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The patent EP3410744 was granted to Oticon on Sep 23, 2020. The application was filed on Jul 4, 2016 under application number EP18177242A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| GN HEARING | Jun 23, 2021 | GN STORE NORD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP2584794 |
| OPPOSITION | WO2006105664 |
| OPPOSITION | WO2007063139 |
| OPPOSITION | WO2008089784 |
| OPPOSITION | WO2009153718 |
| OPPOSITION | WO2010022456 |
| OPPOSITION | WO2014048492 |
| SEARCH | EP3116239 |
| SEARCH | US2010172506 |
| SEARCH | WO2010022456 |
| SEARCH | WO2014048492 |
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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May 21, 2025
Refund of fees
Appeal
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 6, 2025
May 5, 2025
(Electronic) Receipt
Appeal
May 5, 2025
May 5, 2025
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Apr 10, 2025
(Electronic) Receipt
Appeal
Apr 10, 2025
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Apr 4, 2025
Apr 1, 2025
(Electronic) Receipt
Appeal
Apr 1, 2025
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Apr 1, 2025
Jul 9, 2024
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Jul 4, 2024
Jul 1, 2024
(Electronic) Receipt
Appeal
Jul 1, 2024
Jul 1, 2024
Jun 18, 2024
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Jun 13, 2024
Aug 1, 2023
Jul 26, 2023
(Electronic) Receipt
Appeal
Jul 26, 2023
Jul 26, 2023
Reply to appeal
Appeal
Mar 16, 2023
Mar 13, 2023
(Electronic) Receipt
Appeal
Mar 13, 2023
Mar 13, 2023
Jan 17, 2023
Jan 17, 2023
Jan 12, 2023
(Electronic) Receipt
Appeal
Jan 12, 2023
Jan 12, 2023
Notice of appeal
Appeal
Dec 20, 2022
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Means of redress
OPPO
Nov 3, 2022
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Oct 5, 2020
Aug 27, 2020
Decision to grant a European patent
Search/Exam
Aug 12, 2020
(Electronic) Receipt
Search/Exam
Aug 12, 2020
Filing of the translations of the claims
Search/Exam
Aug 12, 2020
French translation of claims
Search/Exam
Aug 12, 2020
German translation of the claims
Search/Exam
Aug 12, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 14, 2020
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Apr 14, 2020
Intention to grant (signatures)
Search/Exam
Apr 14, 2020
Text intended for grant (clean copy)
Search/Exam
Apr 14, 2020
Jan 24, 2020
Document concerning representation
Search/Exam
Jun 3, 2019
(Electronic) Receipt
Search/Exam
Jun 3, 2019
Jun 3, 2019
Amended claims with annotations
Search/Exam
Jun 3, 2019
Jun 3, 2019
Amended description with annotations
Search/Exam
Jun 3, 2019
Amendments received before examination
Search/Exam
Jun 3, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 10, 2018
Nov 7, 2018
Notification of forthcoming publication
Search/Exam
Oct 24, 2018
Refund of fees
Search/Exam
Oct 8, 2018
Oct 8, 2018
European search opinion
Search/Exam
Oct 8, 2018
European search report
Search/Exam
Oct 8, 2018
Information on Search Strategy
Search/Exam
Sep 21, 2018
Search started
Search/Exam
Aug 3, 2018
Communication to designated inventor
Search/Exam
Aug 3, 2018
Communication to designated inventor
Search/Exam
Jul 26, 2018
Priority search results copy provided by EPO
Search/Exam
Jun 20, 2018
Jun 12, 2018
Abstract
Search/Exam
Jun 12, 2018
Jun 12, 2018
Claims
Search/Exam
Jun 12, 2018
Description
Search/Exam
Jun 12, 2018
Designation of inventor
Search/Exam
Jun 12, 2018
Drawings
Search/Exam
Jun 12, 2018
Previously filed application
Search/Exam
Jun 12, 2018
Request for grant of a European patent
Search/Exam
Sep 6, 2016