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The patent EP3351830 was granted to Flender on Mar 15, 2023. The application was filed on Jan 23, 2017 under application number EP17152660A. 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 |
|---|---|---|---|
| ZF FRIEDRICHSHAFEN | Apr 29, 2020 | ZF FRIEDRICHSHAFEN | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP2284420 |
| OPPOSITION | EP2078855 |
| OPPOSITION | EP2284420 |
| OPPOSITION | EP2284428 |
| OPPOSITION | EP2554839 |
| OPPOSITION | WO03031811 |
| OPPOSITION | WO2011127509 |
| SEARCH | EP2284420 |
| SEARCH | US3381546 |
| SEARCH | US3513724 |
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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Feb 16, 2023
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Refund of fees
OPPO
Dec 22, 2022
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(Electronic) Receipt
Appeal
Dec 13, 2022
Withdrawal of an appeal
Appeal
Oct 7, 2022
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Sep 30, 2022
(Electronic) Receipt
Appeal
Sep 30, 2022
Sep 30, 2022
Notice of appeal
Appeal
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Aug 12, 2019
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Decision to grant a European patent
Search/Exam
Jun 19, 2019
(Electronic) Receipt
Search/Exam
Jun 19, 2019
English translation of the claims
Search/Exam
Jun 19, 2019
Filing of the translations of the claims
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Jun 19, 2019
French translation of claims
Search/Exam
Mar 27, 2019
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Intention to grant (signatures)
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Mar 27, 2019
Text intended for grant (clean copy)
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Mar 27, 2019
Mar 12, 2019
Examination started
Search/Exam
Jul 30, 2018
Jun 27, 2018
Notification of forthcoming publication
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Feb 23, 2018
Feb 12, 2018
(Electronic) Receipt
Search/Exam
Feb 12, 2018
Annexes in respect of a client data request
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Feb 12, 2018
Annexes in respect of a client data request
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Feb 12, 2018
Annexes in respect of a client data request
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Feb 12, 2018
Annexes in respect of a client data request
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Feb 12, 2018
Annexes in respect of a client data request
Search/Exam
Feb 12, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 12, 2018
Jul 31, 2017
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European search opinion
Search/Exam
Jul 5, 2017
European search report
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Jul 5, 2017
Information on Search Strategy
Search/Exam
Jun 23, 2017
Search started
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Mar 31, 2017
Communication to designated inventor
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Jan 23, 2017
Abstract
Search/Exam
Jan 23, 2017
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Claims
Search/Exam
Jan 23, 2017
Description
Search/Exam
Jan 23, 2017
Designation of inventor
Search/Exam
Jan 23, 2017
Drawings
Search/Exam
Jan 23, 2017
Request for grant of a European patent
Search/Exam