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The patent EP3278575 was granted to Sivantos PTE on Jun 2, 2021. The application was filed on Apr 1, 2016 under application number EP16716013A. 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 | Mar 2, 2022 | COHAUSZ & FLORACK | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP2161949 |
| EXAMINATION | JPH10294989 |
| INTERNATIONAL-SEARCH-REPORT | EP2840807 |
| INTERNATIONAL-SEARCH-REPORT | US2012020503 |
| INTERNATIONAL-SEARCH-REPORT | US2014050326 |
| INTERNATIONAL-SEARCH-REPORT | WO2007106399 |
| INTERNATIONAL-SEARCH-REPORT | WO2008098590 |
| OPPOSITION | EP2408222 |
| OPPOSITION | EP2840807 |
| OPPOSITION | EP2849462 |
| OPPOSITION | JPH10294989 |
| OPPOSITION | US2012020503 |
| OPPOSITION | US2014050326 |
| OPPOSITION | US7817808 |
| OPPOSITION | WO2007106399 |
| OPPOSITION | WO2008098590 |
| OPPOSITION | WO2009049645 |
| OPPOSITION | WO2011098142 |
| OPPOSITION | WO2014166525 |
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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Jun 15, 2021
May 7, 2021
Decision to grant a European patent
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Mar 3, 2021
(Electronic) Receipt
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Mar 3, 2021
Filing of the translations of the claims
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Mar 3, 2021
French translation of claims
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Mar 3, 2021
German translation of the claims
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Dec 7, 2020
Change to the inventor details
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Dec 2, 2020
Letter concerning the inventor
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Nov 20, 2020
Nov 20, 2020
Nov 20, 2020
Intention to grant (signatures)
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Nov 20, 2020
Text intended for grant (clean copy)
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Nov 20, 2020
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Amended description with annotations
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Sep 14, 2020
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Description
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Abstract
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Abstract
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Sep 11, 2020
Amended description with annotations
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Intention to grant (signatures)
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Jun 26, 2020
Text intended for grant (clean copy)
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Abstract
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Abstract
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Feb 5, 2020
Amended claims with annotations
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Feb 5, 2020
Amended description with annotations
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Feb 5, 2020
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Feb 5, 2020
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Intention to grant (signatures)
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Jan 10, 2020
Text intended for grant (clean copy)
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Jan 10, 2020
Apr 16, 2019
Amended claims with annotations
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Apr 16, 2019
Amended description with annotations
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Apr 16, 2019
Claims
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Annex to a communication
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Annex to the communication
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Feb 15, 2019
Communication from the Examining Division
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Jan 29, 2019
Jan 15, 2019
(Electronic) Receipt
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Jan 15, 2019
Enquiry as to the processing of the file
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Jan 15, 2019
Letter accompanying subsequently filed items
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Jul 31, 2018
Examination started
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Apr 5, 2018
Communication to designated inventor
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Mar 29, 2018
Letter concerning the inventor
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Letter which had not been notified
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Communication to designated inventor
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Amended claims with annotations
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Amended description with annotations
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Letter concerning the inventor
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Letter which had not been notified
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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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Payment of fees and costs
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Aug 22, 2017
Payment of fees and costs
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Aug 11, 2017
Information on entry into European phase
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Aug 9, 2017
(Electronic) Receipt
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Aug 9, 2017
Request for entry into the European phase
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Oct 6, 2016
Copy of the international search report
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Oct 6, 2016
Published international application - A1
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Jul 8, 2016
ISR: cited documents
PCTISA
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(Electronic) Receipt
PCTRO
Apr 1, 2016
Abstract
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Apr 1, 2016
Claims
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Apr 1, 2016
Description
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Apr 1, 2016
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Drawings
PCTRO
Apr 1, 2016