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The patent EP3188508 was granted to GN Advanced Hearing Protection on Jan 10, 2024. The application was filed on Dec 22, 2016 under application number EP16206243A. 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 |
|---|---|---|---|
| OTICON | Dec 11, 2020 | COHAUSZ & FLORACK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | US6757395 |
| EXAMINATION | WO2010133246 |
| OPPOSITION | EP1519625 |
| OPPOSITION | EP2882204 |
| OPPOSITION | JP2012208177 |
| OPPOSITION | US2009016541 |
| OPPOSITION | US2009034765 |
| OPPOSITION | US2009147966 |
| OPPOSITION | US2009264161 |
| OPPOSITION | US2011019838 |
| OPPOSITION | US2011243358 |
| OPPOSITION | US2011286608 |
| OPPOSITION | US2013188816 |
| OPPOSITION | US2014363020 |
| OPPOSITION | US2015256949 |
| OPPOSITION | US2015304782 |
| OPPOSITION | US6757395 |
| OPPOSITION | WO0021194 |
| OPPOSITION | WO2007073818 |
| OPPOSITION | WO2007082579 |
| OPPOSITION | WO2008061260 |
| OPPOSITION | WO2010133246 |
| OPPOSITION | WO2014194932 |
| SEARCH | US2009034765 |
| SEARCH | US2009147966 |
| SEARCH | US2009264161 |
| SEARCH | WO2008061260 |
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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Appeal
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Appeal
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Annexes in respect of a client data request
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Letter accompanying subsequently filed items
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Decision to grant a European patent
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Filing of the translations of the claims
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French translation of claims
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German translation of the claims
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Letter accompanying subsequently filed items
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Text intended for grant (clean copy)
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Advice of delivery
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Consultation by telephone/in person
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Letter dealing with oral proceedings
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Description
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Annex to the communication
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Communication from the Examining Division
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Jun 27, 2018
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Annex to the communication
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Communication from the Examining Division
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Annexes in respect of a client data request
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Oct 23, 2017
Letter concerning the inventor
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Letter concerning the inventor
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Notification of forthcoming publication
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European search opinion
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European search report
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Information on Search Strategy
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May 4, 2017
Priority search results copy provided by EPO
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Letter accompanying subsequently filed items
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Dec 22, 2016
Abstract
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Dec 22, 2016
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Claims
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Dec 22, 2016
Description
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Dec 22, 2016
Designation of inventor
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Dec 22, 2016
Drawings
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Dec 22, 2016
Request for grant of a European patent
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