Patent No. EP4100293 (titled "Rail Vehicle With Fully Integrated Wheelchair Zone") was filed by Siemens Mobility on Mar 5, 2021. The application was issued on Nov 1, 2023.

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 |
|---|---|---|
| ALSTOM | Jul 31, 2024 | ZIMMERMANN & PARTNER PATENTANWALTE MBB |
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
Sep 28, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 24, 2026
Sep 22, 2026
Sep 21, 2026
Sep 21, 2026
Sep 21, 2026
Sep 21, 2026
Sep 21, 2026
Sep 21, 2026
Sep 21, 2026
Sep 21, 2026
Sep 21, 2026
Mar 30, 2026
Mar 30, 2026
Mar 30, 2026
Mar 30, 2026
Mar 30, 2026
Sep 4, 2025
Aug 20, 2025
Aug 20, 2025
Aug 20, 2025
Aug 20, 2025
Mar 17, 2025
Mar 11, 2025
Mar 11, 2025
Mar 11, 2025
Mar 11, 2025
Mar 11, 2025
Mar 11, 2025
Mar 11, 2025
Dec 18, 2024
Dec 12, 2024
Dec 12, 2024
Dec 12, 2024
Aug 16, 2024
Aug 16, 2024
Aug 5, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Nov 14, 2023
Oct 6, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Jun 27, 2023
Jun 27, 2023
Jun 27, 2023
Jun 27, 2023
Jun 27, 2023
Jun 27, 2023
Jun 3, 2023
Feb 1, 2023
Jan 26, 2023
Jan 26, 2023
Nov 16, 2022
Oct 24, 2022
Oct 6, 2022
Sep 30, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Aug 19, 2022
Nov 1, 2021
Oct 14, 2021
Oct 14, 2021
Oct 14, 2021
Jun 16, 2021
Jun 16, 2021
Jun 16, 2021
Jun 16, 2021
Jun 16, 2021
Apr 8, 2021
Mar 26, 2021
Mar 22, 2021
Mar 19, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021