The weekly litigation news digest is live. Subscribe now
Patent No. EP3892901 (titled "Pressure Hose") was filed by Gates on Feb 15, 2019. The application was issued on Aug 16, 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 |
|---|---|---|
| SEMPERIT HOLDING | May 16, 2024 | MULLER SCHUPFNER & PARTNER PATENT UND RECHTSANWALTSPARTNERSCHAFT MBB MUC |
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 12, 2025
Dec 12, 2025
Dec 12, 2025
Dec 12, 2025
Dec 4, 2025
Dec 4, 2025
Dec 4, 2025
Nov 5, 2025
Oct 27, 2025
Oct 27, 2025
Oct 27, 2025
Oct 27, 2025
Jun 26, 2025
Jun 26, 2025
Jun 26, 2025
Jun 26, 2025
Jun 26, 2025
Jun 6, 2025
May 28, 2025
May 28, 2025
May 28, 2025
May 28, 2025
May 28, 2025
May 28, 2025
May 28, 2025
May 28, 2025
May 28, 2025
May 28, 2025
May 28, 2025
May 28, 2025
Jan 10, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Jul 10, 2024
Jul 10, 2024
Jun 26, 2024
Jun 26, 2024
Jun 26, 2024
Jun 4, 2024
Jun 4, 2024
May 24, 2024
May 16, 2024
May 16, 2024
May 16, 2024
May 16, 2024
May 16, 2024
May 16, 2024
May 16, 2024
May 16, 2024
May 16, 2024
May 16, 2024
May 16, 2024
May 16, 2024
May 16, 2024
May 16, 2024
May 16, 2024
May 16, 2024
Aug 29, 2023
Jul 20, 2023
Jul 11, 2023
Jul 11, 2023
Jul 11, 2023
Jul 11, 2023
Jul 11, 2023
Mar 2, 2023
Mar 2, 2023
Mar 2, 2023
Mar 2, 2023
Mar 2, 2023
Mar 2, 2023
Nov 9, 2022
Nov 9, 2022
Nov 9, 2022
Nov 9, 2022
Nov 9, 2022
Nov 9, 2022
Nov 9, 2022
Jul 6, 2022
Jul 6, 2022
Jul 1, 2022
Apr 11, 2022
Apr 11, 2022
Apr 11, 2022
Apr 11, 2022
Apr 11, 2022
Apr 11, 2022
Apr 11, 2022
Oct 18, 2021
Sep 15, 2021
Jul 20, 2021
Jul 15, 2021
Jul 15, 2021
Jul 15, 2021
Jul 15, 2021
Jul 5, 2021
Apr 30, 2021
Apr 30, 2021
Apr 30, 2021
Apr 30, 2021
Apr 30, 2021
Apr 30, 2021
Apr 30, 2021
Apr 30, 2021
Sep 10, 2019
Sep 10, 2019