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The patent EP3656619 was granted to Alois Kober on Sep 3, 2025. The application was filed on Nov 15, 2019 under application number EP19209334A. 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 | Jul 26, 2023 | ZF FRIEDRICHSHAFEN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE102010042907 |
| OPPOSITION | DE102010051838 |
| OPPOSITION | DE102014009746 |
| OPPOSITION | DE102015200458 |
| OPPOSITION | DE102016102847 |
| OPPOSITION | DE102017104747 |
| OPPOSITION | DE202017101795U |
| OPPOSITION | EP3388297 |
| OPPOSITION | WO2019179866 |
| SEARCH | DE202017101795U |
| SEARCH | EP1598249 |
| SEARCH | US2014210456 |
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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Decision to grant a European patent
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Sep 22, 2022
(Electronic) Receipt
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Sep 22, 2022
English translation of the claims
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Sep 22, 2022
Filing of the translations of the claims
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Sep 22, 2022
French translation of claims
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Sep 22, 2022
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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May 23, 2022
Text intended for grant (clean copy)
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Examination started
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May 10, 2021
Document concerning representation
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Nov 13, 2020
(Electronic) Receipt
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Amended claims with annotations
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Amended description with annotations
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Nov 13, 2020
Amendments received before examination
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Nov 13, 2020
Letter accompanying subsequently filed items
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Jun 2, 2020
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Notification of forthcoming publication
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Apr 28, 2020
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European search opinion
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Apr 28, 2020
European search report
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Apr 28, 2020
Information on Search Strategy
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Mar 30, 2020
Search started
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Dec 13, 2019
Authorisation
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Dec 13, 2019
Letter concerning the priority
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Dec 13, 2019
Priority document
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Nov 15, 2019
Abstract
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Nov 15, 2019
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Claims
Search/Exam
Nov 15, 2019
Description
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Nov 15, 2019
Designation of inventor
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Nov 15, 2019
Drawings
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Nov 15, 2019
Priority search results
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Nov 15, 2019
Request for grant of a European patent
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