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The patent EP3005983 was granted to Shanghai Microport Cardioflow Medtech on Oct 15, 2025. The application was filed on May 26, 2014 under application number EP14803859A. 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 |
|---|---|---|---|
| EDWARDS LIFESCIENCES | Nov 6, 2019 | SOMERVILLE | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | CN20078008324 |
| DESCRIPTION | CN20108046790 |
| DESCRIPTION | US2011251683 |
| INTERNATIONAL-SEARCH-REPORT | CN101612436 |
| INTERNATIONAL-SEARCH-REPORT | CN103110441 |
| INTERNATIONAL-SEARCH-REPORT | US2013123757 |
| INTERNATIONAL-SEARCH-REPORT | US5389073 |
| INTERNATIONAL-SEARCH-REPORT | US6764494 |
| INTERNATIONAL-SEARCH-REPORT | WO2012116368 |
| OPPOSITION | EP2363099 |
| OPPOSITION | US2003094356 |
| OPPOSITION | US2005149159 |
| OPPOSITION | US2007044983 |
| OPPOSITION | US2013046373 |
| OPPOSITION | US2013253423 |
| OPPOSITION | US6254628 |
| OPPOSITION | US6402760 |
| OPPOSITION | WO2012116368 |
| OPPOSITION | WO2014190880 |
| SEARCH | EP2363099 |
| SEARCH | US2005149159 |
| SEARCH | US2009099638 |
| SEARCH | US2013046373 |
| SEARCH | WO2012116368 |
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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OPPO
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Appeal
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Advice of delivery
Appeal
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Appeal
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Appeal
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(Electronic) Receipt
Appeal
Aug 5, 2022
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Jan 27, 2022
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Notice of appeal
Appeal
Dec 6, 2021
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OPPO
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OPPO
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Decision to grant a European patent
Search/Exam
Dec 20, 2018
(Electronic) Receipt
Search/Exam
Dec 20, 2018
Filing of the translations of the claims
Search/Exam
Dec 20, 2018
French translation of claims
Search/Exam
Dec 20, 2018
German translation of the claims
Search/Exam
Dec 20, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 12, 2018
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Intention to grant (signatures)
Search/Exam
Sep 12, 2018
Text intended for grant (clean copy)
Search/Exam
Sep 12, 2018
Nov 30, 2017
(Electronic) Receipt
Search/Exam
Nov 30, 2017
Amended claims with annotations
Search/Exam
Nov 30, 2017
Claims
Search/Exam
Nov 30, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 30, 2017
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Annex to the communication
Search/Exam
Jul 31, 2017
Communication from the Examining Division
Search/Exam
Jul 25, 2017
Examination started
Search/Exam
Jul 5, 2017
Mar 15, 2017
(Electronic) Receipt
Search/Exam
Mar 15, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 15, 2017
Priority search results
Search/Exam
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(Electronic) Receipt
Search/Exam
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Amended claims with annotations
Search/Exam
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Amended description with annotations
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Dec 23, 2016
Amendments received before examination
Search/Exam
Dec 23, 2016
Letter accompanying subsequently filed items
Search/Exam
Sep 21, 2016
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(Electronic) Receipt
Search/Exam
Aug 12, 2016
Annexes in respect of a client data request
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Aug 12, 2016
Letter accompanying subsequently filed items
Search/Exam
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European search opinion
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Information on Search Strategy
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Jun 1, 2016
Supplementary European search report
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May 19, 2016
Search started
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Mar 16, 2016
Notification of forthcoming publication
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Mar 4, 2016
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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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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Dec 14, 2015
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(Electronic) Receipt
Search/Exam
Nov 27, 2015
Abstract
Search/Exam
Nov 27, 2015
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Amended claims with annotations
Search/Exam
Nov 27, 2015
Claims
Search/Exam
Nov 27, 2015
Description
Search/Exam
Nov 27, 2015
Drawings
Search/Exam
Nov 27, 2015
Request for entry into the European phase
Search/Exam
Oct 9, 2015
Information on entry into European phase
Search/Exam
Dec 22, 2014
Dec 4, 2014
Copy of the international search report
Search/Exam
Dec 4, 2014
Dec 4, 2014
International publication pamphlet
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