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The patent EP3828433 was granted to BPW Bergische Achsen on Aug 10, 2022. The application was filed on Apr 17, 2018 under application number EP21020023A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| VRI VERBAND DER REIBBELAGINDUSTRIE EV | May 10, 2023 | IPSILON BENELUX | ADMISSIBLE |
| ZF FRIEDRICHSHAFEN | May 9, 2023 | WBH WACHENHAUSEN PATENTANWALTE PARTG MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1898115 |
| OPPOSITION | DE102015000857 |
| OPPOSITION | DE202006021291U |
| OPPOSITION | DE202008013446U |
| OPPOSITION | DE3542388 |
| OPPOSITION | EP0715090 |
| OPPOSITION | EP1767805 |
| OPPOSITION | EP1898115 |
| OPPOSITION | US2009166135 |
| SEARCH | DE202006021291U |
| SEARCH | EP1898115 |
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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Aug 21, 2025
Aug 15, 2025
(Electronic) Receipt
Appeal
Aug 15, 2025
Aug 15, 2025
Reply to appeal
Appeal
Apr 15, 2025
Apr 15, 2025
Apr 7, 2025
(Electronic) Receipt
Appeal
Apr 7, 2025
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Jan 29, 2025
(Electronic) Receipt
Appeal
Jan 29, 2025
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Notice of appeal
Appeal
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Means of redress
OPPO
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Jul 14, 2022
Decision to grant a European patent
Search/Exam
Jul 5, 2022
(Electronic) Receipt
Search/Exam
Jul 5, 2022
English translation of the claims
Search/Exam
Jul 5, 2022
Filing of the translations of the claims
Search/Exam
Jul 5, 2022
French translation of claims
Search/Exam
Jul 5, 2022
Letter accompanying subsequently filed items
Search/Exam
Jun 30, 2022
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Intention to grant (signatures)
Search/Exam
Mar 4, 2022
Text intended for grant (clean copy)
Search/Exam
Mar 4, 2022
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Feb 15, 2022
Letter accompanying subsequently filed items
Search/Exam
Feb 15, 2022
Feb 14, 2022
Examination started
Search/Exam
Sep 16, 2021
(Electronic) Receipt
Search/Exam
Sep 16, 2021
Sep 16, 2021
Amended description with annotations
Search/Exam
Sep 16, 2021
Amendments received before examination
Search/Exam
Sep 16, 2021
Letter accompanying subsequently filed items
Search/Exam
Jun 8, 2021
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Notification of forthcoming publication
Search/Exam
Mar 16, 2021
Communication to designated inventor
Search/Exam
Mar 11, 2021
Refund of fees
Search/Exam
Feb 17, 2021
Feb 17, 2021
European search opinion
Search/Exam
Feb 17, 2021
European search report
Search/Exam
Feb 17, 2021
Information on Search Strategy
Search/Exam
Feb 12, 2021
Modified abstract
Search/Exam
Feb 9, 2021
Search started
Search/Exam
Jan 20, 2021
Abstract
Search/Exam
Jan 20, 2021
Annex
Search/Exam
Jan 20, 2021
Claims
Search/Exam
Jan 20, 2021
Description
Search/Exam
Jan 20, 2021
Designation of inventor
Search/Exam
Jan 20, 2021
Drawings
Search/Exam
Jan 20, 2021
Request for grant of a European patent
Search/Exam
Oct 8, 2019
Priority search results copy provided by EPO
Search/Exam
Nov 15, 2018