Patent No. EP3440243 (titled "Biodegradable Polyamide Fiber, Process For Obtaining Such Fiber And Polyamide Article Made Therefrom") was filed by Rhodia Poliamida E Especialidades on Apr 4, 2016. The application was issued on May 28, 2025.

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 |
|---|---|---|
| NILIT | Mar 21, 2023 | CABINET BECKER ET ASSOCIES |
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
May 2, 2025
Apr 22, 2025
Apr 22, 2025
Apr 22, 2025
Apr 22, 2025
Apr 22, 2025
Mar 18, 2025
Mar 18, 2025
Mar 11, 2025
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Dec 2, 2024
Nov 13, 2024
Nov 13, 2024
Jul 3, 2024
Jul 3, 2024
Jul 3, 2024
Jul 3, 2024
Jul 3, 2024
Jul 3, 2024
Jul 3, 2024
Jul 3, 2024
Jul 3, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 16, 2024
Apr 16, 2024
Apr 16, 2024
Feb 13, 2024
Jan 23, 2024
Jan 23, 2024
Jan 15, 2024
Jan 3, 2024
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 12, 2023
Dec 12, 2023
Dec 12, 2023
Dec 4, 2023
Dec 4, 2023
Dec 4, 2023
Aug 14, 2023
Aug 11, 2023
Aug 11, 2023
Aug 8, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Apr 5, 2023
Apr 5, 2023
Mar 27, 2023
Mar 27, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Feb 13, 2023
Feb 13, 2023
Jul 5, 2022
May 27, 2022
May 13, 2022
May 13, 2022
May 13, 2022
May 13, 2022
May 13, 2022
Mar 30, 2022
Mar 30, 2022
Mar 30, 2022
Mar 30, 2022
Mar 30, 2022
Nov 19, 2021
Nov 19, 2021
Nov 19, 2021
Nov 19, 2021
Nov 19, 2021
Nov 19, 2021
Sep 9, 2021
Sep 9, 2021
Jun 16, 2021
Jun 16, 2021
Jun 16, 2021
Jun 16, 2021
Jun 16, 2021
Feb 17, 2021
Feb 17, 2021
Oct 27, 2020
Oct 27, 2020
Oct 27, 2020
Oct 27, 2020
Oct 27, 2020
Jul 3, 2020
Jul 3, 2020
Jun 24, 2020
Mar 30, 2020
Mar 30, 2020
Mar 25, 2020
Mar 25, 2020
Mar 25, 2020
Mar 25, 2020
Mar 25, 2020
Mar 25, 2020
Mar 25, 2020
Mar 25, 2020
Mar 25, 2020
Mar 25, 2020
Mar 25, 2020
Mar 25, 2020
Mar 25, 2020
Mar 25, 2020
Mar 25, 2020
Mar 25, 2020
Mar 25, 2020
Mar 25, 2020
Jan 16, 2019
Dec 5, 2018
Nov 14, 2018
Nov 14, 2018
Nov 14, 2018
Nov 14, 2018
Oct 24, 2018
Sep 27, 2018
Sep 27, 2018
Sep 27, 2018
Oct 19, 2017
Oct 19, 2017
Sep 15, 2017
Sep 14, 2017
Sep 14, 2017
Sep 14, 2017
Sep 12, 2017
Sep 12, 2017
Jul 14, 2017
Jun 15, 2017
Jun 15, 2017
Jun 15, 2017
Jun 15, 2017
Jun 15, 2017
Jun 15, 2017
Mar 31, 2017
May 26, 2016
Apr 22, 2016