Patent No. EP1841286 (titled "Hearing Aid With Adaptive Starting Values Of Parameters") was filed by Siemens Audiologische Technik on Mar 5, 2007. The application was issued on Jun 25, 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 |
|---|---|---|
| OTICON GN RESOUND WIDEX | Mar 25, 2015 | EISENFUHR SPEISER |
| SONOVA | Mar 20, 2015 | SCHWAN SCHORER & PARTNER MBB |
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
Sep 22, 2017
Sep 22, 2017
Sep 22, 2017
Sep 19, 2017
Jun 13, 2017
Jun 13, 2017
Jun 9, 2017
Jun 9, 2017
Jun 9, 2017
Jun 8, 2017
Jun 8, 2017
Jun 8, 2017
Jun 8, 2017
Jun 8, 2017
Jun 8, 2017
Jun 8, 2017
Jun 8, 2017
Jun 8, 2017
Jun 8, 2017
Jun 8, 2017
Jun 8, 2017
Jun 8, 2017
May 15, 2017
May 15, 2017
May 11, 2017
May 10, 2017
May 10, 2017
May 9, 2017
May 9, 2017
May 9, 2017
May 9, 2017
May 5, 2017
May 5, 2017
May 5, 2017
May 5, 2017
May 2, 2017
May 2, 2017
May 2, 2017
Apr 19, 2017
Apr 19, 2017
Apr 19, 2017
Apr 13, 2017
Apr 13, 2017
Apr 13, 2017
Apr 13, 2017
Apr 13, 2017
Apr 11, 2017
Apr 11, 2017
Apr 11, 2017
Apr 11, 2017
Apr 11, 2017
Apr 11, 2017
Apr 11, 2017
Apr 11, 2017
Apr 11, 2017
Apr 11, 2017
Mar 22, 2017
Mar 22, 2017
Mar 16, 2017
Mar 16, 2017
Mar 16, 2017
Feb 13, 2017
Feb 13, 2017
Feb 10, 2017
Feb 8, 2017
Sep 13, 2016
Sep 7, 2016
Sep 6, 2016
Aug 29, 2016
Aug 29, 2016
Aug 24, 2016
Aug 24, 2016
Aug 24, 2016
Aug 10, 2016
Aug 8, 2016
Aug 8, 2016
Aug 8, 2016
Aug 8, 2016
Aug 5, 2016
Aug 5, 2016
Aug 5, 2016
Aug 5, 2016
Aug 5, 2016
Aug 5, 2016
Aug 5, 2016
Aug 5, 2016
Aug 5, 2016
May 3, 2016
May 3, 2016
Apr 28, 2016
Apr 28, 2016
Apr 28, 2016
Nov 17, 2015
Nov 17, 2015
Nov 13, 2015
Nov 13, 2015
Nov 11, 2015
Nov 10, 2015
Nov 10, 2015
Nov 10, 2015
Nov 9, 2015
Oct 6, 2015
Sep 11, 2015
Sep 3, 2015
Sep 3, 2015
Aug 19, 2015
Aug 19, 2015
Aug 19, 2015
Aug 13, 2015
Apr 29, 2015
Apr 29, 2015
Apr 29, 2015
Apr 9, 2015
Apr 1, 2015
Mar 31, 2015
Mar 31, 2015
Mar 30, 2015
Mar 26, 2015
Mar 25, 2015
Mar 25, 2015
Mar 25, 2015
Mar 25, 2015
Mar 25, 2015
Mar 25, 2015
Mar 25, 2015
Mar 25, 2015
Mar 25, 2015
Mar 25, 2015
Mar 20, 2015
Mar 20, 2015
Mar 20, 2015
Mar 20, 2015
Mar 20, 2015
Mar 20, 2015
Mar 20, 2015
Mar 20, 2015
Mar 20, 2015
Mar 20, 2015
Mar 20, 2015
Mar 20, 2015
Mar 20, 2015
Mar 20, 2015
Jun 25, 2014
May 30, 2014
May 13, 2014
May 13, 2014
May 13, 2014
May 13, 2014
Jan 24, 2014
Jan 24, 2014
Jan 24, 2014
Jan 24, 2014
Dec 3, 2013
Dec 3, 2013
Dec 3, 2013
Dec 3, 2013
Dec 3, 2013
Aug 19, 2013
Aug 19, 2013
Aug 6, 2013
Jun 22, 2011
Jun 22, 2011
Jun 22, 2011
Jun 21, 2011
Jun 21, 2011
Jun 21, 2011
Dec 28, 2010
Nov 18, 2010
Nov 18, 2010
Nov 18, 2010
Feb 15, 2008
Feb 8, 2008
Dec 6, 2007
Nov 30, 2007
Sep 5, 2007
Apr 3, 2007
Apr 3, 2007
Mar 5, 2007
Mar 5, 2007
Mar 5, 2007
Mar 5, 2007
Mar 5, 2007
Mar 5, 2007
Mar 5, 2007
Mar 5, 2007