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The patent EP3636223 was granted to Shanghai Microport Cardioflow Medtech on Feb 22, 2023. The application was filed on Jun 7, 2018 under application number EP18812866A. 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 |
|---|---|---|---|
| EDWARDS LIFESCIENCES | Nov 22, 2023 | SOMERVILLE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2013028387 |
| INTERNATIONAL-SEARCH-REPORT | CN103228232 |
| INTERNATIONAL-SEARCH-REPORT | CN105581858 |
| INTERNATIONAL-SEARCH-REPORT | CN106456325 |
| INTERNATIONAL-SEARCH-REPORT | CN205612592U |
| INTERNATIONAL-SEARCH-REPORT | US2010049291 |
| INTERNATIONAL-SEARCH-REPORT | US2013172978 |
| INTERNATIONAL-SEARCH-REPORT | US5817126 |
| INTERNATIONAL-SEARCH-REPORT | WO0135864 |
| OPPOSITION | EP3005983 |
| OPPOSITION | US2016278923 |
| OPPOSITION | US2016374801 |
| OPPOSITION | WO2011072084 |
| OPPOSITION | WO2013021374 |
| OPPOSITION | WO2013021375 |
| OPPOSITION | WO2013028387 |
| OPPOSITION | WO2013059743 |
| OPPOSITION | WO2013103612 |
| OPPOSITION | WO2014022124 |
| OPPOSITION | WO2014121275 |
| OPPOSITION | WO2014210124 |
| OPPOSITION | WO2015179473 |
| OPPOSITION | WO2016083551 |
| OPPOSITION | WO2017196909 |
| OPPOSITION | WO2018223996 |
| SEARCH | WO2013103612 |
| SEARCH | WO2015179473 |
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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OPPO
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Decision to grant a European patent
Search/Exam
Jan 18, 2023
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(Electronic) Receipt
Search/Exam
Jan 13, 2023
Filing of the translations of the claims
Search/Exam
Jan 13, 2023
French translation of claims
Search/Exam
Jan 13, 2023
German translation of the claims
Search/Exam
Jan 13, 2023
Letter accompanying subsequently filed items
Search/Exam
Oct 5, 2022
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Intention to grant (signatures)
Search/Exam
Oct 5, 2022
Text intended for grant (clean copy)
Search/Exam
Oct 5, 2022
Aug 24, 2022
Examination started
Search/Exam
Mar 9, 2022
Feb 23, 2022
(Electronic) Receipt
Search/Exam
Feb 23, 2022
Enquiry as to the processing of the file
Search/Exam
Feb 23, 2022
Letter accompanying subsequently filed items
Search/Exam
Dec 4, 2020
(Electronic) Receipt
Search/Exam
Dec 4, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 4, 2020
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Oct 22, 2020
(Electronic) Receipt
Search/Exam
Oct 22, 2020
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Amended claims with annotations
Search/Exam
Oct 22, 2020
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Amended description with annotations
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Oct 22, 2020
Amendments received before examination
Search/Exam
Oct 22, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 24, 2020
Apr 7, 2020
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European search opinion
Search/Exam
Apr 7, 2020
Information on Search Strategy
Search/Exam
Apr 7, 2020
Supplementary European search report
Search/Exam
Mar 27, 2020
Search started
Search/Exam
Mar 18, 2020
Notification of forthcoming publication
Search/Exam
Jan 14, 2020
Communication to designated inventor
Search/Exam
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Communication to designated inventor
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Jan 14, 2020
Communication to designated inventor
Search/Exam
Jan 14, 2020
Communication to designated inventor
Search/Exam
Jan 6, 2020
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Dec 17, 2019
Notification of the recording of a change
Search/Exam
Dec 16, 2019
(Electronic) Receipt
Search/Exam
Dec 16, 2019
Abstract
Search/Exam
Dec 16, 2019
Dec 16, 2019
Amended claims with annotations
Search/Exam
Dec 16, 2019
Claims
Search/Exam
Dec 16, 2019
Description
Search/Exam
Dec 16, 2019
Drawings
Search/Exam
Dec 16, 2019
Request for entry into the European phase
Search/Exam
Oct 18, 2019
Information on entry into European phase
Search/Exam
Jan 4, 2019
Dec 13, 2018
Copy of the international search report
Search/Exam
Dec 13, 2018
Dec 13, 2018
International publication pamphlet
Search/Exam