Patent No. EP3845313 (titled "Wide-Mouthed Fluid Connector For Hand-Held Spray Guns") was filed by 3M Innovative Properties Company on Jan 12, 2017. The application was issued on Nov 15, 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 |
|---|---|---|
| SATA | Aug 15, 2024 | MAIWALD PATENT- UND RECHTSANWALTSGESELLSCHAFT MBH |
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
Nov 5, 2026
Nov 5, 2026
Oct 29, 2026
Oct 29, 2026
Oct 27, 2026
Oct 27, 2026
Oct 27, 2026
Oct 27, 2026
Oct 27, 2026
Oct 27, 2026
Oct 27, 2026
Oct 27, 2026
Oct 27, 2026
Oct 27, 2026
Oct 27, 2026
Oct 27, 2026
Oct 27, 2026
Oct 27, 2026
Oct 13, 2026
Oct 8, 2026
Oct 7, 2026
Oct 5, 2026
Oct 5, 2026
Oct 5, 2026
Aug 10, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Jul 28, 2026
Jul 22, 2026
Aug 18, 2025
Aug 12, 2025
Aug 12, 2025
Aug 12, 2025
Aug 12, 2025
Apr 11, 2025
Apr 11, 2025
Apr 11, 2025
Apr 11, 2025
Apr 11, 2025
Mar 14, 2025
Mar 11, 2025
Mar 11, 2025
Mar 11, 2025
Jan 9, 2025
Dec 23, 2024
Dec 23, 2024
Dec 23, 2024
Dec 23, 2024
Dec 23, 2024
Dec 23, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 9, 2024
Sep 9, 2024
Sep 6, 2024
Sep 6, 2024
Sep 6, 2024
Aug 28, 2024
Aug 28, 2024
Aug 22, 2024
Aug 16, 2024
Aug 16, 2024
Aug 16, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Nov 28, 2023
Oct 19, 2023
Oct 4, 2023
Oct 4, 2023
Oct 4, 2023
Oct 4, 2023
Oct 4, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
May 26, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Feb 27, 2023
Oct 19, 2022
Oct 19, 2022
Oct 10, 2022
Jan 7, 2022
Jan 7, 2022
Jan 7, 2022
Jul 12, 2021
Jun 9, 2021
May 27, 2021
May 21, 2021
May 21, 2021
May 21, 2021
May 21, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Jan 27, 2021
Jan 27, 2021
Jan 27, 2021
Jan 27, 2021
Jan 27, 2021
Jan 27, 2021
Jan 27, 2021
Jan 27, 2021
Aug 8, 2017