Patent No. EP3670759 (titled "Device And Method For Laying Cables And / Or Lines In The Ground") was filed by Stehr on Oct 23, 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 |
|---|---|---|
| LAYJET MICRO ROHR VERLEGEGESELLSCHAFT | Aug 29, 2023 | WILDHACK |
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
Sep 15, 2025
Jun 10, 2025
Jun 6, 2025
Jun 2, 2025
Jun 2, 2025
May 26, 2025
May 26, 2025
May 26, 2025
Mar 25, 2025
Mar 25, 2025
Mar 25, 2025
Mar 25, 2025
Mar 25, 2025
Mar 25, 2025
Mar 25, 2025
Jan 18, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Oct 16, 2023
Sep 14, 2023
Sep 14, 2023
Sep 5, 2023
Sep 1, 2023
Sep 1, 2023
Aug 29, 2023
Aug 29, 2023
Aug 29, 2023
Aug 29, 2023
Aug 29, 2023
Aug 29, 2023
Aug 29, 2023
Aug 29, 2023
Aug 29, 2023
Aug 29, 2023
Aug 29, 2023
Aug 29, 2023
Aug 29, 2023
Aug 29, 2023
Aug 29, 2023
Aug 29, 2023
Aug 29, 2023
Aug 29, 2023
Aug 29, 2023
Aug 29, 2023
Aug 29, 2023
Aug 29, 2023
Aug 29, 2023
Aug 29, 2023
Aug 29, 2023
Dec 13, 2022
Nov 4, 2022
Sep 27, 2022
Sep 27, 2022
Sep 27, 2022
Sep 27, 2022
Jun 7, 2022
Jun 7, 2022
Jun 7, 2022
Jun 7, 2022
Jun 7, 2022
Jun 7, 2022
Apr 6, 2022
Apr 6, 2022
Apr 6, 2022
Apr 6, 2022
Apr 6, 2022
Mar 28, 2022
Mar 28, 2022
Mar 28, 2022
Mar 28, 2022
Mar 28, 2022
Mar 28, 2022
Mar 9, 2022
Feb 2, 2021
Feb 2, 2021
Jan 18, 2021
Dec 22, 2020
Dec 22, 2020
Dec 22, 2020
Dec 22, 2020
Dec 22, 2020
Dec 22, 2020
Dec 22, 2020
Dec 22, 2020
Dec 22, 2020
Jun 29, 2020
May 27, 2020
May 4, 2020
May 4, 2020
May 4, 2020
May 4, 2020
Apr 22, 2020
Oct 24, 2019
Oct 24, 2019
Oct 23, 2019
Oct 23, 2019
Oct 23, 2019
Oct 23, 2019
Oct 23, 2019
Oct 23, 2019
Oct 23, 2019