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The patent EP3437330 was granted to Widex on Jun 9, 2021. The application was filed on Apr 1, 2016 under application number EP16713458A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| GN HEARING | Mar 9, 2022 | ZACCO DENMARK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US7088839 |
| INTERNATIONAL-SEARCH-REPORT | DE102011007848 |
| INTERNATIONAL-SEARCH-REPORT | EP2753102 |
| INTERNATIONAL-SEARCH-REPORT | US2006291681 |
| INTERNATIONAL-SEARCH-REPORT | US2009310807 |
| OPPOSITION | EP2559264 |
| OPPOSITION | EP2750413 |
| OPPOSITION | US2008112584 |
| OPPOSITION | US2009074220 |
| OPPOSITION | US2012083860 |
| OPPOSITION | US2013163791 |
| OPPOSITION | US2014305735 |
| OPPOSITION | US3030455 |
| OPPOSITION | US3197576 |
| OPPOSITION | US4706778 |
| OPPOSITION | US8983096 |
| OPPOSITION | WO2004049757 |
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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Decision to grant a European patent
Search/Exam
Mar 18, 2021
(Electronic) Receipt
Search/Exam
Mar 18, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 18, 2021
Letter concerning fees and payments
Search/Exam
Mar 11, 2021
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(Electronic) Receipt
Search/Exam
Mar 4, 2021
Filing of the translations of the claims
Search/Exam
Mar 4, 2021
French translation of claims
Search/Exam
Mar 4, 2021
German translation of the claims
Search/Exam
Mar 4, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 8, 2021
Intention to grant (signatures)
Search/Exam
Feb 4, 2021
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Text intended for grant (clean copy)
Search/Exam
Feb 4, 2021
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(Electronic) Receipt
Search/Exam
Aug 20, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 20, 2020
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(Electronic) Receipt
Search/Exam
Jun 11, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 11, 2020
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Annex to the communication
Search/Exam
Feb 11, 2020
Communication from the Examining Division
Search/Exam
Feb 5, 2020
Examination started
Search/Exam
May 27, 2019
(Electronic) Receipt
Search/Exam
May 27, 2019
Letter accompanying subsequently filed items
Search/Exam
May 27, 2019
Reply to Written Opinion prepared by the EPO
Search/Exam
Jan 9, 2019
Nov 15, 2018
Nov 13, 2018
Communication to designated inventor
Search/Exam
Nov 13, 2018
Communication to designated inventor
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
Oct 16, 2018
Sep 5, 2018
(Electronic) Receipt
Search/Exam
Sep 5, 2018
Request for entry into the European phase
Search/Exam
Aug 10, 2018
Information on entry into European phase
Search/Exam
Oct 5, 2017
Copy of the international search report
Search/Exam
Oct 5, 2017
Published international application - A1
Search/Exam
Dec 6, 2016
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Apr 1, 2016
(Electronic) Receipt
PCTRO
Apr 1, 2016
Abstract
PCTRO
Apr 1, 2016
Claims
PCTRO
Apr 1, 2016
Description
PCTRO
Apr 1, 2016
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Drawings
PCTRO
Apr 1, 2016