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The patent EP2908550 was granted to Oticon on Jul 25, 2018. The application was filed on Feb 10, 2015 under application number EP15154417A. 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 |
|---|---|---|---|
| SIVANTOS PTE | Apr 25, 2019 | FDST PATENTANWALTE | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1530402 |
| DESCRIPTION | US6330339 |
| OPPOSITION | DE10148006 |
| OPPOSITION | DE102006028682 |
| OPPOSITION | EP1530402 |
| OPPOSITION | EP1956867 |
| OPPOSITION | EP2519033 |
| OPPOSITION | US2007009122 |
| OPPOSITION | US2013148829 |
| OPPOSITION | US2013223660 |
| OPPOSITION | US2013343584 |
| OPPOSITION | US2014205122 |
| OPPOSITION | US2014321682 |
| OPPOSITION | US2015010177 |
| OPPOSITION | US6330339 |
| OPPOSITION | WO02098169 |
| OPPOSITION | WO2006063624 |
| OPPOSITION | WO2009049646 |
| OPPOSITION | WO9854928 |
| SEARCH | US2013223660 |
| SEARCH | US2013343584 |
| SEARCH | WO2009049646 |
| SEARCH | WO9854928 |
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.
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Appeal
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Refund of fees
Search/Exam
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(Electronic) Receipt
Appeal
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Decision to grant a European patent
Search/Exam
Jun 13, 2018
(Electronic) Receipt
Search/Exam
Jun 13, 2018
Filing of the translations of the claims
Search/Exam
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French translation of claims
Search/Exam
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German translation of the claims
Search/Exam
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Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
Feb 16, 2018
Text intended for grant (clean copy)
Search/Exam
Feb 16, 2018
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Examination started
Search/Exam
Feb 18, 2016
(Electronic) Receipt
Search/Exam
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Amended claims with annotations
Search/Exam
Feb 18, 2016
Amendments received before examination
Search/Exam
Feb 18, 2016
Letter accompanying subsequently filed items
Search/Exam
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Communication to designated inventor
Search/Exam
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Notification of forthcoming publication
Search/Exam
Jul 15, 2015
(Electronic) Receipt
Search/Exam
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Letter accompanying subsequently filed items
Search/Exam
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Letter concerning the inventor
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Refund of fees
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European search opinion
Search/Exam
Jun 26, 2015
European search report
Search/Exam
Jun 23, 2015
Priority search results copy provided by EPO
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Jun 15, 2015
Jun 10, 2015
Search started
Search/Exam
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Letter which had not been notified
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May 4, 2015
Communication to designated inventor
Search/Exam
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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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Communication to designated inventor
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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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Communication to designated inventor
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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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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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May 4, 2015
Communication to designated inventor
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Apr 21, 2015
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Abstract
Search/Exam
Feb 10, 2015
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Claims
Search/Exam
Feb 10, 2015
Description
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Feb 10, 2015
Designation of inventor
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Feb 10, 2015
Drawings
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Feb 10, 2015
Request for grant of a European patent
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