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The patent EP2898704 was granted to Phonak on Nov 8, 2017. The application was filed on Sep 18, 2012 under application number EP12761978A. 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 WIDEX GN HEARING | Aug 8, 2018 | COHAUSZ & FLORACK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US7092543 |
| EXAMINATION | WO0053094 |
| INTERNATIONAL-SEARCH-REPORT | EP0026247 |
| INTERNATIONAL-SEARCH-REPORT | US2004252854 |
| INTERNATIONAL-SEARCH-REPORT | WO0203757 |
| INTERNATIONAL-SEARCH-REPORT | WO2009138895 |
| OPPOSITION | US2002032362 |
| OPPOSITION | US2005190938 |
| OPPOSITION | US2007177749 |
| OPPOSITION | US4962537 |
| OPPOSITION | US5321757 |
| OPPOSITION | US5530763 |
| OPPOSITION | US5881159 |
| OPPOSITION | US6052473 |
| OPPOSITION | US6567527 |
| OPPOSITION | WO0203757 |
| OPPOSITION | WO2009138895 |
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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Apr 14, 2023
Apr 13, 2023
(Electronic) Receipt
Appeal
Apr 13, 2023
Advice of delivery
Appeal
Apr 13, 2023
Apr 4, 2023
Apr 4, 2023
Apr 4, 2023
Mar 22, 2023
Claims
Appeal
Mar 22, 2023
Claims
Appeal
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Mar 17, 2023
Mar 14, 2023
(Electronic) Receipt
Appeal
Mar 14, 2023
Feb 27, 2023
Feb 21, 2023
(Electronic) Receipt
Appeal
Feb 21, 2023
Feb 21, 2023
Feb 21, 2023
Feb 16, 2023
Feb 16, 2023
Feb 16, 2023
Feb 15, 2023
Feb 13, 2023
(Electronic) Receipt
Appeal
Feb 13, 2023
Feb 13, 2023
Feb 13, 2023
Feb 13, 2023
Feb 10, 2023
(Electronic) Receipt
Appeal
Feb 10, 2023
Feb 10, 2023
Oct 24, 2022
(Electronic) Receipt
Appeal
Oct 24, 2022
Advice of delivery
Appeal
Oct 24, 2022
Oct 14, 2022
Oct 14, 2022
Oct 14, 2022
Oct 11, 2022
May 19, 2021
May 14, 2021
(Electronic) Receipt
Appeal
May 14, 2021
May 14, 2021
Reply to appeal
Appeal
Apr 27, 2021
(Electronic) Receipt
Appeal
Apr 27, 2021
Apr 27, 2021
Jan 20, 2021
Jan 11, 2021
(Electronic) Receipt
Appeal
Jan 11, 2021
Jan 11, 2021
Jan 11, 2021
Jan 11, 2021
Jan 11, 2021
Nov 5, 2020
Oct 26, 2020
(Electronic) Receipt
Appeal
Oct 26, 2020
Oct 26, 2020
Notice of appeal
Appeal
Sep 7, 2020
Aug 24, 2020
Aug 17, 2020
Aug 17, 2020
Aug 17, 2020
Aug 17, 2020
Aug 17, 2020
Aug 17, 2020
Aug 17, 2020
Aug 17, 2020
Aug 17, 2020
Means of redress
OPPO
Aug 17, 2020
Aug 17, 2020
Aug 17, 2020
Jul 24, 2020
Jul 20, 2020
Jul 20, 2020
Jul 20, 2020
Jul 9, 2020
Jun 5, 2020
Description
OPPO
Jun 5, 2020
Jun 2, 2020
May 28, 2020
May 28, 2020
May 26, 2020
May 26, 2020
May 26, 2020
May 25, 2020
May 25, 2020
May 25, 2020
May 19, 2020
May 19, 2020
May 19, 2020
May 15, 2020
May 8, 2020
May 8, 2020
May 8, 2020
May 8, 2020
May 8, 2020
May 8, 2020
May 8, 2020
Apr 14, 2020
Apr 14, 2020
Apr 14, 2020
Apr 3, 2020
Apr 3, 2020
Apr 3, 2020
Apr 3, 2020
Apr 3, 2020
Apr 3, 2020
Apr 3, 2020
Apr 3, 2020
Apr 3, 2020
Apr 3, 2020
Apr 3, 2020
Apr 3, 2020
Dec 23, 2019
Dec 23, 2019
Annex
OPPO
Dec 17, 2019
Nov 11, 2019
Nov 11, 2019
Nov 11, 2019
Nov 8, 2019
Nov 8, 2019
Nov 8, 2019
Nov 8, 2019
Nov 8, 2019
Nov 8, 2019
Dec 21, 2018
Dec 18, 2018
Dec 18, 2018
Dec 18, 2018
Aug 23, 2018
Aug 23, 2018
Aug 16, 2018
Aug 8, 2018
Aug 8, 2018
Aug 8, 2018
Aug 8, 2018
Aug 8, 2018
Aug 8, 2018
Aug 8, 2018
Aug 8, 2018
Aug 8, 2018
Aug 8, 2018
Aug 8, 2018
Aug 8, 2018
Aug 8, 2018
Aug 8, 2018
Nov 15, 2017
Oct 12, 2017
Decision to grant a European patent
Search/Exam
Aug 21, 2017
(Electronic) Receipt
Search/Exam
Aug 21, 2017
Filing of the translations of the claims
Search/Exam
Aug 21, 2017
French translation of claims
Search/Exam
Aug 21, 2017
German translation of the claims
Search/Exam
Aug 21, 2017
Letter accompanying subsequently filed items
Search/Exam
May 19, 2017
May 19, 2017
May 19, 2017
Intention to grant (signatures)
Search/Exam
May 19, 2017
Text intended for grant (clean copy)
Search/Exam
May 19, 2017
Feb 24, 2017
(Electronic) Receipt
Search/Exam
Feb 24, 2017
Letter accompanying subsequently filed items
Search/Exam
Feb 24, 2017
Jan 5, 2017
Dec 29, 2016
(Electronic) Receipt
Search/Exam
Dec 29, 2016
Letter accompanying subsequently filed items
Search/Exam
Dec 29, 2016
Aug 31, 2016
Annex to the communication
Search/Exam
Aug 31, 2016
Communication from the Examining Division
Search/Exam
May 3, 2016
(Electronic) Receipt
Search/Exam
May 3, 2016
Amended claims with annotations
Search/Exam
May 3, 2016
Claims
Search/Exam
May 3, 2016
Letter accompanying subsequently filed items
Search/Exam
May 3, 2016
Feb 11, 2016
Annex to the communication
Search/Exam
Feb 11, 2016
Communication from the Examining Division
Search/Exam
Jan 29, 2016
Examination started
Search/Exam
Oct 30, 2015
Aug 21, 2015
Annexes in respect of a client data request
Search/Exam
Aug 21, 2015
Aug 19, 2015
(Electronic) Receipt
Search/Exam
Aug 19, 2015
Aug 19, 2015
Amended claims with annotations
Search/Exam
Aug 19, 2015
Amendments received before examination
Search/Exam
Aug 19, 2015
Letter accompanying subsequently filed items
Search/Exam
Jul 1, 2015
May 19, 2015
May 12, 2015
Letter which had not been notified
Search/Exam
Apr 24, 2015
Apr 22, 2015
Communication to designated inventor
Search/Exam
Apr 22, 2015
Communication to designated inventor
Search/Exam
Apr 22, 2015
Communication to designated inventor
Search/Exam
Apr 22, 2015
Communication to designated inventor
Search/Exam
Apr 22, 2015
Communication to designated inventor
Search/Exam
Apr 8, 2015
Mar 13, 2015
(Electronic) Receipt
Search/Exam
Mar 13, 2015
Request for entry into the European phase
Search/Exam
Jan 30, 2015
Information on entry into European phase
Search/Exam
Mar 27, 2014
Copy of the international search report
Search/Exam
Mar 27, 2014
Published international application - A1
Search/Exam
May 2, 2013
May 2, 2013
May 2, 2013
Dec 5, 2012
Sep 18, 2012
(Electronic) Receipt
PCTRO
Sep 18, 2012
Abstract
PCTRO
Sep 18, 2012
Claims
PCTRO
Sep 18, 2012
Description
PCTRO
Sep 18, 2012
Drawings
PCTRO