Patent No. EP3445625 (titled "Driver Brake Valve, Compressed-Air Brake System Having The Driver Brake Valve, And Method For Producing The Driver Brake Valve") was filed by Wabco Europe Bvba on Mar 6, 2017. The application was issued on May 25, 2022.

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 |
|---|---|---|
| KNORR BREMSE SYSTEME FUR NUTZFAHRZEUGE | Feb 1, 2023 | WIEDEMANN |
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
Get instant alerts for new documents
Dec 21, 2025
Dec 18, 2025
Dec 18, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 11, 2025
Dec 4, 2025
Dec 4, 2025
Dec 4, 2025
Dec 4, 2025
Oct 8, 2025
Oct 8, 2025
Oct 1, 2025
Oct 1, 2025
Sep 29, 2025
Sep 29, 2025
Sep 24, 2025
Sep 24, 2025
Sep 24, 2025
Aug 11, 2025
Aug 11, 2025
Aug 11, 2025
Aug 11, 2025
Aug 11, 2025
Aug 11, 2025
Aug 11, 2025
Aug 11, 2025
Aug 11, 2025
Aug 11, 2025
Aug 11, 2025
Aug 11, 2025
Aug 11, 2025
Aug 11, 2025
Aug 11, 2025
Jul 2, 2025
Jun 5, 2025
Jun 4, 2025
Jun 4, 2025
Jun 4, 2025
May 9, 2025
May 9, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Nov 5, 2024
Nov 5, 2024
Nov 5, 2024
Nov 5, 2024
Nov 5, 2024
Nov 5, 2024
Apr 10, 2024
Apr 3, 2024
Apr 3, 2024
Apr 3, 2024
Apr 3, 2024
Apr 3, 2024
Apr 3, 2024
Apr 3, 2024
Apr 3, 2024
Mar 27, 2024
Mar 27, 2024
Mar 27, 2024
Sep 18, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Jul 6, 2023
May 10, 2023
May 10, 2023
May 3, 2023
May 3, 2023
May 2, 2023
May 2, 2023
Apr 25, 2023
Apr 25, 2023
Apr 25, 2023
Apr 25, 2023
Mar 22, 2023
Mar 6, 2023
Mar 6, 2023
Mar 6, 2023
Mar 6, 2023
Feb 22, 2023
Feb 14, 2023
Feb 14, 2023
Feb 14, 2023
Feb 8, 2023
Feb 1, 2023
Feb 1, 2023
Feb 1, 2023
Feb 1, 2023
Feb 1, 2023
Feb 1, 2023
Feb 1, 2023
Feb 1, 2023
Feb 1, 2023
Feb 1, 2023
Feb 1, 2023
Feb 1, 2023
Feb 1, 2023
Feb 1, 2023
Feb 1, 2023
Feb 1, 2023
Jun 8, 2022
Apr 29, 2022
Apr 11, 2022
Apr 11, 2022
Apr 11, 2022
Apr 11, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Dec 15, 2021
Apr 26, 2021
Apr 26, 2021
Mar 3, 2021
Mar 3, 2021
May 3, 2019
May 3, 2019
May 3, 2019
May 3, 2019
May 3, 2019
Jan 30, 2019
Nov 29, 2018
Nov 27, 2018
Nov 27, 2018
Nov 7, 2018
Jul 23, 2018
Jul 5, 2018
Jul 5, 2018
Jul 5, 2018
Apr 5, 2018
Apr 5, 2018
Nov 13, 2017
Oct 26, 2017
Oct 26, 2017
Oct 26, 2017
May 23, 2017
May 23, 2017
May 23, 2017
Mar 16, 2017
Mar 6, 2017
Mar 6, 2017
Mar 6, 2017
Mar 6, 2017
Mar 6, 2017
Mar 6, 2017
Mar 6, 2017