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The patent EP3967274 was granted to Medtronic on Aug 6, 2025. The application was filed on Apr 23, 2009 under application number EP21203994A. 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 |
|---|---|---|---|
| BOSTON SCIENTIFIC | May 23, 2023 | PETERREINS SCHLEY | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1057460 |
| DESCRIPTION | US2003036791 |
| DESCRIPTION | US2003199963 |
| DESCRIPTION | US2003199971 |
| OPPOSITION | EP3967274 |
| OPPOSITION | US2006195183 |
| OPPOSITION | WO0047139 |
| OPPOSITION | WO0149213 |
| OPPOSITION | WO2006127765 |
| OPPOSITION | WO2008035337 |
| OPPOSITION | WO2008150529 |
| OPPOSITION | WO2009033469 |
| OPPOSITION | WO2009053497 |
| OPPOSITION | WO2009094188 |
| OPPOSITION | WO2009132187 |
| OPPOSITION | WO9829057 |
| SEARCH | US2004093060 |
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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Sep 6, 2022
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Decision to grant a European patent
Search/Exam
Jul 18, 2022
(Electronic) Receipt
Search/Exam
Jul 18, 2022
Filing of the translations of the claims
Search/Exam
Jul 18, 2022
French translation of claims
Search/Exam
Jul 18, 2022
German translation of the claims
Search/Exam
Jul 18, 2022
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
Jul 12, 2022
Text intended for grant (clean copy)
Search/Exam
Jul 12, 2022
Jun 1, 2022
Examination started
Search/Exam
Mar 30, 2022
(Electronic) Receipt
Search/Exam
Mar 30, 2022
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Amended description with annotations
Search/Exam
Mar 30, 2022
Amendments received before examination
Search/Exam
Mar 30, 2022
Letter accompanying subsequently filed items
Search/Exam
Mar 21, 2022
Feb 16, 2022
Notification of forthcoming publication
Search/Exam
Feb 16, 2022
Refund of fees
Search/Exam
Feb 11, 2022
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European search opinion
Search/Exam
Feb 11, 2022
European search report
Search/Exam
Feb 11, 2022
Information on Search Strategy
Search/Exam
Feb 2, 2022
Search started
Search/Exam
Nov 5, 2021
Oct 21, 2021
Abstract
Search/Exam
Oct 21, 2021
Oct 21, 2021
Annex
Search/Exam
Oct 21, 2021
Claims
Search/Exam
Oct 21, 2021
Description
Search/Exam
Oct 21, 2021
Designation of inventor
Search/Exam
Oct 21, 2021
Drawings
Search/Exam
Oct 21, 2021
Request for grant of a European patent
Search/Exam
Nov 19, 2009