Patent No. EP3968806 (titled "Multi-Purpose Safety Shoe") was filed by U Power Group on May 12, 2020. The application was issued on May 1, 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 |
|---|---|---|
| DIADORA | Jan 31, 2025 | DRAGOTTI & ASSOCIATI |
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
Mar 12, 2026
Mar 12, 2026
Mar 12, 2026
Mar 12, 2026
Mar 12, 2026
Mar 12, 2026
Mar 12, 2026
Mar 12, 2026
Mar 12, 2026
Mar 12, 2026
Mar 12, 2026
Mar 12, 2026
Mar 12, 2026
Mar 11, 2026
Mar 11, 2026
Mar 11, 2026
Oct 7, 2025
Oct 7, 2025
Oct 7, 2025
Oct 7, 2025
Oct 7, 2025
Oct 7, 2025
Jun 26, 2025
Jun 17, 2025
Jun 17, 2025
Jun 17, 2025
Jun 17, 2025
Jun 17, 2025
Jun 17, 2025
Jun 17, 2025
Jun 17, 2025
Jun 17, 2025
Feb 18, 2025
Feb 18, 2025
Feb 5, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Nov 28, 2024
Nov 21, 2024
Nov 21, 2024
Nov 21, 2024
Jul 5, 2024
Jun 21, 2024
Jun 14, 2024
Jun 14, 2024
Jun 4, 2024
May 29, 2024
May 29, 2024
May 15, 2024
Apr 5, 2024
Mar 27, 2024
Mar 27, 2024
Mar 27, 2024
Mar 27, 2024
Mar 27, 2024
Nov 30, 2023
Nov 30, 2023
Nov 30, 2023
Nov 30, 2023
Nov 30, 2023
Nov 30, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Sep 8, 2023
Aug 1, 2023
Aug 1, 2023
Aug 1, 2023
Jul 7, 2023
Jul 5, 2023
Jul 4, 2023
Jul 4, 2023
Jul 4, 2023
Jul 4, 2023
Jun 1, 2023
May 18, 2023
May 18, 2023
May 18, 2023
Jan 19, 2023
Jan 13, 2023
May 9, 2022
May 9, 2022
May 9, 2022
Feb 23, 2022
Jan 3, 2022
Dec 6, 2021
Nov 16, 2021
Nov 16, 2021
Nov 16, 2021
Oct 1, 2021
Apr 30, 2021
Apr 30, 2021
Dec 14, 2020
Nov 26, 2020
Nov 26, 2020
Sep 10, 2020
Sep 10, 2020
Sep 10, 2020
Sep 10, 2020
Jun 16, 2020
Jun 6, 2020
Jun 6, 2020
Jun 6, 2020
Jun 6, 2020
Jun 6, 2020
Jun 6, 2020
Jun 6, 2020
Jun 6, 2020
Jun 6, 2020
Feb 14, 2020