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The patent EP2871862 was granted to GN Hearing on May 4, 2022. The application was filed on Nov 11, 2013 under application number EP13192322A. 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 | Feb 6, 2023 | COHAUSZ & FLORACK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP2200120 |
| OPPOSITION | EP2458675 |
| OPPOSITION | US2004246179 |
| OPPOSITION | US2005068234 |
| OPPOSITION | US2006181466 |
| OPPOSITION | US7446708 |
| SEARCH | EP2200120 |
| SEARCH | US2004246179 |
| SEARCH | US2005068234 |
| SEARCH | US2006181466 |
| SEARCH | US7446708 |
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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Sep 23, 2025
Sep 16, 2025
(Electronic) Receipt
Appeal
Sep 16, 2025
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(Electronic) Receipt
Appeal
Jul 11, 2025
(Electronic) Receipt
Appeal
Jul 11, 2025
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Reply to appeal
Appeal
Jul 11, 2025
Reply to appeal
Appeal
Mar 11, 2025
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Mar 5, 2025
(Electronic) Receipt
Appeal
Mar 5, 2025
(Electronic) Receipt
Appeal
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Claims
Appeal
Mar 5, 2025
Claims
Appeal
Mar 5, 2025
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Appeal
Mar 5, 2025
Claims
Appeal
Mar 5, 2025
Claims
Appeal
Mar 5, 2025
Claims
Appeal
Mar 5, 2025
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Jan 3, 2025
(Electronic) Receipt
Appeal
Jan 3, 2025
(Electronic) Receipt
Appeal
Jan 3, 2025
Notice of appeal
Appeal
Jan 3, 2025
Notice of appeal
Appeal
Jan 3, 2025
Notice of appeal
Appeal
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Means of redress
OPPO
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Decision to grant a European patent
Search/Exam
Mar 31, 2022
Mar 25, 2022
(Electronic) Receipt
Search/Exam
Mar 25, 2022
Filing of the translations of the claims
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Mar 25, 2022
French translation of claims
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Mar 25, 2022
German translation of the claims
Search/Exam
Mar 25, 2022
Letter accompanying subsequently filed items
Search/Exam
Mar 25, 2022
Dec 3, 2021
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Dec 3, 2021
Intention to grant (signatures)
Search/Exam
Dec 3, 2021
Text intended for grant (clean copy)
Search/Exam
Dec 3, 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
Feb 10, 2021
(Electronic) Receipt
Search/Exam
Feb 10, 2021
Amended claims with annotations
Search/Exam
Feb 10, 2021
Claims
Search/Exam
Feb 10, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 10, 2021
Nov 3, 2020
Oct 29, 2020
(Electronic) Receipt
Search/Exam
Oct 29, 2020
Jul 31, 2020
Annex to the communication
Search/Exam
Jul 31, 2020
Communication from the Examining Division
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Oct 24, 2018
(Electronic) Receipt
Search/Exam
Oct 24, 2018
Amended claims with annotations
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Oct 24, 2018
Claims
Search/Exam
Oct 24, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 24, 2018
Jun 14, 2018
Annex to the communication
Search/Exam
Jun 14, 2018
Communication from the Examining Division
Search/Exam
Dec 5, 2016
Nov 30, 2016
Oct 27, 2015
(Electronic) Receipt
Search/Exam
Oct 27, 2015
Letter accompanying subsequently filed items
Search/Exam
May 19, 2015
Apr 15, 2015
Notification of forthcoming publication
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Feb 3, 2015
(Electronic) Receipt
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Feb 3, 2015
Amended claims with annotations
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Feb 3, 2015
Claims
Search/Exam
Feb 3, 2015
Letter accompanying subsequently filed items
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Feb 3, 2015
Dec 5, 2014
Dec 2, 2014
(Electronic) Receipt
Search/Exam
Dec 2, 2014
Nov 17, 2014
Nov 11, 2014
Submission concerning representation
Search/Exam
Jul 24, 2014
Annex to the communication
Search/Exam
Jul 24, 2014
Communication from the Examining Division
Search/Exam
May 14, 2014
May 14, 2014
European search report
Search/Exam
Apr 28, 2014
Search started
Search/Exam
Feb 3, 2014
Communication to designated inventor
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Feb 3, 2014
Communication to designated inventor
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Dec 13, 2013
Refund order of filing/examination fee
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Nov 11, 2013
Abstract
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Nov 11, 2013
Nov 11, 2013
Claims
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Nov 11, 2013
Description
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Nov 11, 2013
Designation of inventor
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Nov 11, 2013
Designation of inventor
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Nov 11, 2013
Drawings
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Nov 11, 2013
Request for grant of a European patent
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