Patent No. EP3221810 (titled "Method And System For Establishing Network Connection To A Hearing Aid") was filed by Widex on Nov 20, 2015. The application was issued on Apr 15, 2020.

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 |
|---|---|---|
| GN HEARING | Jan 15, 2021 | - |
| OTICON | Jan 15, 2021 | 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
Oct 21, 2024
Oct 17, 2024
Oct 17, 2024
Oct 17, 2024
Oct 17, 2024
Oct 17, 2024
Oct 17, 2024
Oct 17, 2024
Oct 17, 2024
Oct 14, 2024
Oct 11, 2024
Oct 11, 2024
Oct 11, 2024
Sep 11, 2024
Sep 11, 2024
Sep 11, 2024
Sep 6, 2024
Sep 6, 2024
Sep 6, 2024
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Apr 16, 2024
Apr 16, 2024
Apr 16, 2024
Apr 10, 2024
Feb 2, 2024
Feb 2, 2024
Jan 29, 2024
Jan 29, 2024
Jan 29, 2024
Oct 18, 2023
Sep 19, 2023
Sep 19, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
May 4, 2023
May 4, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Feb 23, 2023
Feb 23, 2023
Feb 23, 2023
Feb 17, 2023
Feb 17, 2023
Feb 17, 2023
Feb 9, 2023
Feb 9, 2023
Feb 9, 2023
Jan 24, 2023
Dec 20, 2022
Dec 20, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Sep 22, 2022
Sep 8, 2022
Sep 8, 2022
Sep 5, 2022
Sep 5, 2022
Sep 5, 2022
Aug 26, 2022
Aug 16, 2022
Jul 28, 2022
Jul 28, 2022
Jul 27, 2022
Jul 27, 2022
Jul 25, 2022
Jul 25, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 22, 2022
Jul 19, 2022
Jul 19, 2022
Jul 19, 2022
Jul 19, 2022
Jun 29, 2022
Jun 29, 2022
Jun 29, 2022
Jun 29, 2022
Jun 23, 2022
Jun 23, 2022
Jun 23, 2022
Apr 22, 2022
Apr 22, 2022
Apr 22, 2022
Jan 25, 2022
Jan 21, 2022
Jan 21, 2022
Jan 19, 2022
Jan 19, 2022
Jan 19, 2022
Jan 19, 2022
Jan 19, 2022
Jan 19, 2022
Jan 19, 2022
Jan 19, 2022
Jan 19, 2022
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 21, 2021
Dec 13, 2021
Dec 13, 2021
Dec 13, 2021
Dec 13, 2021
Nov 29, 2021
Nov 22, 2021
Nov 18, 2021
Nov 16, 2021
Nov 16, 2021
Nov 16, 2021
Nov 16, 2021
Nov 16, 2021
Nov 16, 2021
Nov 16, 2021
Nov 16, 2021
Jun 15, 2021
Jun 15, 2021
Jun 8, 2021
Jun 8, 2021
Jun 8, 2021
Jun 8, 2021
Jun 8, 2021
Jun 8, 2021
Jan 29, 2021
Jan 29, 2021
Jan 29, 2021
Jan 26, 2021
Jan 26, 2021
Jan 15, 2021
Jan 15, 2021
Jan 15, 2021
Jan 15, 2021
Jan 15, 2021
Jan 15, 2021
Jan 15, 2021
Jan 15, 2021
Jan 15, 2021
Jan 15, 2021
Jan 15, 2021
Jan 15, 2021
Jan 15, 2021
Jan 15, 2021
Jan 15, 2021
Jan 15, 2021
Jan 15, 2021
Jan 15, 2021
Jan 15, 2021
Jan 15, 2021
Jan 15, 2021
Jan 15, 2021
Jan 15, 2021
Apr 27, 2020
Mar 19, 2020
Mar 5, 2020
Mar 5, 2020
Mar 5, 2020
Mar 5, 2020
Feb 10, 2020
Feb 10, 2020
Feb 10, 2020
Feb 10, 2020
Feb 10, 2020
May 16, 2019
May 16, 2019
May 16, 2019
May 16, 2019
May 16, 2019
Jan 8, 2019
Jan 8, 2019
Aug 30, 2017
Jun 30, 2017
Jun 28, 2017
Jun 28, 2017
Jun 28, 2017
Jun 28, 2017
Jun 23, 2017
Jun 7, 2017
May 4, 2017
May 4, 2017
May 4, 2017
May 4, 2017
May 4, 2017
May 4, 2017
May 4, 2017
Mar 31, 2017
Jun 14, 2016
May 26, 2016
May 26, 2016
Feb 4, 2016
Feb 4, 2016
Feb 4, 2016
Nov 30, 2015
Nov 25, 2015
Nov 20, 2015
Nov 20, 2015
Nov 20, 2015
Nov 20, 2015
Nov 20, 2015
Nov 20, 2015