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The patent EP3626555 was granted to Knorr Bremse Systeme FR Nutzfahrzeuge on Jul 20, 2022. The application was filed on Sep 18, 2018 under application number EP18195300A. 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 |
|---|---|---|---|
| ZF CV SYSTEMS EUROPE | Apr 20, 2023 | BREMER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102006010713 |
| OPPOSITION | DE102014013756 |
| OPPOSITION | DE102017102021 |
| OPPOSITION | EP1369338 |
| OPPOSITION | JP2000190863 |
| OPPOSITION | JPH11334559 |
| OPPOSITION | US2012283907 |
| OPPOSITION | US2018099694 |
| OPPOSITION | WO2004098967 |
| OPPOSITION | WO2017058707 |
| OPPOSITION | WO2018046644 |
| SEARCH | DE102017102021 |
| SEARCH | US2018099694 |
| SEARCH | WO2004098967 |
| SEARCH | WO2017058707 |
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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Dec 9, 2025
Dec 3, 2025
(Electronic) Receipt
Appeal
Dec 3, 2025
Dec 3, 2025
Nov 26, 2025
Nov 20, 2025
(Electronic) Receipt
Appeal
Nov 20, 2025
Nov 3, 2025
Nov 3, 2025
Oct 29, 2025
Oct 13, 2025
Oct 7, 2025
(Electronic) Receipt
Appeal
Oct 7, 2025
Oct 7, 2025
Reply to appeal
Appeal
Aug 12, 2025
Aug 7, 2025
(Electronic) Receipt
Appeal
Aug 7, 2025
Aug 7, 2025
Aug 7, 2025
Aug 7, 2025
Reply to appeal
Appeal
Jul 24, 2025
Apr 7, 2025
Apr 2, 2025
(Electronic) Receipt
Appeal
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
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Apr 2, 2025
Feb 20, 2025
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Feb 14, 2025
(Electronic) Receipt
Appeal
Feb 14, 2025
Feb 14, 2025
Notice of appeal
Appeal
Dec 17, 2024
Dec 17, 2024
Dec 17, 2024
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Means of redress
OPPO
Dec 17, 2024
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Dec 23, 2022
Dec 19, 2022
Letter accompanying subsequently filed items
Search/Exam
Dec 19, 2022
Oct 13, 2022
Document concerning representation
Search/Exam
Aug 2, 2022
Jun 23, 2022
Decision to grant a European patent
Search/Exam
Jun 8, 2022
(Electronic) Receipt
Search/Exam
Jun 8, 2022
Filing of the translations of the claims
Search/Exam
Jun 8, 2022
French translation of claims
Search/Exam
Jun 8, 2022
German translation of the claims
Search/Exam
Feb 11, 2022
Feb 11, 2022
Feb 11, 2022
Intention to grant (signatures)
Search/Exam
Feb 11, 2022
Text intended for grant (clean copy)
Search/Exam
Feb 11, 2022
Nov 20, 2021
Examination started
Search/Exam
Jul 23, 2020
(Electronic) Receipt
Search/Exam
Jul 23, 2020
Jul 23, 2020
Amended claims with annotations
Search/Exam
Jul 23, 2020
Amendments received before examination
Search/Exam
Jul 23, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 30, 2020
Feb 26, 2020
Notification of forthcoming publication
Search/Exam
Mar 4, 2019
Mar 4, 2019
European search opinion
Search/Exam
Mar 4, 2019
European search report
Search/Exam
Mar 4, 2019
Information on Search Strategy
Search/Exam
Feb 21, 2019
Search started
Search/Exam
Nov 26, 2018
Submission concerning representation
Search/Exam
Nov 9, 2018
Communication to designated inventor
Search/Exam
Nov 9, 2018
Communication to designated inventor
Search/Exam
Nov 9, 2018
Communication to designated inventor
Search/Exam
Sep 18, 2018
Abstract
Search/Exam
Sep 18, 2018
Sep 18, 2018
Claims
Search/Exam
Sep 18, 2018
Description
Search/Exam
Sep 18, 2018
Designation of inventor
Search/Exam
Sep 18, 2018
Drawings
Search/Exam
Sep 18, 2018
Request for grant of a European patent
Search/Exam