Patent No. EP1842528 (titled "Cosmetic Composition Comprising At Least One Hydroxy Acid, At Least One Mono- Or Disaccharide And At Least One Ceramide, And Process For The Preparation Thereof") was filed by L'Oreal on Feb 26, 2007. The application was issued on Apr 15, 2015.

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 |
|---|---|---|
| KAO GERMANY | Jan 15, 2016 | GRIT |
| HENKEL | Jan 12, 2016 | - |
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
Mar 2, 2018
Mar 2, 2018
Mar 2, 2018
Feb 27, 2018
Nov 28, 2017
Nov 23, 2017
Nov 22, 2017
Nov 22, 2017
Nov 20, 2017
Nov 17, 2017
Nov 16, 2017
Nov 16, 2017
Nov 16, 2017
Nov 16, 2017
Nov 16, 2017
Nov 16, 2017
Nov 16, 2017
Nov 16, 2017
Nov 16, 2017
Nov 16, 2017
Nov 16, 2017
Nov 16, 2017
Nov 16, 2017
Nov 16, 2017
Nov 16, 2017
Nov 16, 2017
Nov 16, 2017
Nov 16, 2017
Nov 16, 2017
Nov 16, 2017
Oct 18, 2017
Oct 18, 2017
Oct 18, 2017
Oct 16, 2017
Oct 13, 2017
Oct 13, 2017
Oct 13, 2017
Aug 11, 2017
Aug 11, 2017
Aug 9, 2017
Aug 8, 2017
Jul 27, 2017
Jul 27, 2017
Jul 21, 2017
Jul 21, 2017
Jul 21, 2017
Jul 14, 2017
Jul 14, 2017
Jul 13, 2017
Jul 10, 2017
Feb 13, 2017
Feb 7, 2017
Feb 6, 2017
Feb 3, 2017
Feb 2, 2017
Feb 2, 2017
Feb 1, 2017
Feb 1, 2017
Feb 1, 2017
Feb 1, 2017
Feb 1, 2017
Feb 1, 2017
Feb 1, 2017
Feb 1, 2017
Feb 1, 2017
Sep 23, 2016
Sep 23, 2016
Sep 20, 2016
Sep 20, 2016
Sep 20, 2016
Sep 20, 2016
Sep 20, 2016
Sep 20, 2016
Sep 20, 2016
Sep 20, 2016
Sep 20, 2016
Sep 20, 2016
Sep 20, 2016
Sep 20, 2016
Sep 20, 2016
Sep 20, 2016
Sep 20, 2016
Sep 20, 2016
Jul 6, 2016
Jul 6, 2016
Jul 6, 2016
Jul 6, 2016
Jun 24, 2016
Jun 20, 2016
Feb 23, 2016
Feb 23, 2016
Feb 23, 2016
Jan 22, 2016
Jan 20, 2016
Jan 16, 2016
Jan 16, 2016
Jan 16, 2016
Jan 16, 2016
Jan 16, 2016
Jan 15, 2016
Jan 15, 2016
Jan 15, 2016
Jan 15, 2016
Jan 15, 2016
Jan 15, 2016
Jan 15, 2016
Jan 15, 2016
Jan 15, 2016
Jan 15, 2016
Jan 15, 2016
Jan 15, 2016
Jan 15, 2016
Jan 12, 2016
Jan 12, 2016
Jan 12, 2016
Jan 12, 2016
Jan 12, 2016
Apr 15, 2015
Mar 19, 2015
Feb 27, 2015
Feb 27, 2015
Feb 27, 2015
Feb 27, 2015
Feb 27, 2015
Dec 10, 2014
Dec 10, 2014
Dec 10, 2014
Dec 10, 2014
Apr 3, 2013
Aug 21, 2012
Aug 21, 2012
Aug 21, 2012
Aug 21, 2012
Apr 27, 2012
Apr 27, 2012
May 12, 2010
May 12, 2010
Feb 25, 2010
Feb 19, 2010
Feb 19, 2010
Feb 19, 2010
Nov 3, 2009
Nov 3, 2009
Nov 3, 2009
Nov 2, 2009
Oct 15, 2007
Sep 12, 2007
Aug 1, 2007
Jul 24, 2007
Jun 28, 2007
Jun 13, 2007
Apr 4, 2007
Apr 4, 2007
Apr 4, 2007
Mar 2, 2007
Mar 2, 2007
Feb 26, 2007
Feb 26, 2007
Feb 26, 2007
Feb 26, 2007
Feb 26, 2007
Feb 26, 2007
Feb 26, 2007
Feb 26, 2007