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The patent EP4056150 was granted to Edwards Lifesciences on Feb 26, 2025. The application was filed on Jun 8, 2009 under application number EP22160976A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| MERIL | Nov 26, 2025 | MARKS & CLERK | ADMISSIBLE |
| DAUB | Nov 25, 2025 | DAUB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US5411522 |
| DESCRIPTION | US6730118 |
| EXAMINATION | US2006259137 |
| OPPOSITION | US2001027339 |
| OPPOSITION | US2001029397 |
| OPPOSITION | US2001044648 |
| OPPOSITION | US2003139799 |
| OPPOSITION | US2004039436 |
| OPPOSITION | US2005075715 |
| OPPOSITION | US2005075728 |
| OPPOSITION | US2006004436 |
| OPPOSITION | US2006129235 |
| OPPOSITION | US2008051876 |
| OPPOSITION | US2008154355 |
| OPPOSITION | US5395390 |
| OPPOSITION | US5853419 |
| OPPOSITION | US6280466 |
| OPPOSITION | US6475237 |
| OPPOSITION | WO0139696 |
| OPPOSITION | WO03047468 |
| OPPOSITION | WO2005025453 |
| OPPOSITION | WO2005120394 |
| OPPOSITION | WO2006135831 |
| OPPOSITION | WO2008011261 |
| OPPOSITION | WO2009052188 |
| OPPOSITION | WO2009149462 |
| OPPOSITION | WO9301768 |
| SEARCH | US2006287717 |
| SEARCH | WO03047468 |
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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Jan 30, 2025
Decision to grant a European patent
Search/Exam
Jan 17, 2025
(Electronic) Receipt
Search/Exam
Jan 17, 2025
Filing of the translations of the claims
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Jan 17, 2025
French translation of claims
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Jan 17, 2025
German translation of the claims
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Jan 17, 2025
Letter accompanying subsequently filed items
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Sep 18, 2024
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Sep 18, 2024
Intention to grant (signatures)
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Sep 18, 2024
Text intended for grant (clean copy)
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Sep 18, 2024
Jun 26, 2024
(Electronic) Receipt
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Jun 26, 2024
Amended claims with annotations
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Jun 26, 2024
Amended description with annotations
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Jun 26, 2024
Claims
Search/Exam
Jun 26, 2024
Description
Search/Exam
Jun 26, 2024
Letter accompanying subsequently filed items
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Jun 26, 2024
Feb 26, 2024
Annex to the communication
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Feb 26, 2024
Communication from the Examining Division
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Dec 18, 2023
(Electronic) Receipt
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Dec 18, 2023
Amended claims with annotations
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Dec 18, 2023
Amended description with annotations
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Dec 18, 2023
Claims
Search/Exam
Dec 18, 2023
Description
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Dec 18, 2023
Letter accompanying subsequently filed items
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Dec 18, 2023
Aug 8, 2023
Annex to the communication
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Aug 8, 2023
Communication from the Examining Division
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Dec 14, 2022
(Electronic) Receipt
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Dec 14, 2022
(Electronic) Receipt
Search/Exam
Dec 14, 2022
Amended claims with annotations
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Dec 14, 2022
Amended description with annotations
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Dec 14, 2022
Claims
Search/Exam
Dec 14, 2022
Description
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Dec 14, 2022
Letter accompanying subsequently filed items
Search/Exam
Dec 14, 2022
Oct 7, 2022
Annex to the communication
Search/Exam
Oct 7, 2022
Communication from the Examining Division
Search/Exam
Sep 28, 2022
Sep 26, 2022
Sep 19, 2022
Aug 18, 2022
Notification of forthcoming publication
Search/Exam
Aug 11, 2022
Aug 11, 2022
European search report
Search/Exam
Aug 11, 2022
Information on Search Strategy
Search/Exam
Jul 27, 2022
Search started
Search/Exam
Jul 7, 2022
Jul 4, 2022
(Electronic) Receipt
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Jul 4, 2022
Enquiry as to the processing of the file
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Jul 4, 2022
Letter accompanying subsequently filed items
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Jul 4, 2022
Matter concerning the application
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Jun 22, 2022
(Electronic) Receipt
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Jun 22, 2022
Enquiry as to the processing of the file
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Jun 22, 2022
Letter accompanying subsequently filed items
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Apr 5, 2022
(Electronic) Receipt
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Apr 5, 2022
Letter accompanying subsequently filed items
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Mar 9, 2022
Abstract
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Mar 9, 2022
Mar 9, 2022
Annex
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Mar 9, 2022
Claims
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Mar 9, 2022
Description
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Mar 9, 2022
Designation of inventor
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Mar 9, 2022
Drawings
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Mar 9, 2022
Request for grant of a European patent
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Jan 5, 2010