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The patent EP3668764 was granted to Wabco on Jun 16, 2021. The application was filed on May 31, 2018 under application number EP18730289A. 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 |
|---|---|---|---|
| KNORR BREMSE SYSTEME FUR NUTZFAHRZEUGE | Jan 19, 2022 | WIEDEMANN | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE10133440 |
| DESCRIPTION | DE102010021909 |
| INTERNATIONAL-SEARCH-REPORT | DE102010021909 |
| INTERNATIONAL-SEARCH-REPORT | EP1132274 |
| OPPOSITION | DE102005062907 |
| OPPOSITION | DE102008009043 |
| OPPOSITION | DE102008029311 |
| OPPOSITION | DE3603143 |
| OPPOSITION | DE4227084 |
| OPPOSITION | DE4339570 |
| OPPOSITION | EP1132274 |
| OPPOSITION | EP2576297 |
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 27, 2025
Aug 21, 2025
(Electronic) Receipt
Appeal
Aug 21, 2025
Aug 21, 2025
Claims
Appeal
Aug 21, 2025
Aug 21, 2025
Aug 14, 2025
Jul 29, 2025
(Electronic) Receipt
Appeal
Jul 29, 2025
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(Electronic) Receipt
Appeal
Jul 16, 2025
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Jun 10, 2025
Jun 4, 2025
(Electronic) Receipt
Appeal
Jun 4, 2025
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Jan 17, 2025
(Electronic) Receipt
Appeal
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Reply to appeal
Appeal
Oct 24, 2024
Oct 16, 2024
(Electronic) Receipt
Appeal
Oct 16, 2024
Oct 16, 2024
Oct 16, 2024
Aug 16, 2024
Aug 16, 2024
Aug 12, 2024
(Electronic) Receipt
Appeal
Aug 12, 2024
Aug 12, 2024
Notice of appeal
Appeal
Jul 1, 2024
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Authorisation
OPPO
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Letter accompanying subsequently filed items
Search/Exam
Sep 29, 2021
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May 19, 2021
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Decision to grant a European patent
Search/Exam
Mar 19, 2021
(Electronic) Receipt
Search/Exam
Mar 19, 2021
English translation of the claims
Search/Exam
Mar 19, 2021
Filing of the translations of the claims
Search/Exam
Mar 19, 2021
French translation of claims
Search/Exam
Mar 3, 2021
Annexes in respect of a client data request
Search/Exam
Mar 3, 2021
Feb 24, 2021
Document concerning representation
Search/Exam
Feb 11, 2021
Feb 11, 2021
Feb 11, 2021
Intention to grant (signatures)
Search/Exam
Feb 11, 2021
Text intended for grant (clean copy)
Search/Exam
Feb 11, 2021
Jan 12, 2021
Examination started
Search/Exam
Nov 12, 2020
(Electronic) Receipt
Search/Exam
Nov 12, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 12, 2020
Priority search results
Search/Exam
Nov 12, 2020
Nov 11, 2020
May 27, 2020
May 12, 2020
Communication to designated inventor
Search/Exam
May 5, 2020
(Electronic) Receipt
Search/Exam
May 5, 2020
Letter concerning the inventor
Search/Exam
Apr 29, 2020
Apr 21, 2020
Letter which had not been notified
Search/Exam
Mar 26, 2020
Mar 24, 2020
Communication to designated inventor
Search/Exam
Mar 24, 2020
Communication to designated inventor
Search/Exam
Mar 24, 2020
Communication to designated inventor
Search/Exam
Mar 2, 2020
Dec 18, 2019
Information regarding early processing
Search/Exam
Dec 2, 2019
(Electronic) Receipt
Search/Exam
Dec 2, 2019
Request for entry into the European phase
Search/Exam
Mar 13, 2019
Feb 21, 2019
Copy of the international search report
Search/Exam
Feb 21, 2019
Copy of the international search report
Search/Exam
Feb 21, 2019
Published international application - A1
Search/Exam
Sep 11, 2018
Sep 11, 2018
Sep 11, 2018
Jun 26, 2018
Jun 18, 2018
May 31, 2018
(Electronic) Receipt
PCTRO
May 31, 2018
Abstract
PCTRO
May 31, 2018
Claims
PCTRO
May 31, 2018
Description
PCTRO
May 31, 2018
May 31, 2018
Drawings
PCTRO
May 31, 2018