Patent No. EP4164999 (titled "Composition For Treating A Concrete Surface") was filed by Fabrino Produktionsgesellschaft on Jun 25, 2020. The application was issued on Dec 20, 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 |
|---|---|---|
| ALPIN CHEMIE | Sep 16, 2024 | PATENTANWALTZKANZLEI HUTZELMANN |
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
Apr 16, 2026
Apr 10, 2026
Apr 10, 2026
Apr 10, 2026
Apr 10, 2026
Apr 10, 2026
Apr 10, 2026
Apr 10, 2026
Apr 10, 2026
Apr 10, 2026
Apr 10, 2026
Apr 10, 2026
Apr 10, 2026
Apr 10, 2026
Apr 10, 2026
Apr 10, 2026
Apr 10, 2026
Apr 10, 2026
Feb 11, 2026
Feb 11, 2026
Feb 5, 2026
Feb 5, 2026
Feb 5, 2026
Dec 22, 2025
Dec 22, 2025
Dec 22, 2025
Dec 16, 2025
Dec 16, 2025
Dec 16, 2025
Dec 16, 2025
Dec 16, 2025
Dec 12, 2025
Dec 12, 2025
Dec 12, 2025
Dec 12, 2025
Dec 12, 2025
Dec 12, 2025
Dec 12, 2025
Dec 12, 2025
Dec 12, 2025
Dec 12, 2025
Dec 12, 2025
Dec 12, 2025
Dec 10, 2025
Nov 20, 2025
Nov 14, 2025
Nov 12, 2025
Nov 12, 2025
Nov 12, 2025
Oct 14, 2025
Oct 9, 2025
Oct 9, 2025
Oct 9, 2025
Sep 25, 2025
Sep 19, 2025
Sep 19, 2025
Sep 19, 2025
Apr 10, 2025
Apr 10, 2025
Apr 10, 2025
Apr 10, 2025
Apr 10, 2025
Nov 28, 2024
Nov 25, 2024
Nov 25, 2024
Nov 25, 2024
Oct 7, 2024
Oct 7, 2024
Sep 20, 2024
Sep 16, 2024
Sep 16, 2024
Sep 16, 2024
Sep 16, 2024
Sep 16, 2024
Sep 16, 2024
Sep 16, 2024
Sep 16, 2024
Sep 16, 2024
Sep 16, 2024
Sep 16, 2024
Sep 16, 2024
Sep 16, 2024
Jan 9, 2024
Jan 4, 2024
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Nov 23, 2023
Sep 19, 2023
Sep 19, 2023
Sep 19, 2023
Sep 19, 2023
Sep 19, 2023
Jul 25, 2023
Jul 25, 2023
Jul 25, 2023
Jul 25, 2023
Jul 25, 2023
Jul 25, 2023
Jul 7, 2023
Mar 22, 2023
Jan 12, 2023
Jan 9, 2023
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Nov 4, 2022
Dec 30, 2021
Dec 30, 2021
Dec 30, 2021
Apr 8, 2021
Apr 8, 2021
Apr 8, 2021
Apr 8, 2021
Apr 8, 2021
Apr 8, 2021
Aug 25, 2020
Aug 25, 2020
Jul 24, 2020
Jul 11, 2020
Jul 11, 2020
Jul 11, 2020
Jul 11, 2020
Jul 11, 2020
Jul 11, 2020