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The patent EP2769557 was granted to Phonak on Jun 28, 2017. The application was filed on Oct 19, 2011 under application number EP11770788A. 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 | Mar 27, 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 | DE102006028682 |
| DESCRIPTION | EP2211319 |
| DESCRIPTION | US2001045464 |
| DESCRIPTION | US2007253087 |
| DESCRIPTION | US2009097683 |
| DESCRIPTION | US2009257608 |
| DESCRIPTION | US2010231383 |
| DESCRIPTION | US2010319434 |
| DESCRIPTION | US2011194230 |
| DESCRIPTION | WO2011027005 |
| DESCRIPTION | WO2011098140 |
| INTERNATIONAL-SEARCH-REPORT | EP2109331 |
| INTERNATIONAL-SEARCH-REPORT | US2006010340 |
| INTERNATIONAL-SEARCH-REPORT | US2008218366 |
| OPPOSITION | EP1530402 |
| OPPOSITION | EP1713303 |
| OPPOSITION | EP2109331 |
| OPPOSITION | EP2262285 |
| OPPOSITION | US2006010340 |
| OPPOSITION | US2007253087 |
| OPPOSITION | US2008218366 |
| OPPOSITION | US2010062833 |
| OPPOSITION | US2010246847 |
| OPPOSITION | US2011068944 |
| OPPOSITION | US7142666 |
| OPPOSITION | WO2011027005 |
| OPPOSITION | WO2011098140 |
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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Mar 16, 2023
Advice of delivery
Appeal
Mar 16, 2023
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Mar 16, 2023
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(Electronic) Receipt
Appeal
Jan 27, 2023
Jan 27, 2023
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(Electronic) Receipt
Appeal
Jan 11, 2023
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Mar 31, 2022
Aug 13, 2020
Aug 10, 2020
(Electronic) Receipt
Appeal
Aug 10, 2020
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Claims
Appeal
Aug 10, 2020
Claims
Appeal
Aug 10, 2020
Claims
Appeal
Aug 10, 2020
Claims
Appeal
Aug 10, 2020
Claims
Appeal
Aug 10, 2020
Claims
Appeal
Aug 10, 2020
Claims
Appeal
Aug 10, 2020
Claims
Appeal
Aug 10, 2020
Claims
Appeal
Aug 10, 2020
Aug 10, 2020
Reply to appeal
Appeal
Jul 30, 2020
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Mar 27, 2020
(Electronic) Receipt
Appeal
Mar 27, 2020
Mar 27, 2020
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Feb 19, 2020
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Jan 28, 2020
(Electronic) Receipt
Appeal
Jan 28, 2020
Jan 28, 2020
Notice of appeal
Appeal
Nov 22, 2019
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OPPO
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Claims
OPPO
Jul 16, 2019
Claims
OPPO
Jul 16, 2019
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OPPO
Jul 16, 2019
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OPPO
Jul 16, 2019
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OPPO
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OPPO
Jul 16, 2019
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OPPO
Jul 16, 2019
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OPPO
Jul 16, 2019
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OPPO
Jul 16, 2019
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Oct 2, 2018
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Jun 28, 2017
Jun 1, 2017
Decision to grant a European patent
Search/Exam
May 22, 2017
(Electronic) Receipt
Search/Exam
May 22, 2017
French translation of claims
Search/Exam
May 22, 2017
German translation of the claims
Search/Exam
May 22, 2017
Letter accompanying subsequently filed items
Search/Exam
Feb 6, 2017
Feb 6, 2017
Feb 6, 2017
Intention to grant (signatures)
Search/Exam
Feb 6, 2017
Text intended for grant (clean copy)
Search/Exam
Feb 6, 2017
Dec 8, 2016
Examination started
Search/Exam
Oct 19, 2016
Oct 14, 2016
Aug 13, 2015
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Dec 12, 2014
Amended claims with annotations
Search/Exam
Dec 12, 2014
Dec 12, 2014
Amended description with annotations
Search/Exam
Dec 12, 2014
Amendments received before examination
Search/Exam
Jul 30, 2014
Jun 16, 2014
May 23, 2014
Communication to designated inventor
Search/Exam
May 13, 2014
Submission concerning representation
Search/Exam
May 7, 2014
Mar 28, 2014
Mar 19, 2014
(Electronic) Receipt
Search/Exam
Mar 19, 2014
Request for entry into the European phase
Search/Exam
Oct 26, 2012
Information on entry into European phase
Search/Exam
Feb 23, 2012
Copy of the international search report
Search/Exam
Feb 23, 2012
Dec 22, 2011
Published international application - A2
Search/Exam
Dec 14, 2011
Dec 14, 2011
Dec 14, 2011
Oct 19, 2011
(Electronic) Receipt
PCTRO
Oct 19, 2011
Abstract
PCTRO
Oct 19, 2011
Claims
PCTRO
Oct 19, 2011
Description
PCTRO
Oct 19, 2011
Drawings
PCTRO