Patent No. EP3519237 (titled "Power Supply System And Method For A Dc-Motor Driving A Hydraulic Pump") was filed by Brokk on Sep 25, 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.
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
Nov 28, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Sep 25, 2025
Sep 25, 2025
Sep 19, 2025
Sep 19, 2025
Sep 19, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Feb 4, 2025
Dec 10, 2024
Dec 9, 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
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Aug 2, 2023
Jul 25, 2023
Jul 25, 2023
Jul 25, 2023
Jul 25, 2023
Jul 25, 2023
Jul 25, 2023
Jul 25, 2023
Jul 25, 2023
Jul 25, 2023
Jun 22, 2023
Jun 22, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Mar 15, 2023
Mar 15, 2023
Mar 3, 2023
Feb 23, 2023
Feb 23, 2023
Feb 23, 2023
Feb 23, 2023
Feb 23, 2023
Feb 23, 2023
Feb 23, 2023
Feb 23, 2023
Feb 23, 2023
Feb 23, 2023
Feb 23, 2023
Feb 23, 2023
Feb 23, 2023
Feb 23, 2023
Feb 23, 2023
Feb 23, 2023
Jun 8, 2022
May 3, 2022
May 3, 2022
Apr 29, 2022
Apr 12, 2022
Apr 12, 2022
Apr 12, 2022
Apr 12, 2022
Jan 25, 2022
Jan 25, 2022
Jan 25, 2022
Jan 25, 2022
Jan 25, 2022
Dec 13, 2021
Jun 7, 2021
Jun 7, 2021
Nov 24, 2020
Nov 24, 2020
Nov 24, 2020
Nov 24, 2020
Nov 18, 2020
Nov 5, 2020
Nov 5, 2020
Nov 5, 2020
Nov 5, 2020
Nov 5, 2020
Nov 5, 2020
Nov 5, 2020
May 15, 2020
Apr 28, 2020
Apr 28, 2020
Apr 28, 2020
Apr 28, 2020
Apr 17, 2020
Jul 10, 2019
May 8, 2019
May 6, 2019
Apr 16, 2019
Apr 10, 2019
Apr 10, 2019
Feb 8, 2019
Apr 24, 2018
Apr 5, 2018
Apr 5, 2018