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The patent EP3145219 was granted to Oticon on Jun 16, 2021. The application was filed on Sep 21, 2016 under application number EP16189838A. 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 |
|---|---|---|---|
| GN HEARING | Mar 16, 2022 | AERA | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | US2001043709 |
| OPPOSITION | US2006185969 |
| OPPOSITION | US2007019834 |
| OPPOSITION | US4890329 |
| OPPOSITION | US6733319 |
| OPPOSITION | WO2010107389 |
| SEARCH | US2008232626 |
| SEARCH | US5201008 |
| SEARCH | US5967837 |
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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Nov 24, 2025
Nov 24, 2025
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(Electronic) Receipt
Appeal
Oct 28, 2025
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(Electronic) Receipt
Appeal
Sep 23, 2025
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Sep 8, 2025
Sep 2, 2025
(Electronic) Receipt
Appeal
Sep 2, 2025
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(Electronic) Receipt
Appeal
Jan 30, 2025
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Jan 21, 2025
Feb 28, 2024
Feb 22, 2024
(Electronic) Receipt
Appeal
Feb 22, 2024
Feb 22, 2024
Reply to appeal
Appeal
Oct 12, 2023
Oct 9, 2023
(Electronic) Receipt
Appeal
Oct 9, 2023
Oct 9, 2023
Jul 31, 2023
Jul 31, 2023
Jul 26, 2023
(Electronic) Receipt
Appeal
Jul 26, 2023
Jul 26, 2023
Notice of appeal
Appeal
May 31, 2023
May 30, 2023
May 30, 2023
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May 30, 2023
Means of redress
OPPO
May 30, 2023
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Jun 29, 2021
May 20, 2021
Decision to grant a European patent
Search/Exam
May 6, 2021
(Electronic) Receipt
Search/Exam
May 6, 2021
Filing of the translations of the claims
Search/Exam
May 6, 2021
French translation of claims
Search/Exam
May 6, 2021
German translation of the claims
Search/Exam
May 6, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 12, 2021
Jan 12, 2021
Jan 12, 2021
Jan 12, 2021
Intention to grant (signatures)
Search/Exam
Jan 12, 2021
Text intended for grant (clean copy)
Search/Exam
Jan 12, 2021
Mar 27, 2020
(Electronic) Receipt
Search/Exam
Mar 27, 2020
Abstract
Search/Exam
Mar 27, 2020
Amended claims with annotations
Search/Exam
Mar 27, 2020
Amended claims with annotations
Search/Exam
Mar 27, 2020
Claims
Search/Exam
Mar 27, 2020
Claims
Search/Exam
Mar 27, 2020
Drawings
Search/Exam
Mar 27, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 27, 2020
Jan 24, 2020
Document concerning representation
Search/Exam
Nov 19, 2019
Annex to the communication
Search/Exam
Nov 19, 2019
Communication from the Examining Division
Search/Exam
Aug 8, 2019
(Electronic) Receipt
Search/Exam
Aug 8, 2019
Amended claims with annotations
Search/Exam
Aug 8, 2019
Claims
Search/Exam
Aug 8, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 8, 2019
Jun 17, 2019
Jun 7, 2019
(Electronic) Receipt
Search/Exam
Jun 7, 2019
Jan 31, 2019
Annex to the communication
Search/Exam
Jan 31, 2019
Communication from the Examining Division
Search/Exam
Sep 26, 2018
(Electronic) Receipt
Search/Exam
Sep 26, 2018
Amended claims with annotations
Search/Exam
Sep 26, 2018
Claims
Search/Exam
Sep 26, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 26, 2018
Jul 30, 2018
Jul 20, 2018
(Electronic) Receipt
Search/Exam
Jul 20, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 20, 2018
Annex to the communication
Search/Exam
Mar 20, 2018
Communication from the Examining Division
Search/Exam
Mar 13, 2018
Examination started
Search/Exam
Sep 22, 2017
(Electronic) Receipt
Search/Exam
Sep 22, 2017
Sep 22, 2017
Amended claims with annotations
Search/Exam
Sep 22, 2017
Sep 22, 2017
Amended description with annotations
Search/Exam
Sep 22, 2017
Amendments received before examination
Search/Exam
Sep 22, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 27, 2017
Feb 22, 2017
Notification of forthcoming publication
Search/Exam
Feb 16, 2017
Feb 16, 2017
European search opinion
Search/Exam
Feb 16, 2017
European search report
Search/Exam
Feb 16, 2017
Information on Search Strategy
Search/Exam
Feb 6, 2017
Search started
Search/Exam
Dec 19, 2016
Priority search results copy provided by EPO
Search/Exam
Dec 14, 2016
Communication to designated inventor
Search/Exam
Dec 14, 2016
Communication to designated inventor
Search/Exam
Dec 14, 2016
Communication to designated inventor
Search/Exam
Dec 14, 2016
Communication to designated inventor
Search/Exam
Dec 14, 2016
Communication to designated inventor
Search/Exam
Dec 14, 2016
Communication to designated inventor
Search/Exam
Dec 14, 2016
Communication to designated inventor
Search/Exam
Dec 9, 2016
(Electronic) Receipt
Search/Exam
Dec 9, 2016
Dec 9, 2016
Letter accompanying subsequently filed items
Search/Exam
Dec 9, 2016
Nov 25, 2016
Nov 22, 2016
Oct 10, 2016
Sep 21, 2016
Abstract
Search/Exam
Sep 21, 2016
Sep 21, 2016
Claims
Search/Exam
Sep 21, 2016
Description
Search/Exam
Sep 21, 2016
Designation of inventor
Search/Exam
Sep 21, 2016
Drawings
Search/Exam
Sep 21, 2016
Request for grant of a European patent
Search/Exam