Patent No. EP3974664 (titled "Low-Wear Screwstructure") was filed by BI Mirth on Sep 23, 2020. The application was issued on Jan 24, 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 |
|---|---|---|
| SCHWARZ & PARTNER PATENTANWALTE | Aug 27, 2024 | SCHWARZ & PARTNER PATENTANWALTE |
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 17, 2025
Dec 17, 2025
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Oct 15, 2025
Sep 19, 2025
Sep 19, 2025
Sep 16, 2025
Sep 11, 2025
Sep 11, 2025
Sep 11, 2025
Sep 11, 2025
Sep 11, 2025
Sep 10, 2025
Sep 10, 2025
Sep 9, 2025
Sep 8, 2025
Sep 8, 2025
Sep 8, 2025
Jul 23, 2025
Jul 15, 2025
Jul 15, 2025
Jul 15, 2025
Jul 10, 2025
Jul 7, 2025
Jul 7, 2025
Jul 7, 2025
Jul 7, 2025
Jul 2, 2025
Jul 2, 2025
Jul 2, 2025
Jul 2, 2025
Jul 2, 2025
Jul 2, 2025
Jul 2, 2025
Jul 2, 2025
Jul 2, 2025
Jul 2, 2025
Feb 14, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Jan 9, 2025
Jan 5, 2025
Jan 5, 2025
Jan 5, 2025
Jan 5, 2025
Jan 5, 2025
Jan 5, 2025
Jan 5, 2025
Jan 5, 2025
Jan 5, 2025
Jan 5, 2025
Jan 5, 2025
Jan 5, 2025
Jan 5, 2025
Jan 5, 2025
Jan 5, 2025
Jan 5, 2025
Jan 5, 2025
Sep 13, 2024
Sep 12, 2024
Sep 12, 2024
Sep 9, 2024
Sep 9, 2024
Sep 9, 2024
Sep 9, 2024
Sep 3, 2024
Sep 3, 2024
Sep 3, 2024
Sep 3, 2024
Sep 2, 2024
Sep 2, 2024
Aug 27, 2024
Aug 27, 2024
Aug 27, 2024
Aug 27, 2024
Aug 27, 2024
Aug 27, 2024
Aug 27, 2024
Aug 27, 2024
Aug 27, 2024
Aug 27, 2024
Aug 27, 2024
Aug 27, 2024
Aug 27, 2024
Aug 27, 2024
Feb 7, 2024
Jan 19, 2024
Dec 22, 2023
Dec 18, 2023
Dec 18, 2023
Dec 18, 2023
Dec 12, 2023
Nov 3, 2023
Oct 16, 2023
Aug 22, 2023
Aug 22, 2023
Aug 22, 2023
Aug 15, 2023
Aug 15, 2023
Aug 15, 2023
Aug 15, 2023
Aug 15, 2023
Jun 1, 2023
Jun 1, 2023
Jun 1, 2023
Jun 1, 2023
Jun 1, 2023
Jun 1, 2023
May 8, 2023
Feb 17, 2023
Feb 13, 2023
Feb 13, 2023
Feb 13, 2023
Feb 13, 2023
Feb 13, 2023
Feb 7, 2023
Feb 7, 2023
Feb 7, 2023
Feb 7, 2023
Feb 7, 2023
Feb 7, 2023
Feb 7, 2023
Feb 7, 2023
Feb 7, 2023
Apr 4, 2022
Mar 2, 2022
Dec 15, 2021
Dec 15, 2021
Dec 15, 2021
Dec 15, 2021
Dec 15, 2021
Dec 15, 2021
Dec 15, 2021
Dec 15, 2021
Mar 11, 2021
Mar 11, 2021
Mar 11, 2021
Mar 11, 2021
Feb 17, 2021
Dec 14, 2020
Sep 23, 2020
Sep 23, 2020
Sep 23, 2020
Sep 23, 2020
Sep 23, 2020
Sep 23, 2020
Sep 23, 2020