Patent No. EP3292795 (titled "Use Of An Elastic Polymer For Production Of A Porous Body In An Additive Manufacturing Method") was filed by Covestro Deutschland on Sep 8, 2017. The application was issued on Dec 18, 2019.

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.
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 25, 2022
Nov 25, 2022
Nov 22, 2022
Aug 11, 2022
Aug 11, 2022
Aug 10, 2022
Aug 10, 2022
Aug 10, 2022
Aug 10, 2022
Aug 10, 2022
Aug 10, 2022
Aug 10, 2022
Aug 10, 2022
Aug 10, 2022
Aug 10, 2022
Aug 10, 2022
Aug 10, 2022
Aug 10, 2022
Jun 20, 2022
May 31, 2022
May 23, 2022
May 23, 2022
May 23, 2022
May 17, 2022
May 17, 2022
May 17, 2022
May 17, 2022
May 17, 2022
May 17, 2022
May 17, 2022
May 17, 2022
Apr 8, 2022
Apr 6, 2022
Mar 31, 2022
Mar 31, 2022
Mar 31, 2022
Mar 31, 2022
Mar 31, 2022
Mar 31, 2022
Mar 31, 2022
Mar 31, 2022
Mar 31, 2022
Mar 31, 2022
Mar 31, 2022
Mar 31, 2022
Mar 31, 2022
Mar 18, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Feb 15, 2022
Feb 9, 2022
Dec 17, 2021
Dec 17, 2021
Nov 3, 2021
Oct 29, 2021
Oct 29, 2021
Oct 29, 2021
Oct 29, 2021
Apr 16, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Apr 9, 2021
Jan 27, 2021
Jan 27, 2021
Jan 18, 2021
Jan 18, 2021
Jan 18, 2021
Oct 2, 2020
Oct 2, 2020
Sep 28, 2020
Sep 18, 2020
Sep 18, 2020
Sep 18, 2020
Sep 18, 2020
Sep 18, 2020
Sep 18, 2020
Sep 18, 2020
Sep 18, 2020
Sep 18, 2020
Sep 18, 2020
Sep 18, 2020
Sep 18, 2020
Sep 18, 2020
Sep 18, 2020
Sep 18, 2020
Sep 18, 2020
Sep 18, 2020
Sep 18, 2020
Sep 18, 2020
Sep 18, 2020
Sep 18, 2020
Sep 18, 2020
Sep 18, 2020
Sep 18, 2020
Jan 2, 2020
Nov 21, 2019
Oct 31, 2019
Oct 31, 2019
Oct 31, 2019
Oct 31, 2019
Oct 31, 2019
Aug 26, 2019
Aug 26, 2019
Aug 26, 2019
Aug 26, 2019
Aug 26, 2019
Jul 5, 2019
Jul 5, 2019
Jul 5, 2019
Jul 5, 2019
Jul 5, 2019
Jul 5, 2019
Jul 5, 2019
Jul 5, 2019
Jul 5, 2019
Jul 5, 2019
Jun 7, 2019
Jun 7, 2019
Jun 7, 2019
Jun 7, 2019
Jun 7, 2019
Jun 7, 2019
Jun 7, 2019
Apr 23, 2019
Apr 11, 2019
Apr 11, 2019
Dec 11, 2018
Dec 11, 2018
Dec 4, 2018
Sep 11, 2018
Sep 11, 2018
Sep 11, 2018
Sep 11, 2018
Sep 11, 2018
Sep 11, 2018
Sep 11, 2018
Mar 19, 2018
Feb 14, 2018
Jan 10, 2018
Jan 2, 2018
Jan 2, 2018
Jan 2, 2018
Jan 2, 2018
Dec 20, 2017
Dec 18, 2017
Dec 4, 2017
Dec 4, 2017
Dec 4, 2017
Dec 4, 2017
Dec 4, 2017
Dec 4, 2017
Dec 4, 2017
Nov 14, 2017
Nov 8, 2017
Oct 27, 2017
Oct 27, 2017
Sep 8, 2017
Sep 8, 2017
Sep 8, 2017
Sep 8, 2017
Sep 8, 2017
Sep 8, 2017
Sep 8, 2017