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The patent EP3179742 was granted to Bernafon on Jul 30, 2025. The application was filed on Aug 30, 2016 under application number EP16186299A. 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 |
|---|---|---|---|
| GN HEARING | Aug 20, 2020 | AERA | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP2723100 |
| OPPOSITION | EP2753102 |
| OPPOSITION | US2008112584 |
| OPPOSITION | US2015110328 |
| OPPOSITION | US7206428 |
| SEARCH | EP2753102 |
| SEARCH | US2015110328 |
| SEARCH | US2015201293 |
| SEARCH | US3048668 |
| SEARCH | US4854415 |
| SEARCH | WO2007038897 |
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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Refund of fees
Appeal
Feb 27, 2025
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(Electronic) Receipt
Appeal
Feb 21, 2025
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Withdrawal of an appeal
Appeal
May 3, 2024
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Feb 28, 2024
(Electronic) Receipt
Appeal
Feb 28, 2024
Feb 28, 2024
Mar 31, 2023
Mar 27, 2023
(Electronic) Receipt
Appeal
Mar 27, 2023
Mar 27, 2023
Reply to appeal
Appeal
Nov 16, 2022
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(Electronic) Receipt
Appeal
Nov 11, 2022
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(Electronic) Receipt
Appeal
Sep 12, 2022
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Notice of appeal
Appeal
Jul 8, 2022
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Document concerning representation
Search/Exam
Dec 2, 2019
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(Electronic) Receipt
Search/Exam
Oct 24, 2019
Annexes in respect of a client data request
Search/Exam
Oct 24, 2019
Decision to grant a European patent
Search/Exam
Oct 24, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 24, 2019
Oct 10, 2019
(Electronic) Receipt
Search/Exam
Oct 10, 2019
Filing of the translations of the claims
Search/Exam
Oct 10, 2019
French translation of claims
Search/Exam
Oct 10, 2019
German translation of the claims
Search/Exam
Oct 10, 2019
Letter accompanying subsequently filed items
Search/Exam
Jun 18, 2019
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Intention to grant (signatures)
Search/Exam
Jun 18, 2019
Text intended for grant (clean copy)
Search/Exam
Jun 18, 2019
Mar 8, 2019
(Electronic) Receipt
Search/Exam
Mar 8, 2019
Abstract
Search/Exam
Mar 8, 2019
Abstract
Search/Exam
Mar 8, 2019
Amended claims with annotations
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Mar 8, 2019
Amended description with annotations
Search/Exam
Mar 8, 2019
Amended drawings with annotations
Search/Exam
Mar 8, 2019
Claims
Search/Exam
Mar 8, 2019
Description
Search/Exam
Mar 8, 2019
Drawings
Search/Exam
Mar 8, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 8, 2019
Nov 9, 2018
Annex to the communication
Search/Exam
Nov 9, 2018
Communication from the Examining Division
Search/Exam
Oct 22, 2018
Examination started
Search/Exam
Feb 16, 2018
(Electronic) Receipt
Search/Exam
Feb 16, 2018
Feb 16, 2018
Amended claims with annotations
Search/Exam
Feb 16, 2018
Feb 16, 2018
Amended description with annotations
Search/Exam
Feb 16, 2018
Amendments received before examination
Search/Exam
Feb 16, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 3, 2017
Refund of fees
Search/Exam
Sep 4, 2017
Jul 28, 2017
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European search opinion
Search/Exam
Jul 28, 2017
European search report
Search/Exam
Jul 28, 2017
Information on Search Strategy
Search/Exam
Jul 25, 2017
Priority search results copy provided by EPO
Search/Exam
Jun 21, 2017
(Electronic) Receipt
Search/Exam
Jun 21, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 21, 2017
Letter concerning search matters
Search/Exam
May 17, 2017
Notification of forthcoming publication
Search/Exam
Apr 21, 2017
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Information on Search Strategy
Search/Exam
Apr 21, 2017
Partial European search report
Search/Exam
Feb 6, 2017
Payment of fees and costs
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Dec 19, 2016
Dec 12, 2016
Letter which had not been notified
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Nov 23, 2016
Communication to designated inventor
Search/Exam
Nov 23, 2016
Communication to designated inventor
Search/Exam
Nov 23, 2016
Communication to designated inventor
Search/Exam
Nov 23, 2016
Communication to designated inventor
Search/Exam
Nov 23, 2016
Communication to designated inventor
Search/Exam
Nov 23, 2016
Communication to designated inventor
Search/Exam
Nov 23, 2016
Communication to designated inventor
Search/Exam
Nov 23, 2016
Communication to designated inventor
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Nov 23, 2016
Communication to designated inventor
Search/Exam
Nov 23, 2016
Communication to designated inventor
Search/Exam
Nov 23, 2016
Communication to designated inventor
Search/Exam
Nov 23, 2016
Communication to designated inventor
Search/Exam
Nov 4, 2016
Nov 1, 2016
Aug 30, 2016
Abstract
Search/Exam
Aug 30, 2016
Aug 30, 2016
Claims
Search/Exam
Aug 30, 2016
Description
Search/Exam
Aug 30, 2016
Designation of inventor
Search/Exam
Aug 30, 2016
Drawings
Search/Exam
Aug 30, 2016
Request for grant of a European patent
Search/Exam