Patent No. EP3077559 (titled "Aluminum/Copper/Lithium Alloy Material For Underwing Element Having Enhanced Properties") was filed by Constellium Issoire on Dec 2, 2014. The application was issued on Aug 22, 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 |
|---|---|---|
| HOWMET AEROSPACE | May 22, 2019 | FORRESTERS |
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
Oct 16, 2025
Oct 16, 2025
Oct 3, 2025
Oct 3, 2025
Oct 3, 2025
Oct 3, 2025
Oct 3, 2025
Jul 15, 2025
Jul 15, 2025
Jul 15, 2025
Jul 10, 2025
Apr 10, 2025
Apr 10, 2025
Apr 10, 2025
Apr 10, 2025
Apr 10, 2025
Apr 10, 2025
Apr 8, 2025
Apr 3, 2025
Oct 31, 2024
Oct 31, 2024
Oct 31, 2024
Oct 31, 2024
Oct 31, 2024
Aug 14, 2024
Aug 7, 2024
Aug 7, 2024
Aug 7, 2024
Aug 7, 2024
Aug 7, 2024
May 24, 2024
May 24, 2024
May 24, 2024
May 24, 2024
May 24, 2024
Mar 6, 2024
Mar 6, 2024
Mar 6, 2024
Mar 6, 2024
Jan 4, 2024
Jan 4, 2024
Jan 4, 2024
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Nov 20, 2023
Nov 20, 2023
Nov 20, 2023
Nov 20, 2023
Nov 20, 2023
Nov 20, 2023
Nov 20, 2023
Nov 20, 2023
Nov 20, 2023
Nov 20, 2023
Nov 20, 2023
Nov 20, 2023
Nov 20, 2023
Oct 24, 2023
Oct 24, 2023
Oct 23, 2023
Oct 18, 2023
Oct 18, 2023
Oct 18, 2023
Mar 13, 2023
Mar 13, 2023
Mar 7, 2023
Mar 7, 2023
Jun 28, 2022
Jun 23, 2022
Jun 23, 2022
Jun 23, 2022
Jun 23, 2022
Jun 23, 2022
Jun 23, 2022
Jun 23, 2022
Jun 23, 2022
Jun 23, 2022
Apr 14, 2022
Feb 17, 2022
Feb 14, 2022
Feb 14, 2022
Feb 14, 2022
Nov 29, 2021
Nov 29, 2021
Nov 22, 2021
Nov 22, 2021
Nov 22, 2021
Oct 15, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Sep 2, 2021
Jul 6, 2021
Jul 6, 2021
Jul 6, 2021
Jul 1, 2021
Jul 1, 2021
Jun 30, 2021
Jun 30, 2021
Jun 30, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Jun 22, 2021
Jun 22, 2021
Nov 20, 2020
Nov 11, 2020
Nov 9, 2020
Nov 9, 2020
Nov 9, 2020
Nov 9, 2020
Nov 9, 2020
Nov 9, 2020
Sep 22, 2020
Sep 22, 2020
Sep 22, 2020
Sep 16, 2020
Sep 16, 2020
Sep 16, 2020
Sep 14, 2020
Sep 14, 2020
Sep 14, 2020
Sep 11, 2020
Sep 11, 2020
Sep 8, 2020
Sep 7, 2020
Sep 4, 2020
Sep 4, 2020
Sep 4, 2020
Aug 10, 2020
Aug 10, 2020
Aug 10, 2020
Aug 10, 2020
Jul 21, 2020
Jul 10, 2020
Jun 10, 2020
Jun 4, 2020
Jun 4, 2020
Jun 4, 2020
Jun 4, 2020
Jun 4, 2020
Jun 4, 2020
May 11, 2020
May 11, 2020
May 6, 2020
Apr 2, 2020
Mar 31, 2020
Mar 27, 2020
Mar 27, 2020
Mar 27, 2020
Mar 27, 2020
Mar 27, 2020
Mar 27, 2020
Mar 27, 2020
Mar 26, 2020
Mar 26, 2020
Mar 26, 2020
Mar 26, 2020
Mar 26, 2020
Mar 26, 2020
Mar 26, 2020
Mar 26, 2020
Mar 26, 2020
Nov 6, 2019
Nov 6, 2019
Oct 31, 2019
Oct 30, 2019
Oct 30, 2019
Oct 30, 2019
Oct 30, 2019
Oct 30, 2019
Oct 30, 2019
Oct 10, 2019
Oct 4, 2019
Oct 4, 2019
Oct 4, 2019
Jun 4, 2019
Jun 4, 2019
May 27, 2019
May 22, 2019
May 22, 2019
May 22, 2019
May 22, 2019
May 22, 2019
May 22, 2019
May 22, 2019
Sep 3, 2018
Jul 26, 2018
Jul 12, 2018
Jul 12, 2018
Jul 12, 2018
Jul 12, 2018
Jul 12, 2018
Mar 28, 2018
Mar 28, 2018
Mar 28, 2018
Mar 28, 2018
Mar 28, 2018
Jul 28, 2017
Jul 28, 2017
Jul 28, 2017
Jul 28, 2017
Jul 28, 2017
Jul 28, 2017
Jul 28, 2017
Mar 29, 2017
Mar 29, 2017
Mar 27, 2017
Mar 13, 2017
Jan 11, 2017
Jan 11, 2017
Jan 11, 2017
Jan 11, 2017
Jan 11, 2017
Sep 14, 2016
Jul 14, 2016
Jul 12, 2016
Jul 7, 2016
Jul 1, 2016
Jul 1, 2016
Jun 21, 2016
Apr 15, 2016
Feb 8, 2016
Aug 20, 2015
Aug 20, 2015
Aug 20, 2015
Jul 8, 2015
Jul 8, 2015
Jul 8, 2015
Jun 29, 2015
Jun 11, 2015