Patent No. EP3467209 (titled "Excavation Tool For Making Diaphragms And Related Excavation Equipment") was filed by Soilmec on Oct 3, 2018. The application was issued on Jun 28, 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 |
|---|---|---|
| BAUER MASCHINEN | Mar 27, 2024 | WUNDERLICH & HEIM PATENTANWALTE PARTG 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
Get instant alerts for new documents
Dec 15, 2025
Dec 15, 2025
Dec 15, 2025
Dec 15, 2025
Dec 15, 2025
Dec 15, 2025
Dec 15, 2025
Dec 15, 2025
Dec 15, 2025
Dec 15, 2025
Dec 15, 2025
Dec 15, 2025
Dec 15, 2025
Dec 15, 2025
Dec 15, 2025
Nov 18, 2025
Oct 20, 2025
Sep 16, 2025
Sep 11, 2025
Sep 11, 2025
Sep 11, 2025
Sep 3, 2025
Aug 28, 2025
Aug 28, 2025
Aug 28, 2025
Aug 27, 2025
Aug 22, 2025
Aug 22, 2025
Aug 22, 2025
Feb 27, 2025
Feb 27, 2025
Feb 27, 2025
Feb 27, 2025
Feb 27, 2025
Feb 27, 2025
Feb 27, 2025
Feb 24, 2025
Feb 21, 2025
Feb 21, 2025
Feb 19, 2025
Feb 13, 2025
Feb 13, 2025
Feb 13, 2025
Feb 11, 2025
Feb 11, 2025
Feb 11, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 4, 2025
Feb 4, 2025
Feb 4, 2025
Feb 4, 2025
Feb 4, 2025
Feb 4, 2025
Feb 4, 2025
Sep 26, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
Sep 23, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
Apr 3, 2024
Apr 3, 2024
Mar 27, 2024
Mar 27, 2024
Mar 27, 2024
Mar 27, 2024
Mar 27, 2024
Mar 27, 2024
Mar 27, 2024
Mar 27, 2024
Mar 27, 2024
Mar 27, 2024
Mar 27, 2024
Mar 27, 2024
Mar 27, 2024
Mar 27, 2024
Mar 27, 2024
Mar 27, 2024
Jul 11, 2023
Jun 2, 2023
May 18, 2023
May 18, 2023
May 18, 2023
May 18, 2023
Feb 7, 2023
Feb 7, 2023
Feb 7, 2023
Feb 7, 2023
Feb 7, 2023
Feb 7, 2023
Dec 23, 2022
Jun 21, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Aug 5, 2021
Aug 5, 2021
Aug 5, 2021
Jul 27, 2020
Jul 20, 2020
Jul 20, 2020
Jul 20, 2020
Mar 4, 2020
Feb 24, 2020
Feb 24, 2020
Feb 24, 2020
Oct 8, 2019
Oct 8, 2019
Oct 8, 2019
Oct 8, 2019
Oct 8, 2019
Oct 8, 2019
Apr 15, 2019
Mar 13, 2019
Feb 20, 2019
Feb 12, 2019
Feb 12, 2019
Feb 12, 2019
Feb 12, 2019
Nov 26, 2018
Nov 26, 2018
Nov 26, 2018
Nov 26, 2018
Nov 26, 2018
Nov 26, 2018
Nov 14, 2018
Nov 14, 2018
Nov 14, 2018
Nov 14, 2018
Nov 14, 2018
Nov 12, 2018
Nov 12, 2018
Nov 12, 2018
Nov 12, 2018
Nov 12, 2018
Oct 24, 2018
Oct 24, 2018
Oct 3, 2018
Oct 3, 2018
Oct 3, 2018
Oct 3, 2018
Oct 3, 2018
Oct 3, 2018
Jun 4, 2018