Patent No. EP3842230 (titled "Pneumatic Braking Control System Comprising A Unitary Component, And Railroad Vehicle Using The Same") was filed by Alstom on Dec 23, 2019. The application was issued on Mar 6, 2024.

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 |
|---|---|---|
| FAIVELEY TRANSPORT ITALIA | Dec 6, 2024 | CRISTINELLI |
| KNORR BREMSE SYSTEME FUR SCHIENENFAHRZEUGE | Dec 4, 2024 | PRUFER & PARTNER MBB PATENTANWALTE RECHTSANWALTE |
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
Feb 23, 2026
Feb 23, 2026
Feb 23, 2026
Feb 13, 2026
Feb 13, 2026
Feb 13, 2026
Feb 13, 2026
Feb 13, 2026
Feb 13, 2026
Feb 13, 2026
Feb 13, 2026
Feb 13, 2026
Feb 13, 2026
Feb 13, 2026
Feb 13, 2026
Feb 13, 2026
Feb 13, 2026
Jan 20, 2026
Jan 20, 2026
Jan 15, 2026
Jan 15, 2026
Jan 15, 2026
Jan 15, 2026
Jan 15, 2026
Jan 15, 2026
Jan 15, 2026
Jan 15, 2026
Jan 15, 2026
Jan 15, 2026
Jan 15, 2026
Jan 15, 2026
Oct 1, 2025
Oct 1, 2025
Oct 1, 2025
Oct 1, 2025
Oct 1, 2025
Oct 1, 2025
Oct 1, 2025
Oct 1, 2025
Oct 1, 2025
Jun 4, 2025
Jun 4, 2025
May 26, 2025
May 26, 2025
May 26, 2025
Apr 16, 2025
Apr 16, 2025
Apr 8, 2025
Apr 8, 2025
Apr 8, 2025
Apr 8, 2025
Apr 8, 2025
Apr 8, 2025
Apr 8, 2025
Apr 8, 2025
Apr 8, 2025
Apr 8, 2025
Apr 8, 2025
Feb 12, 2025
Feb 12, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Dec 20, 2024
Dec 20, 2024
Dec 20, 2024
Dec 11, 2024
Dec 9, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Mar 19, 2024
Feb 8, 2024
Jan 26, 2024
Jan 26, 2024
Jan 26, 2024
Jan 26, 2024
Jan 26, 2024
Oct 4, 2023
Oct 4, 2023
Oct 4, 2023
Oct 4, 2023
Oct 4, 2023
Oct 4, 2023
Sep 8, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Nov 3, 2022
Nov 3, 2022
Nov 3, 2022
Nov 3, 2022
Nov 3, 2022
Nov 3, 2022
Nov 3, 2022
Jul 22, 2022
Jul 22, 2022
Jul 15, 2022
Jul 5, 2021
Jun 16, 2021
Jun 16, 2021
Jun 2, 2021
Jun 23, 2020
Jun 23, 2020
Jun 23, 2020
Jun 23, 2020
Jun 23, 2020
Jun 23, 2020
Jun 23, 2020
May 19, 2020
May 19, 2020
May 19, 2020
May 19, 2020
Feb 14, 2020
Feb 14, 2020
Jan 24, 2020
Dec 23, 2019
Dec 23, 2019
Dec 23, 2019
Dec 23, 2019
Dec 23, 2019
Dec 23, 2019
Dec 23, 2019