Patent No. EP3851347 (titled "Brake Master Cylinder, Preferably For A Handlebar Vehicle") was filed by DI Accossato Giovanni on Sep 28, 2020. The application was issued on Aug 16, 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.
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 30, 2026
Jan 30, 2026
Jan 30, 2026
Sep 26, 2025
Sep 23, 2025
Sep 23, 2025
Sep 23, 2025
Sep 23, 2025
Sep 23, 2025
Sep 23, 2025
Sep 23, 2025
Sep 23, 2025
Sep 23, 2025
Sep 23, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Jan 27, 2025
Oct 15, 2024
Oct 8, 2024
Oct 7, 2024
Oct 7, 2024
Oct 7, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
Sep 30, 2024
May 29, 2024
May 29, 2024
May 22, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
Sep 20, 2023
Aug 29, 2023
Jul 20, 2023
Jul 7, 2023
Jul 7, 2023
Jul 7, 2023
Jul 7, 2023
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Oct 17, 2022
Oct 17, 2022
Oct 17, 2022
Oct 17, 2022
Oct 17, 2022
Jun 7, 2022
Jun 7, 2022
May 31, 2022
May 6, 2022
Apr 21, 2022
Apr 21, 2022
Apr 21, 2022
Apr 21, 2022
Apr 21, 2022
Apr 21, 2022
Apr 21, 2022
Feb 11, 2022
Jan 21, 2022
Jan 21, 2022
Jul 26, 2021
Jun 23, 2021
Jun 22, 2021
Jun 17, 2021
Jun 10, 2021
Jun 10, 2021
Jun 10, 2021
May 25, 2021
May 25, 2021
May 25, 2021
Mar 17, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 26, 2021
Feb 17, 2021
Nov 30, 2020
Nov 30, 2020
Nov 30, 2020
Nov 30, 2020
Nov 30, 2020
Nov 20, 2020
Oct 21, 2020
Oct 21, 2020
Oct 21, 2020
Sep 28, 2020
Sep 28, 2020
Sep 28, 2020
Sep 28, 2020
Sep 28, 2020
Sep 28, 2020