The patent EP3138536 was granted to Cook Medical on May 21, 2025. The application was originally filed on Sep 1, 2016 under application number EP16275125A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP0873733 |
| OPPOSITION | EP0990426 |
| OPPOSITION | EP2617388 |
| OPPOSITION | GB2474252 |
| OPPOSITION | US2003191516 |
| OPPOSITION | US2004138734 |
| OPPOSITION | US2005027305 |
| OPPOSITION | US2005080476 |
| OPPOSITION | US2006100640 |
| OPPOSITION | US2010094393 |
| OPPOSITION | US2011224774 |
| OPPOSITION | US2012041547 |
| OPPOSITION | US2013289696 |
| OPPOSITION | US2014114392 |
| OPPOSITION | WO03068302 |
| OPPOSITION | WO2004103434 |
| OPPOSITION | WO2010022138 |
| OPPOSITION | WO2010044851 |
| OPPOSITION | WO2010098804 |
| OPPOSITION | WO2011049808 |
| OPPOSITION | WO2011133272 |
| OPPOSITION | WO2012032147 |
| SEARCH | EP0990426 |
| SEARCH | GB2474252 |
| SEARCH | US2003191516 |
| SEARCH | US2004138734 |
| SEARCH | WO03068302 |
| SEARCH | WO2011049808 |
NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.
| Citation Phase | Reference Text |
|---|---|
| OPPOSITION | - "Symetis ACURATE TFâ„¢ aortic bioprosthesis", Eurolntervention, (20130000), vol. 9, pages S107 - S110, XP055739593 |
Get a free citation report including examiner, opposition, and international search citations.
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Date
Description
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Apr 25, 2025
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Refund of fees
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Appeal
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(Electronic) Receipt
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Nov 28, 2019
Decision to grant a European patent
Search/Exam
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Nov 19, 2019
Text intended for grant (clean copy)
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Nov 19, 2019
Oct 28, 2019
(Electronic) Receipt
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Oct 28, 2019
French translation of claims
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Oct 28, 2019
German translation of the claims
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Oct 28, 2019
Letter accompanying subsequently filed items
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Oct 28, 2019
Sep 25, 2019
Refund of fees
Search/Exam
Aug 23, 2019
(Electronic) Receipt
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Aug 23, 2019
Letter accompanying subsequently filed items
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Aug 23, 2019
Matter concerning the application
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Aug 1, 2019
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Intention to grant (signatures)
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Aug 1, 2019
Text intended for grant (clean copy)
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Aug 1, 2019
May 2, 2019
(Electronic) Receipt
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May 2, 2019
Amended description with annotations
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May 2, 2019
Description
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May 2, 2019
Letter accompanying subsequently filed items
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May 2, 2019
Feb 19, 2019
Annex to the communication
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Feb 19, 2019
Communication from the Examining Division
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Feb 13, 2019
Examination started
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Aug 16, 2017
(Electronic) Receipt
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Aug 16, 2017
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Amended claims with annotations
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Aug 16, 2017
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Amended description with annotations
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Aug 16, 2017
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Aug 16, 2017
Letter accompanying subsequently filed items
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Mar 13, 2017
Feb 8, 2017
Notification of forthcoming publication
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Nov 28, 2016
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European search opinion
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Nov 28, 2016
European search report
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Nov 28, 2016
Information on Search Strategy
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Nov 11, 2016
(Electronic) Receipt
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Nov 11, 2016
Letter accompanying subsequently filed items
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Nov 11, 2016
Letter concerning fees and payments
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Oct 27, 2016
Oct 27, 2016
Information on Search Strategy
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Oct 27, 2016
Partial European search report
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Oct 25, 2016
Communication to designated inventor
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Oct 25, 2016
Communication to designated inventor
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Oct 25, 2016
Communication to designated inventor
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Oct 12, 2016
Search started
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Sep 28, 2016
Designation of inventor
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Sep 28, 2016
Letter concerning the priority
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Sep 28, 2016
Priority document
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Sep 21, 2016
Deficiency in designation of inventor
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Sep 7, 2016
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Abstract
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Sep 1, 2016
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Claims
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Sep 1, 2016
Description
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Sep 1, 2016
Drawings
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Sep 1, 2016
Request for grant of a European patent
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