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The patent EP3238669 was granted to Boston Scientific on Sep 10, 2025. The application was filed on Sep 23, 2011 under application number EP17174920A. 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 |
|---|---|---|---|
| BARD PERIPHERAL VASCULAR | Jul 14, 2021 | HOFFMANN EITLE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US5238004 |
| DESCRIPTION | US5772609 |
| DESCRIPTION | US6139510 |
| DESCRIPTION | US6508803 |
| OPPOSITION | DE29717110U |
| OPPOSITION | EP1670390 |
| OPPOSITION | US2004006380 |
| OPPOSITION | US2004148009 |
| OPPOSITION | US2004193243 |
| OPPOSITION | US2004267281 |
| OPPOSITION | US2008288043 |
| OPPOSITION | US2009157162 |
| OPPOSITION | US2009210046 |
| OPPOSITION | US5634928 |
| OPPOSITION | US6514261 |
| OPPOSITION | WO2006036472 |
| OPPOSITION | WO2007084370 |
| OPPOSITION | WO2008097788 |
| OPPOSITION | WO2008118670 |
| SEARCH | US5707376 |
| SEARCH | WO0078248 |
| SEARCH | WO2004021928 |
| SEARCH | WO2008118670 |
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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Aug 14, 2025
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Refund of fees
Search/Exam
May 14, 2025
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(Electronic) Receipt
Appeal
May 8, 2025
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Withdrawal of an appeal
Appeal
Mar 27, 2025
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(Electronic) Receipt
Appeal
Mar 24, 2025
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Notice of appeal
Appeal
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Oct 8, 2020
Decision to grant a European patent
Search/Exam
Sep 23, 2020
(Electronic) Receipt
Search/Exam
Sep 23, 2020
Filing of the translations of the claims
Search/Exam
Sep 23, 2020
French translation of claims
Search/Exam
Sep 23, 2020
German translation of the claims
Search/Exam
Sep 23, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 29, 2020
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Intention to grant (signatures)
Search/Exam
Jun 29, 2020
Text intended for grant (clean copy)
Search/Exam
Jun 29, 2020
Apr 2, 2020
(Electronic) Receipt
Search/Exam
Apr 2, 2020
Description
Search/Exam
Apr 2, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 2, 2020
Dec 19, 2019
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Intention to grant (signatures)
Search/Exam
Dec 19, 2019
Text intended for grant (clean copy)
Search/Exam
Dec 19, 2019
Oct 22, 2019
Amended claims with annotations
Search/Exam
Oct 22, 2019
Amended description with annotations
Search/Exam
Oct 22, 2019
Claims
Search/Exam
Oct 22, 2019
Description
Search/Exam
Oct 22, 2019
Oct 11, 2019
Annex to the communication
Search/Exam
Oct 11, 2019
Consultation by telephone/in person
Search/Exam
Oct 11, 2019
Jun 6, 2019
Amended claims with annotations
Search/Exam
Jun 6, 2019
Amended description with annotations
Search/Exam
Jun 6, 2019
Claims
Search/Exam
Jun 6, 2019
Description
Search/Exam
Jun 6, 2019
Apr 29, 2019
Apr 17, 2019
Dec 7, 2018
Annex to the communication
Search/Exam
Dec 7, 2018
Communication from the Examining Division
Search/Exam
Nov 30, 2018
Examination started
Search/Exam
Apr 20, 2018
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Amended claims with annotations
Search/Exam
Apr 20, 2018
Amendments received before examination
Search/Exam
Nov 6, 2017
Oct 18, 2017
Refund of fees
Search/Exam
Oct 5, 2017
Notification of forthcoming publication
Search/Exam
Oct 4, 2017
Payment of fees and costs
Search/Exam
Sep 13, 2017
Sep 1, 2017
Letter which had not been notified
Search/Exam
Aug 18, 2017
Aug 18, 2017
European search opinion
Search/Exam
Aug 18, 2017
European search report
Search/Exam
Aug 18, 2017
Information on Search Strategy
Search/Exam
Aug 4, 2017
Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
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Communication to designated inventor
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Aug 1, 2017
Search started
Search/Exam
Jun 8, 2017
Abstract
Search/Exam
Jun 8, 2017
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Annex
Search/Exam
Jun 8, 2017
Claims
Search/Exam
Jun 8, 2017
Description
Search/Exam
Jun 8, 2017
Designation of inventor
Search/Exam
Jun 8, 2017
Drawings
Search/Exam
Jun 8, 2017
Request for grant of a European patent
Search/Exam
Jun 12, 2012