The weekly litigation news digest is live. Subscribe now
The patent EP3240269 was granted to GN Audio on Aug 6, 2025. The application was filed on Apr 28, 2016 under application number EP16167569A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 | Opposition Status |
|---|---|---|---|
| EPOS GROUP | Dec 2, 2022 | COHAUSZ & FLORACK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US8755845 |
| OPPOSITION | EP2645682 |
| OPPOSITION | US2007004473 |
| OPPOSITION | US8209441 |
| SEARCH | EP1455477 |
| SEARCH | EP2645682 |
| SEARCH | US2007004473 |
| SEARCH | US2011306393 |
| SEARCH | US2013170665 |
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
Refund of fees
Search/Exam
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
Means of redress
OPPO
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
Decision to grant a European patent
Search/Exam
Jan 19, 2022
(Electronic) Receipt
Search/Exam
Jan 19, 2022
Filing of the translations of the claims
Search/Exam
Jan 19, 2022
French translation of claims
Search/Exam
Jan 19, 2022
German translation of the claims
Search/Exam
Jan 19, 2022
Letter accompanying subsequently filed items
Search/Exam
Nov 30, 2021
Nov 30, 2021
Nov 30, 2021
Intention to grant (signatures)
Search/Exam
Nov 30, 2021
Text intended for grant (clean copy)
Search/Exam
Nov 30, 2021
Oct 11, 2021
(Electronic) Receipt
Search/Exam
Oct 11, 2021
Description
Search/Exam
Oct 11, 2021
Drawings
Search/Exam
Oct 11, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 11, 2021
Jun 7, 2021
Annexes in respect of a client data request
Search/Exam
Jun 7, 2021
Annexes in respect of a client data request
Search/Exam
Jun 1, 2021
Jun 1, 2021
Jun 1, 2021
Intention to grant (signatures)
Search/Exam
Jun 1, 2021
Text intended for grant (clean copy)
Search/Exam
Jun 1, 2021
May 7, 2021
(Electronic) Receipt
Search/Exam
May 7, 2021
Amended claims with annotations
Search/Exam
May 7, 2021
Amended description with annotations
Search/Exam
May 7, 2021
Claims
Search/Exam
May 7, 2021
Description
Search/Exam
May 7, 2021
Letter accompanying subsequently filed items
Search/Exam
May 7, 2021
Apr 7, 2021
Annex to a communication
Search/Exam
Apr 7, 2021
Annex to the communication
Search/Exam
Apr 7, 2021
Apr 7, 2021
Jul 9, 2020
(Electronic) Receipt
Search/Exam
Jul 9, 2020
Amended claims with annotations
Search/Exam
Jul 9, 2020
Claims
Search/Exam
Jul 9, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 9, 2020
May 28, 2020
May 20, 2020
(Electronic) Receipt
Search/Exam
May 20, 2020
Jan 22, 2020
Annex to the communication
Search/Exam
Jan 22, 2020
Communication from the Examining Division
Search/Exam
Jan 10, 2020
Examination started
Search/Exam
Sep 16, 2019
May 1, 2018
(Electronic) Receipt
Search/Exam
May 1, 2018
May 1, 2018
Amended claims with annotations
Search/Exam
May 1, 2018
Amendments received before examination
Search/Exam
May 1, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 6, 2017
Oct 5, 2017
Notification of forthcoming publication
Search/Exam
May 11, 2017
Apr 18, 2017
(Electronic) Receipt
Search/Exam
Apr 18, 2017
Annexes in respect of a client data request
Search/Exam
Apr 18, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 18, 2017
Oct 17, 2016
Oct 17, 2016
European search opinion
Search/Exam
Oct 17, 2016
European search report
Search/Exam
Oct 17, 2016
Information on Search Strategy
Search/Exam
Oct 11, 2016
Modified abstract
Search/Exam
Oct 3, 2016
Search started
Search/Exam
Jun 21, 2016
Communication to designated inventor
Search/Exam
Apr 28, 2016
Abstract
Search/Exam
Apr 28, 2016
Apr 28, 2016
Claims
Search/Exam
Apr 28, 2016
Description
Search/Exam
Apr 28, 2016
Designation of inventor
Search/Exam
Apr 28, 2016
Drawings
Search/Exam
Apr 28, 2016
Request for grant of a European patent
Search/Exam