Patent No. EP3183111 (titled "Casing Consisting Of A Composite Material With A Self-Stiffened Organic Matrix") was filed by Safran Aircraft Engines on Aug 17, 2015. The application was issued on Dec 15, 2021.

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
Dec 18, 2025
Dec 18, 2025
Dec 1, 2025
Nov 26, 2025
Nov 26, 2025
Nov 26, 2025
Jul 1, 2025
Jul 1, 2025
Apr 15, 2025
Apr 15, 2025
Apr 11, 2025
Apr 7, 2025
Apr 7, 2025
Apr 7, 2025
Mar 31, 2025
Mar 31, 2025
Mar 4, 2025
Feb 27, 2025
Feb 27, 2025
Feb 27, 2025
Oct 23, 2024
Oct 23, 2024
Oct 23, 2024
Oct 23, 2024
Oct 19, 2024
Sep 23, 2024
Sep 20, 2024
Sep 20, 2024
Sep 20, 2024
Sep 20, 2024
Sep 20, 2024
Sep 20, 2024
Sep 20, 2024
Sep 20, 2024
Sep 20, 2024
Sep 20, 2024
May 22, 2024
May 16, 2024
May 16, 2024
May 16, 2024
Mar 28, 2024
Mar 28, 2024
Mar 22, 2024
Mar 19, 2024
Mar 18, 2024
Mar 18, 2024
Mar 18, 2024
Mar 18, 2024
Mar 18, 2024
Mar 18, 2024
Jan 22, 2024
Jan 18, 2024
Jan 18, 2024
Jan 18, 2024
Jan 18, 2024
Jan 18, 2024
Jan 18, 2024
Jan 18, 2024
Jan 18, 2024
Jan 18, 2024
Jan 18, 2024
Jan 18, 2024
Jan 18, 2024
Dec 5, 2023
Nov 21, 2023
Nov 17, 2023
Nov 17, 2023
Nov 17, 2023
Nov 17, 2023
Nov 17, 2023
Oct 10, 2023
Oct 5, 2023
Oct 5, 2023
Oct 5, 2023
Oct 5, 2023
Oct 5, 2023
Oct 5, 2023
Sep 6, 2023
Aug 31, 2023
Aug 31, 2023
Aug 31, 2023
Jun 9, 2023
Jun 9, 2023
Jun 9, 2023
Jun 9, 2023
Jun 9, 2023
Jun 9, 2023
Jun 9, 2023
Feb 13, 2023
Feb 8, 2023
Feb 8, 2023
Feb 1, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Sep 29, 2022
Sep 29, 2022
Sep 23, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Jan 5, 2022
Nov 18, 2021
Nov 9, 2021
Nov 9, 2021
Nov 9, 2021
Nov 9, 2021
Jul 27, 2021
Jul 27, 2021
Jul 27, 2021
Jul 27, 2021
Jul 27, 2021
Jun 25, 2021
Jun 25, 2021
Jun 25, 2021
Jun 25, 2021
Jun 25, 2021
Mar 23, 2021
Mar 23, 2021
Mar 18, 2021
Dec 2, 2019
Nov 25, 2019
May 31, 2017
Mar 31, 2017
Mar 27, 2017
Mar 27, 2017
Mar 25, 2017
Mar 16, 2017
Mar 16, 2017
Mar 16, 2017
Mar 13, 2017
Jan 4, 2017
Nov 15, 2016
Nov 15, 2016
Mar 15, 2016
Mar 15, 2016
Feb 25, 2016
Feb 25, 2016
Feb 25, 2016
Dec 7, 2015
Dec 7, 2015
Dec 4, 2015
Dec 4, 2015
Dec 4, 2015
Sep 21, 2015
Sep 3, 2015
Aug 17, 2015
Aug 17, 2015
Aug 17, 2015
Aug 17, 2015