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The patent EP3501455 was granted to Edwards Lifesciences on Aug 27, 2025. The application was filed on Jun 8, 2009 under application number EP19154368A. 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 |
|---|---|---|---|
| ABBOTT | Sep 24, 2020 | LKGLOBAL LORENZ & KOPF | 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 |
| OPPOSITION | EP3501455 |
| OPPOSITION | US2003167089 |
| OPPOSITION | US2005075728 |
| OPPOSITION | US2005137688 |
| OPPOSITION | US2006265056 |
| OPPOSITION | US2006287717 |
| OPPOSITION | US5853419 |
| OPPOSITION | WO0149213 |
| OPPOSITION | WO0166035 |
| OPPOSITION | WO0176510 |
| OPPOSITION | WO03047468 |
| OPPOSITION | WO2007103229 |
| OPPOSITION | WO2008011261 |
| OPPOSITION | WO2008070244 |
| OPPOSITION | WO2008079962 |
| OPPOSITION | WO2008106531 |
| OPPOSITION | WO2009029199 |
| OPPOSITION | WO2009042196 |
| OPPOSITION | WO2009052188 |
| OPPOSITION | WO2009149462 |
| OPPOSITION | WO9822159 |
| OPPOSITION | WO9944540 |
| SEARCH | US2004039436 |
| SEARCH | US2005075728 |
| SEARCH | US2006259136 |
| SEARCH | WO2008011261 |
| SEARCH | WO2008035337 |
| SEARCH | WO2009053497 |
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.
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Description
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Appeal
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Nov 20, 2023
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Appeal
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Notice of appeal
Appeal
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OPPO
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Jan 3, 2020
Nov 28, 2019
Decision to grant a European patent
Search/Exam
Nov 15, 2019
(Electronic) Receipt
Search/Exam
Nov 15, 2019
Filing of the translations of the claims
Search/Exam
Nov 15, 2019
French translation of claims
Search/Exam
Nov 15, 2019
German translation of the claims
Search/Exam
Nov 15, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 11, 2019
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Intention to grant (signatures)
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Nov 11, 2019
Text intended for grant (clean copy)
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Nov 11, 2019
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(Electronic) Receipt
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Jul 10, 2019
Amended claims with annotations
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Jul 10, 2019
Amended description with annotations
Search/Exam
Jul 10, 2019
Claims
Search/Exam
Jul 10, 2019
Description
Search/Exam
Jul 10, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 10, 2019
Jul 1, 2019
Jun 7, 2019
Annex to the communication
Search/Exam
Jun 7, 2019
Communication from the Examining Division
Search/Exam
May 29, 2019
Notification of forthcoming publication
Search/Exam
May 27, 2019
Refund of fees
Search/Exam
May 23, 2019
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European search report
Search/Exam
May 23, 2019
Information on Search Strategy
Search/Exam
May 15, 2019
May 15, 2019
Search started
Search/Exam
May 9, 2019
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Letter which had not been notified
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Apr 26, 2019
(Electronic) Receipt
Search/Exam
Apr 26, 2019
Enquiry as to the processing of the file
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Apr 26, 2019
Letter accompanying subsequently filed items
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Mar 25, 2019
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Mar 25, 2019
Communication to designated inventor
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Mar 25, 2019
Communication to designated inventor
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Mar 25, 2019
Communication to designated inventor
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Mar 25, 2019
Communication to designated inventor
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Feb 18, 2019
Jan 30, 2019
Abstract
Search/Exam
Jan 30, 2019
Jan 30, 2019
Amended claims with annotations
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Jan 30, 2019
Claims
Search/Exam
Jan 30, 2019
Description
Search/Exam
Jan 30, 2019
Designation of inventor
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Jan 30, 2019
Drawings
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Jan 30, 2019
Request for grant of a European patent
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Jan 5, 2010