Patent No. EP3701091 (titled "Specialized Civil Engineering Machine, In Particular Slotted Wall Milling Machine") was filed by Liebherr Werk Nenzing on Oct 17, 2019. The application was issued on Nov 30, 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 |
|---|---|---|
| BAUER MASCHINEN | Aug 7, 2023 | 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
Feb 23, 2026
Feb 23, 2026
Nov 19, 2025
Nov 19, 2025
Nov 19, 2025
Nov 19, 2025
Nov 19, 2025
Nov 19, 2025
Nov 19, 2025
Nov 19, 2025
Nov 19, 2025
Nov 19, 2025
Nov 19, 2025
Nov 19, 2025
Oct 28, 2025
Oct 22, 2025
Oct 22, 2025
Sep 24, 2025
Aug 14, 2025
Aug 11, 2025
Aug 11, 2025
Aug 11, 2025
Jul 29, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 21, 2025
Jul 16, 2025
Jul 16, 2025
Jul 16, 2025
Jul 10, 2025
Jul 2, 2025
Jul 2, 2025
Jul 2, 2025
Feb 13, 2025
Feb 13, 2025
Feb 13, 2025
Feb 13, 2025
Feb 13, 2025
Feb 13, 2025
Feb 13, 2025
Feb 28, 2024
Feb 22, 2024
Feb 22, 2024
Feb 22, 2024
Dec 14, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Sep 14, 2023
Sep 14, 2023
Aug 10, 2023
Aug 7, 2023
Aug 7, 2023
Aug 7, 2023
Aug 7, 2023
Aug 7, 2023
Aug 7, 2023
Aug 7, 2023
Aug 7, 2023
Aug 7, 2023
Aug 7, 2023
Aug 7, 2023
Aug 7, 2023
Aug 7, 2023
Aug 7, 2023
Aug 7, 2023
Dec 13, 2022
Nov 4, 2022
Sep 5, 2022
Sep 5, 2022
Sep 5, 2022
Sep 5, 2022
Jun 15, 2022
Jun 15, 2022
Jun 15, 2022
Jun 15, 2022
Jun 15, 2022
May 19, 2022
Jun 21, 2021
Jun 10, 2021
Jun 6, 2021
Jun 6, 2021
Apr 16, 2021
Apr 16, 2021
Apr 16, 2021
Feb 17, 2021
Feb 9, 2021
Feb 3, 2021
Dec 21, 2020
Dec 21, 2020
Dec 21, 2020
Sep 16, 2020
Sep 10, 2020
Sep 10, 2020
Aug 5, 2020
Aug 4, 2020
Jul 30, 2020
Jun 29, 2020
Jun 29, 2020
Jun 23, 2020
Jun 11, 2020
Jun 11, 2020
Jun 11, 2020
Jun 5, 2020
May 27, 2020
May 27, 2020
May 27, 2020
Dec 19, 2019
Dec 19, 2019
Nov 4, 2019
Oct 31, 2019
Oct 17, 2019
Oct 17, 2019
Oct 17, 2019
Oct 17, 2019
Oct 17, 2019
Oct 17, 2019
Oct 17, 2019