Patent No. EP3240269 (titled "A Headset Adapter And A Headset System") was filed by GN Audio on Apr 28, 2016. The application was issued on Aug 6, 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 |
|---|---|---|
| EPOS GROUP | Dec 2, 2022 | COHAUSZ & FLORACK |
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
Sep 10, 2025
Sep 5, 2025
Sep 5, 2025
Sep 5, 2025
Jul 16, 2025
Jul 10, 2025
Jul 10, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
May 28, 2025
May 28, 2025
May 28, 2025
May 22, 2025
Feb 19, 2025
Feb 19, 2025
Feb 19, 2025
Feb 19, 2025
Feb 19, 2025
Feb 19, 2025
Feb 19, 2025
Feb 19, 2025
Feb 19, 2025
Feb 19, 2025
Feb 19, 2025
Feb 19, 2025
Feb 19, 2025
Feb 19, 2025
Feb 19, 2025
Feb 19, 2025
Feb 19, 2025
Feb 19, 2025
Feb 19, 2025
Feb 19, 2025
Feb 19, 2025
Feb 19, 2025
Feb 19, 2025
Feb 7, 2025
Dec 20, 2024
Dec 19, 2024
Dec 19, 2024
Dec 12, 2024
Dec 12, 2024
Dec 11, 2024
Dec 11, 2024
Dec 9, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 2, 2024
Dec 2, 2024
Nov 28, 2024
Nov 28, 2024
Nov 27, 2024
Nov 27, 2024
Nov 27, 2024
Nov 27, 2024
Nov 27, 2024
Nov 27, 2024
Nov 15, 2024
Nov 15, 2024
Nov 14, 2024
Nov 7, 2024
Nov 7, 2024
Nov 7, 2024
Jul 9, 2024
Jul 9, 2024
Jul 9, 2024
Jul 9, 2024
Jul 9, 2024
Jul 9, 2024
Jul 9, 2024
May 3, 2023
Apr 26, 2023
Apr 26, 2023
Apr 26, 2023
Apr 26, 2023
Apr 26, 2023
Dec 16, 2022
Dec 16, 2022
Dec 9, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Mar 15, 2022
Feb 3, 2022
Jan 19, 2022
Jan 19, 2022
Jan 19, 2022
Jan 19, 2022
Jan 19, 2022
Nov 30, 2021
Nov 30, 2021
Nov 30, 2021
Nov 30, 2021
Nov 30, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Jun 7, 2021
Jun 7, 2021
Jun 1, 2021
Jun 1, 2021
Jun 1, 2021
Jun 1, 2021
Jun 1, 2021
May 7, 2021
May 7, 2021
May 7, 2021
May 7, 2021
May 7, 2021
May 7, 2021
May 7, 2021
Apr 7, 2021
Apr 7, 2021
Apr 7, 2021
Apr 7, 2021
Jul 9, 2020
Jul 9, 2020
Jul 9, 2020
Jul 9, 2020
Jul 9, 2020
May 28, 2020
May 20, 2020
May 20, 2020
Jan 22, 2020
Jan 22, 2020
Jan 10, 2020
Sep 16, 2019
May 1, 2018
May 1, 2018
May 1, 2018
May 1, 2018
May 1, 2018
Nov 6, 2017
Oct 5, 2017
May 11, 2017
Apr 18, 2017
Apr 18, 2017
Apr 18, 2017
Apr 18, 2017
Oct 17, 2016
Oct 17, 2016
Oct 17, 2016
Oct 17, 2016
Oct 11, 2016
Oct 3, 2016
Jun 21, 2016
Apr 28, 2016
Apr 28, 2016
Apr 28, 2016
Apr 28, 2016
Apr 28, 2016
Apr 28, 2016
Apr 28, 2016