Patent No. EP3394398 (titled "Leading Edge Shield") was filed by Safran Aircraft Engines on Dec 21, 2016. The application was issued on Apr 27, 2022.

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 10, 2025
Dec 3, 2025
Dec 3, 2025
Dec 3, 2025
Dec 3, 2025
Dec 3, 2025
Dec 3, 2025
Dec 3, 2025
Dec 3, 2025
Dec 3, 2025
Dec 3, 2025
Dec 3, 2025
Sep 5, 2025
Sep 3, 2025
Sep 3, 2025
Aug 4, 2025
Jul 28, 2025
Jul 28, 2025
Jul 28, 2025
Jul 3, 2025
Jun 2, 2025
Jun 2, 2025
May 26, 2025
May 26, 2025
May 26, 2025
Mar 26, 2025
Mar 26, 2025
Mar 26, 2025
Mar 26, 2025
Mar 26, 2025
Mar 26, 2025
Mar 26, 2025
Mar 26, 2025
Mar 26, 2025
Mar 26, 2025
Mar 26, 2025
Mar 26, 2025
Mar 26, 2025
Mar 26, 2025
Mar 24, 2025
Feb 18, 2025
Feb 18, 2025
Feb 14, 2025
Feb 14, 2025
Feb 14, 2025
Dec 23, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Oct 18, 2024
Oct 18, 2024
Oct 18, 2024
Oct 18, 2024
Oct 18, 2024
Oct 18, 2024
Oct 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 17, 2024
Sep 11, 2024
Sep 11, 2024
Sep 11, 2024
Jul 26, 2024
Jul 25, 2024
Jul 23, 2024
Jul 19, 2024
Jul 18, 2024
Jul 18, 2024
Jul 18, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 15, 2024
Jul 15, 2024
Jul 15, 2024
Jul 15, 2024
Feb 23, 2024
Feb 23, 2024
Feb 23, 2024
Feb 23, 2024
Feb 23, 2024
Feb 23, 2024
Jun 15, 2023
Jun 6, 2023
Jun 6, 2023
Jun 6, 2023
Jun 6, 2023
Jun 6, 2023
Jun 6, 2023
Jun 6, 2023
Feb 10, 2023
Feb 10, 2023
Feb 6, 2023
Jan 27, 2023
Jan 27, 2023
Jan 27, 2023
Jan 27, 2023
Jan 27, 2023
Jan 27, 2023
May 11, 2022
Mar 31, 2022
Mar 17, 2022
Mar 17, 2022
Mar 17, 2022
Mar 17, 2022
Nov 29, 2021
Nov 29, 2021
Nov 29, 2021
Nov 29, 2021
Nov 29, 2021
Jul 7, 2021
Jul 7, 2021
Jul 7, 2021
Mar 10, 2021
Mar 10, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Nov 20, 2020
Nov 20, 2020
Nov 16, 2020
Oct 4, 2018
Aug 3, 2018
Jul 28, 2018
Jul 27, 2018
Jul 27, 2018
Jul 27, 2018
Jul 27, 2018
Jul 27, 2018
Jul 16, 2018
Jun 27, 2018
Jun 27, 2018
Jun 27, 2018
May 4, 2018
Jul 18, 2017
Jun 29, 2017
Jun 29, 2017
Jun 29, 2017
Mar 24, 2017
Mar 24, 2017
Mar 23, 2017
Mar 23, 2017
Mar 23, 2017
Feb 7, 2017
Jan 26, 2017
Dec 21, 2016
Dec 21, 2016
Dec 21, 2016
Dec 21, 2016