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The patent EP3177039 was granted to GN Hearing on Sep 29, 2021. The application was filed on Dec 1, 2015 under application number EP15197184A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| OTICON | Jun 29, 2022 | COHAUSZ & FLORACK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | DE3616773 |
| EXAMINATION | US2015036854 |
| OPPOSITION | DE3616773 |
| OPPOSITION | EP1681903 |
| OPPOSITION | EP2229009 |
| OPPOSITION | EP2680366 |
| OPPOSITION | EP2849282 |
| OPPOSITION | US2015036854 |
| OPPOSITION | WO2011137099 |
| OPPOSITION | WO2015127972 |
| SEARCH | EP1681903 |
| SEARCH | EP2229009 |
| SEARCH | EP2680366 |
| SEARCH | EP2849282 |
| SEARCH | WO2015127972 |
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
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Jan 9, 2026
Jan 8, 2026
Jan 8, 2026
Jan 5, 2026
(Electronic) Receipt
Appeal
Jan 5, 2026
Jan 5, 2026
Jan 2, 2026
Dec 18, 2025
(Electronic) Receipt
Appeal
Dec 18, 2025
Dec 18, 2025
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Dec 18, 2025
Dec 17, 2025
Dec 17, 2025
Dec 16, 2025
(Electronic) Receipt
Appeal
Dec 16, 2025
Dec 15, 2025
(Electronic) Receipt
Appeal
Dec 15, 2025
(Electronic) Receipt
Appeal
Dec 15, 2025
Dec 15, 2025
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Dec 15, 2025
Dec 15, 2025
Dec 12, 2025
Dec 8, 2025
(Electronic) Receipt
Appeal
Dec 8, 2025
Dec 8, 2025
Dec 8, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Apr 1, 2025
Aug 20, 2024
Aug 19, 2024
Aug 13, 2024
(Electronic) Receipt
Appeal
Aug 13, 2024
Aug 13, 2024
Jul 24, 2024
Jul 19, 2024
(Electronic) Receipt
Appeal
Jul 19, 2024
Jul 19, 2024
Reply to appeal
Appeal
Mar 21, 2024
Mar 18, 2024
(Electronic) Receipt
Appeal
Mar 18, 2024
Mar 18, 2024
Jan 19, 2024
Jan 19, 2024
Jan 16, 2024
(Electronic) Receipt
Appeal
Jan 16, 2024
Jan 16, 2024
Notice of appeal
Appeal
Nov 23, 2023
Nov 23, 2023
Nov 23, 2023
Nov 17, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
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Nov 16, 2023
Means of redress
OPPO
Nov 16, 2023
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Nov 7, 2023
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Jun 29, 2022
Oct 12, 2021
Sep 2, 2021
Decision to grant a European patent
Search/Exam
Aug 23, 2021
(Electronic) Receipt
Search/Exam
Aug 23, 2021
Filing of the translations of the claims
Search/Exam
Aug 23, 2021
Letter accompanying subsequently filed items
Search/Exam
Jun 16, 2021
Jun 16, 2021
Jun 16, 2021
Intention to grant (signatures)
Search/Exam
Jun 16, 2021
Text intended for grant (clean copy)
Search/Exam
Jun 16, 2021
Jun 8, 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 2, 2021
(Electronic) Receipt
Search/Exam
Jun 2, 2021
Jun 2, 2021
Amended description with annotations
Search/Exam
Jun 2, 2021
Annexes in respect of a client data request
Search/Exam
Jun 2, 2021
French translation of claims
Search/Exam
Jun 2, 2021
German translation of the claims
Search/Exam
Jun 2, 2021
Letter accompanying subsequently filed items
Search/Exam
Jun 2, 2021
Mar 22, 2021
Mar 22, 2021
Mar 22, 2021
Intention to grant (signatures)
Search/Exam
Mar 22, 2021
Text intended for grant (clean copy)
Search/Exam
Mar 22, 2021
Dec 9, 2020
(Electronic) Receipt
Search/Exam
Dec 9, 2020
Amended claims with annotations
Search/Exam
Dec 9, 2020
Claims
Search/Exam
Dec 9, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 9, 2020
Sep 11, 2020
Sep 7, 2020
(Electronic) Receipt
Search/Exam
Sep 7, 2020
Jun 12, 2020
Annex to the communication
Search/Exam
Jun 12, 2020
Communication from the Examining Division
Search/Exam
Jun 6, 2019
(Electronic) Receipt
Search/Exam
Jun 6, 2019
Amended claims with annotations
Search/Exam
Jun 6, 2019
Claims
Search/Exam
Jun 6, 2019
Claims
Search/Exam
Jun 6, 2019
Letter accompanying subsequently filed items
Search/Exam
Jun 6, 2019
Feb 15, 2019
Annex to the communication
Search/Exam
Feb 15, 2019
Communication from the Examining Division
Search/Exam
Jan 10, 2019
Examination started
Search/Exam
Dec 4, 2017
(Electronic) Receipt
Search/Exam
Dec 4, 2017
Dec 4, 2017
Amended claims with annotations
Search/Exam
Dec 4, 2017
Amendments received before examination
Search/Exam
Dec 4, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 12, 2017
May 10, 2017
Notification of forthcoming publication
Search/Exam
Jun 7, 2016
Jun 7, 2016
European search opinion
Search/Exam
Jun 7, 2016
European search report
Search/Exam
Jun 7, 2016
Information on Search Strategy
Search/Exam
May 26, 2016
Search started
Search/Exam
Jan 22, 2016
Communication to designated inventor
Search/Exam
Dec 1, 2015
Abstract
Search/Exam
Dec 1, 2015
Dec 1, 2015
Claims
Search/Exam
Dec 1, 2015
Description
Search/Exam
Dec 1, 2015
Designation of inventor
Search/Exam
Dec 1, 2015
Drawings
Search/Exam
Dec 1, 2015
Request for grant of a European patent
Search/Exam