2017
Feb 1, 2017
Feb 1, 2017
Jan 24, 2017
Jan 12, 2017
Nov 18, 2016
Nov 18, 2016
Nov 18, 2016
Nov 15, 2016
Nov 15, 2016
Nov 11, 2016
Nov 11, 2016
Nov 10, 2016
Nov 10, 2016
Nov 8, 2016
Oct 27, 2016
Oct 27, 2016
Oct 27, 2016
Oct 14, 2016
Oct 14, 2016
Oct 10, 2016
Oct 10, 2016
Oct 10, 2016
Jul 29, 2016
Jul 21, 2016
Jul 15, 2016
Jul 15, 2016
Jul 14, 2016
Jul 14, 2016
Jul 13, 2016
Jul 13, 2016
Jul 13, 2016
Jul 13, 2016
Jul 13, 2016
Jul 13, 2016
Jul 13, 2016
Jul 13, 2016
Jul 13, 2016
Jul 13, 2016
Jul 13, 2016
Oct 12, 2015
Oct 12, 2015
Oct 5, 2015
Aug 6, 2015
Aug 6, 2015
Aug 6, 2015
Jul 30, 2015
Mar 24, 2015
Mar 24, 2015
Mar 24, 2015
Mar 12, 2015
Mar 11, 2015
Mar 11, 2015
Mar 11, 2015
Feb 24, 2015
Jan 23, 2015
Jan 13, 2015
Jan 13, 2015
Jan 7, 2015
Dec 17, 2014
Dec 9, 2014
Dec 9, 2014
Dec 9, 2014
Dec 9, 2014
Dec 9, 2014
Dec 9, 2014
Dec 9, 2014
Dec 9, 2014
Dec 9, 2014
Dec 9, 2014
Dec 9, 2014
Dec 9, 2014
Dec 9, 2014
Dec 9, 2014
Dec 9, 2014
Dec 9, 2014
Oct 2, 2014
Sep 22, 2014
Sep 22, 2014
Sep 22, 2014
Sep 22, 2014
Sep 22, 2014
Sep 22, 2014
Sep 22, 2014
Sep 22, 2014
Sep 22, 2014
Sep 22, 2014
Sep 22, 2014
Sep 22, 2014
Sep 22, 2014
May 14, 2014
Apr 17, 2014
Mar 31, 2014
Mar 31, 2014
Mar 31, 2014
Mar 31, 2014
Dec 16, 2013
Dec 16, 2013
Dec 16, 2013
Dec 16, 2013
Dec 5, 2013
Oct 17, 2013
Oct 17, 2013
Jun 7, 2013
Jun 7, 2013
Jun 7, 2013
Jun 7, 2013
May 31, 2013
May 31, 2013
May 22, 2013
Nov 26, 2012
Nov 26, 2012
Aug 16, 2012
Aug 16, 2012
Jun 17, 2011
Jun 9, 2011
May 26, 2011
May 26, 2011
Jan 20, 2011
Jan 20, 2011
May 14, 2009
May 14, 2009
May 8, 2009
May 8, 2009
May 8, 2009
Apr 20, 2009
Feb 27, 2008
Feb 27, 2008
Feb 27, 2008
Feb 27, 2008
Feb 27, 2008
Oct 18, 2007
Oct 18, 2007
Oct 14, 2006
Oct 14, 2006
Oct 12, 2006
Oct 12, 2006
Aug 14, 2006
Aug 3, 2006
Apr 4, 2006
Apr 4, 2006
Nov 24, 2004
Nov 10, 2003
Sep 22, 2003
Sep 22, 2003
Sep 22, 2003
Sep 17, 2003
Sep 3, 2003
Sep 3, 2003
Sep 3, 2003
Sep 3, 2003
Sep 3, 2003
Aug 20, 2003
Aug 20, 2003
Aug 20, 2003
Aug 20, 2003
Aug 20, 2003
Aug 20, 2003
Aug 20, 2003
Aug 20, 2003
Aug 19, 2003
Jun 23, 2003
Apr 23, 2003
Apr 23, 2003
Apr 23, 2003
Apr 23, 2003
Apr 23, 2003