Patent No. EP2580705 (titled "Web-Based Electronically Signed Documents") was filed by Docusign on Jun 13, 2011. The application was issued on Aug 8, 2018.

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 |
|---|---|---|
| FRANCOTYP POSTALIA | May 8, 2019 | COHAUSZ & FLORACK |
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
Nov 22, 2021
Nov 17, 2021
Aug 28, 2021
Aug 6, 2021
Aug 6, 2021
Aug 6, 2021
Aug 6, 2021
Aug 6, 2021
Aug 6, 2021
Aug 6, 2021
Aug 6, 2021
Aug 6, 2021
Aug 6, 2021
Jun 7, 2021
Jun 1, 2021
Jun 1, 2021
Jun 1, 2021
Jun 1, 2021
Jun 1, 2021
May 27, 2021
May 25, 2021
May 25, 2021
May 25, 2021
Apr 6, 2021
Apr 6, 2021
Mar 26, 2021
Mar 26, 2021
Mar 26, 2021
Mar 26, 2021
Mar 26, 2021
Mar 26, 2021
Mar 26, 2021
Mar 26, 2021
Mar 26, 2021
Mar 26, 2021
Mar 26, 2021
Mar 26, 2021
Mar 15, 2021
Mar 15, 2021
Mar 10, 2021
Mar 10, 2021
Mar 10, 2021
Jan 26, 2021
Jan 26, 2021
Oct 21, 2020
Oct 20, 2020
Oct 13, 2020
Oct 13, 2020
Oct 13, 2020
Oct 13, 2020
Oct 13, 2020
Dec 13, 2019
Dec 4, 2019
Dec 4, 2019
Dec 4, 2019
Dec 4, 2019
Dec 4, 2019
Dec 4, 2019
Dec 4, 2019
Oct 8, 2019
Oct 8, 2019
Oct 8, 2019
Oct 2, 2019
Oct 2, 2019
Oct 2, 2019
Sep 26, 2019
Sep 26, 2019
Sep 19, 2019
Sep 19, 2019
Sep 19, 2019
May 28, 2019
May 28, 2019
May 15, 2019
May 8, 2019
May 8, 2019
May 8, 2019
May 8, 2019
May 8, 2019
May 8, 2019
May 8, 2019
Aug 20, 2018
Jul 12, 2018
Jun 6, 2018
Jun 6, 2018
Jun 6, 2018
Jun 6, 2018
Jun 6, 2018
Jun 5, 2018
May 21, 2018
May 21, 2018
May 21, 2018
May 21, 2018
May 21, 2018
May 21, 2018
Jan 11, 2018
Jan 11, 2018
Jan 11, 2018
Jan 11, 2018
Jan 11, 2018
Dec 11, 2017
May 3, 2017
Apr 21, 2017
Feb 16, 2016
Feb 2, 2016
Jan 27, 2016
Jan 14, 2016
Jan 14, 2016
Jan 14, 2016
Sep 8, 2015
Sep 8, 2015
Sep 8, 2015
Sep 3, 2015
Sep 3, 2015
Sep 3, 2015
Feb 27, 2015
Feb 11, 2015
Feb 11, 2015
Feb 11, 2015
Jan 5, 2015
May 28, 2014
May 24, 2014
May 23, 2014
Apr 25, 2014
Apr 25, 2014
Apr 25, 2014
Dec 24, 2013
Dec 23, 2013
Jun 17, 2013
Jun 17, 2013
Mar 20, 2013
Feb 22, 2013
Feb 20, 2013
Feb 20, 2013
Feb 20, 2013
Jan 9, 2013
Jan 9, 2013
Jan 3, 2013
Oct 19, 2012
Apr 5, 2012
Apr 5, 2012
Jan 5, 2012
Jan 5, 2012
Dec 15, 2011
Dec 15, 2011