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The patent EP3281656 was granted to Medtronic on Nov 22, 2023. The application was filed on Aug 10, 2017 under application number EP17185807A. 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 |
|---|---|---|---|
| FRESENIUS MEDICAL CARE | Jul 28, 2021 | HERRMANN | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP0402505 |
| OPPOSITION | US2002162778 |
| OPPOSITION | US2012273420 |
| OPPOSITION | US4747822 |
| OPPOSITION | US5141493 |
| OPPOSITION | US5643201 |
| OPPOSITION | US9132217 |
| OPPOSITION | WO2012129501 |
| OPPOSITION | WO2014121161 |
| OPPOSITION | WO9906082 |
| SEARCH | EP0402505 |
| SEARCH | US5141493 |
| SEARCH | WO2009154955 |
| SEARCH | WO2012129501 |
| SEARCH | WO2014121161 |
| SEARCH | WO9906082 |
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.
Date
Description
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Sep 25, 2024
Refund of fees
Search/Exam
Sep 19, 2024
Sep 17, 2024
Annexes in respect of a client data request
Search/Exam
Sep 17, 2024
Letter accompanying subsequently filed items
Search/Exam
Sep 17, 2024
Oct 26, 2023
Oct 26, 2023
Oct 17, 2023
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Jul 31, 2023
Refund of fees
Search/Exam
Jul 27, 2023
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(Electronic) Receipt
Appeal
Jul 20, 2023
Jul 20, 2023
Withdrawal of an appeal
Appeal
Jul 5, 2023
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Jun 30, 2023
(Electronic) Receipt
Appeal
Jun 30, 2023
Jun 30, 2023
Jun 30, 2023
Notice of appeal
Appeal
Apr 21, 2023
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Means of redress
OPPO
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Nov 9, 2020
Oct 1, 2020
Decision to grant a European patent
Search/Exam
Sep 17, 2020
(Electronic) Receipt
Search/Exam
Sep 17, 2020
Filing of the translations of the claims
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Sep 17, 2020
French translation of claims
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Sep 17, 2020
German translation of the claims
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Sep 17, 2020
Letter accompanying subsequently filed items
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Jun 16, 2020
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Jun 16, 2020
Intention to grant (signatures)
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Jun 16, 2020
Text intended for grant (clean copy)
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Jun 16, 2020
Mar 12, 2020
Amended claims with annotations
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Mar 12, 2020
Amended description with annotations
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Mar 12, 2020
Claims
Search/Exam
Mar 12, 2020
Description
Search/Exam
Mar 12, 2020
Dec 6, 2019
Annex to the communication
Search/Exam
Dec 6, 2019
Communication from the Examining Division
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Aug 8, 2019
(Electronic) Receipt
Search/Exam
Aug 8, 2019
Amended claims with annotations
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Aug 8, 2019
Claims
Search/Exam
Aug 8, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 8, 2019
Apr 18, 2019
Annex to the communication
Search/Exam
Apr 18, 2019
Communication from the Examining Division
Search/Exam
Apr 12, 2019
Examination started
Search/Exam
Aug 14, 2018
(Electronic) Receipt
Search/Exam
Aug 14, 2018
Aug 14, 2018
Amended claims with annotations
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Aug 14, 2018
Amendments received before examination
Search/Exam
Aug 14, 2018
Letter accompanying subsequently filed items
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Feb 19, 2018
Jan 17, 2018
Notification of forthcoming publication
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Jan 3, 2018
Jan 3, 2018
European search opinion
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Jan 3, 2018
European search report
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Jan 3, 2018
Information on Search Strategy
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Oct 23, 2017
Oct 10, 2017
Oct 10, 2017
Oct 4, 2017
Communication to designated inventor
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Oct 4, 2017
Communication to designated inventor
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Aug 10, 2017
Abstract
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Aug 10, 2017
Aug 10, 2017
Claims
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Aug 10, 2017
Description
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Aug 10, 2017
Designation of inventor
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Aug 10, 2017
Drawings
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Aug 10, 2017
Request for grant of a European patent
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