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The patent EP3163911 was granted to Sivantos PTE on Aug 1, 2018. The application was filed on Sep 29, 2016 under application number EP16191539A. 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 |
|---|---|---|---|
| OTICON GN HEARING | Apr 30, 2019 | COHAUSZ & FLORACK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP2200342 |
| OPPOSITION | EP2736273 |
| OPPOSITION | US2012209101 |
| OPPOSITION | US2012238856 |
| OPPOSITION | US2012284022 |
| OPPOSITION | US2013343585 |
| OPPOSITION | US4689820 |
| OPPOSITION | US6240192 |
| OPPOSITION | US6253871 |
| OPPOSITION | US6330339 |
| OPPOSITION | US7209775 |
| SEARCH | EP2200342 |
| SEARCH | EP2736273 |
| SEARCH | US2013343585 |
| SEARCH | US6330339 |
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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Jan 2, 2024
Jan 2, 2024
Claims
Appeal
Jan 2, 2024
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Nov 17, 2023
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(Electronic) Receipt
Appeal
Nov 14, 2023
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Claims
Appeal
Nov 14, 2023
Claims
Appeal
Nov 14, 2023
Nov 14, 2023
Nov 10, 2023
(Electronic) Receipt
Appeal
Nov 10, 2023
Nov 10, 2023
Dec 15, 2022
Advice of delivery
Appeal
Dec 7, 2022
Dec 7, 2022
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Dec 2, 2022
Nov 3, 2021
Oct 28, 2021
(Electronic) Receipt
Appeal
Oct 28, 2021
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Reply to appeal
Appeal
Jun 25, 2021
Jun 21, 2021
(Electronic) Receipt
Appeal
Jun 21, 2021
Jun 21, 2021
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Apr 29, 2021
Apr 29, 2021
Apr 19, 2021
(Electronic) Receipt
Appeal
Apr 19, 2021
Apr 19, 2021
Notice of appeal
Appeal
Apr 13, 2021
Apr 7, 2021
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Mar 26, 2021
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Means of redress
OPPO
Feb 9, 2021
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Sep 9, 2019
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Claims
OPPO
Sep 3, 2019
Claims
OPPO
Sep 3, 2019
Claims
OPPO
Sep 3, 2019
Claims
OPPO
Sep 3, 2019
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May 15, 2019
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Aug 13, 2018
Jul 5, 2018
Decision to grant a European patent
Search/Exam
Jun 20, 2018
(Electronic) Receipt
Search/Exam
Jun 20, 2018
English translation of the claims
Search/Exam
Jun 20, 2018
French translation of claims
Search/Exam
Jun 20, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 9, 2018
Apr 9, 2018
Apr 9, 2018
Intention to grant (signatures)
Search/Exam
Apr 9, 2018
Text intended for grant (clean copy)
Search/Exam
Apr 9, 2018
Mar 6, 2018
Examination started
Search/Exam
Jan 18, 2018
Jan 16, 2018
Jan 15, 2018
Jul 17, 2017
Jul 17, 2017
Amended claims with annotations
Search/Exam
Jul 17, 2017
Jul 17, 2017
Amended description with annotations
Search/Exam
Jul 17, 2017
Amendments received before examination
Search/Exam
Jul 14, 2017
Payment of fees and costs
Search/Exam
Jul 14, 2017
Payment of fees and costs
Search/Exam
May 9, 2017
Apr 5, 2017
Notification of forthcoming publication
Search/Exam
Mar 20, 2017
Mar 20, 2017
European search opinion
Search/Exam
Mar 20, 2017
European search report
Search/Exam
Mar 20, 2017
Information on Search Strategy
Search/Exam
Mar 6, 2017
Search started
Search/Exam
Dec 16, 2016
Payment of fees and costs
Search/Exam
Dec 16, 2016
Payment of fees and costs
Search/Exam
Dec 16, 2016
Payment of fees and costs
Search/Exam
Dec 6, 2016
Invitation to pay claims fees
Search/Exam
Dec 2, 2016
Communication to designated inventor
Search/Exam
Oct 13, 2016
Letter concerning the priority
Search/Exam
Oct 13, 2016
Priority document
Search/Exam
Oct 10, 2016
Payment of fees and costs
Search/Exam
Oct 10, 2016
Payment of fees and costs
Search/Exam
Sep 29, 2016
Abstract
Search/Exam
Sep 29, 2016
Sep 29, 2016
Claims
Search/Exam
Sep 29, 2016
Description
Search/Exam
Sep 29, 2016
Designation of inventor
Search/Exam
Sep 29, 2016
Drawings
Search/Exam
Sep 29, 2016
Priority search results
Search/Exam
Sep 29, 2016
Request for grant of a European patent
Search/Exam