Patent No. EP2117840 (titled "Security Element For A Security Document And Method For Production Thereof") was filed by Leonhard Kurz Stiftung on Feb 7, 2008. The application was issued on Jan 4, 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 |
|---|---|---|
| GIESECKEDEVRIENT CURRENCY TECHNOLOGY | Oct 4, 2017 | GIESECKEDEVRIENT |
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
Jun 9, 2022
Jun 3, 2022
May 25, 2022
May 23, 2022
May 23, 2022
May 23, 2022
May 10, 2022
May 10, 2022
May 10, 2022
May 2, 2022
May 2, 2022
Apr 29, 2022
Apr 14, 2022
Apr 14, 2022
Apr 11, 2022
Apr 11, 2022
Apr 7, 2022
Apr 5, 2022
Apr 4, 2022
Apr 4, 2022
Apr 4, 2022
Apr 4, 2022
Mar 23, 2022
Mar 17, 2022
Mar 17, 2022
Mar 17, 2022
Jan 26, 2022
Nov 5, 2021
Nov 5, 2021
Oct 27, 2021
Oct 27, 2021
Sep 15, 2021
May 11, 2021
May 11, 2021
May 4, 2021
May 4, 2021
Apr 29, 2021
Jul 13, 2020
Jul 8, 2020
Jul 8, 2020
Jul 8, 2020
Jul 8, 2020
Jul 8, 2020
Jul 8, 2020
Jul 8, 2020
Jul 8, 2020
Jul 8, 2020
Jul 8, 2020
Jul 8, 2020
Jul 8, 2020
Jul 8, 2020
Jul 8, 2020
Jul 8, 2020
Jul 8, 2020
Jul 8, 2020
Jul 8, 2020
Jul 8, 2020
Jul 8, 2020
Jul 8, 2020
Jul 8, 2020
Jul 8, 2020
Jul 8, 2020
Jul 8, 2020
Jul 8, 2020
Jul 8, 2020
Feb 27, 2020
Feb 18, 2020
Jan 20, 2020
Jan 20, 2020
Dec 11, 2019
Dec 11, 2019
Dec 4, 2019
Nov 13, 2019
Nov 13, 2019
Oct 14, 2019
Oct 10, 2019
Oct 8, 2019
Oct 8, 2019
Oct 8, 2019
Oct 8, 2019
Oct 8, 2019
Oct 8, 2019
Oct 8, 2019
Oct 8, 2019
Oct 8, 2019
Oct 8, 2019
Oct 8, 2019
Oct 8, 2019
Oct 8, 2019
Oct 8, 2019
Oct 8, 2019
Sep 10, 2019
Jul 16, 2019
Jul 10, 2019
Jul 10, 2019
Jul 10, 2019
Jul 10, 2019
Jul 10, 2019
Jul 10, 2019
Jul 10, 2019
Jul 10, 2019
Jul 10, 2019
Jul 10, 2019
Jul 10, 2019
Jul 10, 2019
Jul 10, 2019
Jul 10, 2019
Jul 10, 2019
Jul 10, 2019
Jul 10, 2019
Jul 3, 2019
Jun 26, 2019
Feb 18, 2019
Jan 18, 2019
Dec 12, 2018
Nov 30, 2018
Nov 30, 2018
Nov 30, 2018
Nov 28, 2018
Nov 22, 2018
Nov 19, 2018
Nov 16, 2018
Nov 16, 2018
Nov 16, 2018
Nov 16, 2018
Nov 16, 2018
Nov 16, 2018
Mar 26, 2018
Mar 20, 2018
Mar 20, 2018
Mar 20, 2018
Nov 13, 2017
Nov 13, 2017
Oct 17, 2017
Oct 4, 2017
Oct 4, 2017
Oct 4, 2017
Oct 4, 2017
Oct 4, 2017
Oct 4, 2017
Oct 4, 2017
Oct 4, 2017
Oct 4, 2017
Jan 4, 2017
Dec 8, 2016
Nov 25, 2016
Nov 25, 2016
Nov 25, 2016
Nov 25, 2016
Nov 25, 2016
Aug 3, 2016
Aug 3, 2016
Aug 3, 2016
Aug 3, 2016
Aug 3, 2016
Mar 7, 2016
Mar 7, 2016
Mar 7, 2016
Mar 7, 2016
Mar 7, 2016
Mar 7, 2016
Mar 7, 2016
Dec 3, 2015
Dec 3, 2015
Feb 26, 2015
Feb 25, 2015
Feb 6, 2015
Jan 30, 2015
May 28, 2014
Feb 20, 2014
Jan 4, 2011
Jan 4, 2011
Jan 4, 2011
Dec 30, 2010
Dec 30, 2010
Dec 30, 2010
Oct 28, 2010
Oct 22, 2010
Oct 21, 2010
Jun 22, 2010
Jun 22, 2010
Feb 3, 2010
Jan 22, 2010
Oct 21, 2009
Sep 15, 2009
Aug 25, 2009
Aug 3, 2009
Aug 3, 2009
Aug 3, 2009
Aug 3, 2009
Jun 19, 2009
Sep 2, 2008
Sep 2, 2008
Aug 14, 2008
Aug 14, 2008
Feb 7, 2008
Feb 7, 2008
Feb 7, 2008
Feb 7, 2008