Patent No. EP3642371 (titled "Method For Producing A Steel Component Provided With A Metallic Coating Protecting Against Corrosion") was filed by Thyssenkrupp on Jun 12, 2018. The application was issued on Oct 25, 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 |
|---|---|---|
| ARCELORMITTAL | Jul 24, 2024 | LAVOIX |
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
Feb 17, 2026
Feb 12, 2026
Feb 12, 2026
Feb 12, 2026
Feb 12, 2026
Feb 12, 2026
Feb 12, 2026
Dec 16, 2025
Dec 16, 2025
Dec 16, 2025
Dec 16, 2025
Dec 16, 2025
Dec 3, 2025
Nov 28, 2025
Nov 28, 2025
Nov 28, 2025
Nov 28, 2025
Nov 28, 2025
Nov 28, 2025
Nov 28, 2025
Nov 28, 2025
Dec 6, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Aug 8, 2024
Aug 8, 2024
Jul 29, 2024
Jul 24, 2024
Jul 24, 2024
Jul 24, 2024
Jul 24, 2024
Jul 24, 2024
Jul 24, 2024
Jul 24, 2024
Jul 24, 2024
Jul 24, 2024
Jul 24, 2024
Jul 24, 2024
Jul 24, 2024
Jul 24, 2024
Nov 8, 2023
Sep 28, 2023
Sep 13, 2023
Sep 13, 2023
Sep 13, 2023
Sep 13, 2023
Jul 24, 2023
Jul 24, 2023
Jul 24, 2023
Jun 27, 2023
Jun 27, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 7, 2023
Jun 7, 2023
Jun 7, 2023
Jun 7, 2023
Jun 7, 2023
Jun 7, 2023
Oct 18, 2022
Oct 18, 2022
Oct 18, 2022
Oct 18, 2022
Oct 18, 2022
Oct 18, 2022
Oct 18, 2022
Jun 17, 2022
Jun 17, 2022
Mar 15, 2022
Mar 15, 2022
Mar 15, 2022
Jun 7, 2021
Jun 7, 2021
Jun 7, 2021
Jun 7, 2021
Jun 7, 2021
Mar 2, 2021
Mar 2, 2021
Feb 23, 2021
Sep 18, 2020
Sep 18, 2020
Sep 18, 2020
Sep 18, 2020
Sep 16, 2020
Jul 2, 2020
Jul 2, 2020
Jul 2, 2020
Jul 2, 2020
Jul 2, 2020
Apr 1, 2020
Jan 29, 2020
Jan 27, 2020
Jan 27, 2020
Jan 10, 2020
Aug 29, 2019
Aug 2, 2019
Aug 2, 2019
Jan 17, 2019
Dec 27, 2018
Dec 27, 2018
Dec 27, 2018
Dec 11, 2018
Aug 23, 2018
Aug 23, 2018
Aug 22, 2018
Aug 22, 2018
Aug 22, 2018
Jul 24, 2018
Jul 13, 2018
Jul 10, 2018
Jun 12, 2018
Jun 12, 2018
Jun 12, 2018
Jun 12, 2018
Jun 12, 2018
Jun 12, 2018
Jun 12, 2018