Patent No. EP3778276 (titled "Window Forming An Emergency Exit Of A Public Transport Vehicle") was filed by Speedinnov on Aug 11, 2020. The application was issued on Feb 23, 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 |
|---|---|---|
| SIEMENS MOBILITY | Nov 22, 2022 | SIEMENS PATENT ATTORNEYS |
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
Jan 26, 2026
Jan 23, 2026
Jan 20, 2026
Jan 20, 2026
Jan 16, 2026
Jan 16, 2026
Jan 15, 2026
Jan 15, 2026
Jan 15, 2026
Jan 13, 2026
Jan 13, 2026
Jan 13, 2026
Jan 13, 2026
Jan 13, 2026
Dec 15, 2025
Dec 11, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Nov 27, 2025
Nov 27, 2025
Nov 27, 2025
Nov 27, 2025
Sep 24, 2025
Sep 24, 2025
Jul 4, 2025
Jul 4, 2025
Jul 1, 2025
Jun 1, 2025
Apr 2, 2025
Mar 28, 2025
Mar 28, 2025
Mar 28, 2025
Nov 29, 2024
Nov 26, 2024
Nov 26, 2024
Nov 26, 2024
Nov 26, 2024
Nov 26, 2024
Nov 26, 2024
Nov 26, 2024
Nov 26, 2024
Nov 26, 2024
Nov 26, 2024
Nov 26, 2024
Oct 10, 2024
Oct 10, 2024
Oct 4, 2024
Oct 4, 2024
Oct 4, 2024
Aug 6, 2024
Aug 6, 2024
Aug 6, 2024
Aug 6, 2024
Aug 6, 2024
Aug 6, 2024
Aug 6, 2024
Aug 6, 2024
Aug 6, 2024
Aug 6, 2024
Aug 6, 2024
Aug 6, 2024
Jul 4, 2024
May 7, 2024
May 3, 2024
May 2, 2024
May 2, 2024
May 2, 2024
Apr 30, 2024
Apr 30, 2024
Apr 30, 2024
Apr 30, 2024
Apr 30, 2024
Apr 30, 2024
Apr 30, 2024
Apr 30, 2024
Apr 30, 2024
Apr 30, 2024
Apr 30, 2024
Apr 30, 2024
Apr 30, 2024
Apr 30, 2024
Dec 13, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Nov 28, 2023
Nov 23, 2023
Nov 23, 2023
Nov 23, 2023
Apr 18, 2023
Apr 11, 2023
Apr 11, 2023
Apr 11, 2023
Apr 11, 2023
Apr 11, 2023
Apr 11, 2023
Apr 11, 2023
Apr 11, 2023
Apr 11, 2023
Apr 11, 2023
Apr 11, 2023
Feb 21, 2023
Feb 17, 2023
Feb 8, 2023
Feb 8, 2023
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 9, 2022
Dec 9, 2022
Dec 9, 2022
Dec 9, 2022
Dec 9, 2022
Nov 30, 2022
Nov 30, 2022
Nov 22, 2022
Nov 22, 2022
Nov 22, 2022
Nov 22, 2022
Nov 22, 2022
Nov 22, 2022
Nov 22, 2022
Nov 22, 2022
Nov 22, 2022
Nov 22, 2022
Nov 22, 2022
Nov 22, 2022
Nov 22, 2022
Nov 22, 2022
Mar 9, 2022
Jan 27, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Jan 18, 2022
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Jun 16, 2021
Jun 16, 2021
Jun 16, 2021
Jun 16, 2021
Jun 16, 2021
Jun 16, 2021
Jun 16, 2021
May 12, 2021
May 12, 2021
May 4, 2021
Feb 22, 2021
Feb 15, 2021
Feb 15, 2021
Feb 15, 2021
Feb 15, 2021
Feb 15, 2021
Feb 2, 2021
Feb 2, 2021
Jan 27, 2021
Jan 20, 2021
Dec 9, 2020
Dec 9, 2020
Dec 9, 2020
Dec 9, 2020
Dec 1, 2020
Oct 27, 2020
Oct 27, 2020
Oct 2, 2020
Oct 2, 2020
Aug 14, 2020
Aug 11, 2020
Aug 11, 2020
Aug 11, 2020
Aug 11, 2020
Aug 11, 2020
Aug 11, 2020
Aug 11, 2020
Aug 11, 2020