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The patent EP2777300 was granted to Phonak on Oct 18, 2023. The application was filed on Nov 11, 2011 under application number EP11787810A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 | Oct 12, 2021 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2008006772 |
| INTERNATIONAL-SEARCH-REPORT | US2007223753 |
| INTERNATIONAL-SEARCH-REPORT | US2010111338 |
| INTERNATIONAL-SEARCH-REPORT | WO2010145698 |
| OPPOSITION | US2007223753 |
| OPPOSITION | US2010111338 |
| OPPOSITION | US6549633 |
| OPPOSITION | US7020296 |
| OPPOSITION | WO2010145698 |
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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Sep 21, 2023
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Refund of fees
Appeal
Jun 7, 2023
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Jun 1, 2023
(Electronic) Receipt
Appeal
Jun 1, 2023
Jun 1, 2023
Withdrawal of an appeal
Appeal
May 19, 2023
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(Electronic) Receipt
Appeal
May 12, 2023
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Notice of appeal
Appeal
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Decision to grant a European patent
Search/Exam
Dec 4, 2020
(Electronic) Receipt
Search/Exam
Dec 4, 2020
Filing of the translations of the claims
Search/Exam
Dec 4, 2020
French translation of claims
Search/Exam
Dec 4, 2020
German translation of the claims
Search/Exam
Dec 4, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 20, 2020
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Intention to grant (signatures)
Search/Exam
Nov 20, 2020
Text intended for grant (clean copy)
Search/Exam
Nov 20, 2020
Sep 30, 2020
(Electronic) Receipt
Search/Exam
Sep 30, 2020
Amended claims with annotations
Search/Exam
Sep 30, 2020
Claims
Search/Exam
Sep 30, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 30, 2020
Sep 29, 2020
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(Electronic) Receipt
Search/Exam
Sep 28, 2020
Amended claims with annotations
Search/Exam
Sep 28, 2020
Claims
Search/Exam
Sep 28, 2020
Claims
Search/Exam
Sep 28, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 28, 2020
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Intention to grant (signatures)
Search/Exam
Jun 24, 2020
Text intended for grant (clean copy)
Search/Exam
Jun 24, 2020
Dec 20, 2018
(Electronic) Receipt
Search/Exam
Dec 20, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 20, 2018
Sep 7, 2018
Annex to the communication
Search/Exam
Sep 7, 2018
Communication from the Examining Division
Search/Exam
Aug 30, 2018
Examination started
Search/Exam
Nov 18, 2015
Nov 10, 2015
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Jan 8, 2015
Dec 30, 2014
(Electronic) Receipt
Search/Exam
Dec 30, 2014
Dec 30, 2014
Amendments received before examination
Search/Exam
Dec 30, 2014
Letter accompanying subsequently filed items
Search/Exam
Aug 20, 2014
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Communication to designated inventor
Search/Exam
Jun 2, 2014
Mar 26, 2014
(Electronic) Receipt
Search/Exam
Mar 26, 2014
Request for entry into the European phase
Search/Exam
Mar 21, 2014
Information on entry into European phase
Search/Exam
May 16, 2013
Copy of the international search report
Search/Exam
May 16, 2013
Published international application - A1
Search/Exam
Oct 18, 2012
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Nov 11, 2011
(Electronic) Receipt
PCTRO
Nov 11, 2011
Abstract
PCTRO
Nov 11, 2011
Claims
PCTRO
Nov 11, 2011
Description
PCTRO
Nov 11, 2011
Drawings
PCTRO