Patent No. EP3901383 (titled "A Controller") was filed by JC Bamford Excavators on Mar 30, 2021. The application was issued on Aug 7, 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 |
|---|---|---|
| MANITOU BF | May 6, 2025 | IPSILON |
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 19, 2026
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Sep 24, 2025
Sep 19, 2025
Sep 19, 2025
Sep 19, 2025
Sep 19, 2025
Sep 19, 2025
Sep 19, 2025
Sep 19, 2025
Sep 19, 2025
Sep 19, 2025
Sep 19, 2025
Sep 19, 2025
Sep 19, 2025
Sep 19, 2025
Sep 19, 2025
Sep 19, 2025
Sep 19, 2025
Sep 19, 2025
Sep 19, 2025
Sep 19, 2025
Sep 19, 2025
Sep 19, 2025
Sep 19, 2025
Sep 19, 2025
Sep 19, 2025
Sep 19, 2025
Jun 5, 2025
May 30, 2025
May 30, 2025
May 23, 2025
May 23, 2025
May 23, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 13, 2025
May 12, 2025
May 7, 2025
May 7, 2025
May 7, 2025
May 7, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
May 6, 2025
Aug 21, 2024
Jul 11, 2024
Jun 26, 2024
Jun 26, 2024
Jun 26, 2024
Jun 26, 2024
Jun 26, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Feb 6, 2024
Sep 14, 2023
Aug 31, 2023
Aug 31, 2023
Aug 31, 2023
Aug 10, 2022
Aug 10, 2022
Aug 10, 2022
Aug 10, 2022
Aug 10, 2022
Aug 10, 2022
Aug 10, 2022
Jun 22, 2022
Jun 14, 2022
Feb 28, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Nov 11, 2021
Nov 11, 2021
Nov 11, 2021
Sep 29, 2021
Sep 16, 2021
Aug 26, 2021
Apr 1, 2021
Mar 30, 2021
Mar 30, 2021
Mar 30, 2021
Mar 30, 2021
Mar 30, 2021
Mar 30, 2021
Mar 30, 2021