Patent No. EP3754037 (titled "Method Of Heat Treating A High Strength Cold Rolled Steel Strip") was filed by Tata Steel Ijmuiden on Jun 17, 2019. The application was issued on Apr 16, 2025.

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 |
|---|---|---|
| THYSSENKRUPP STEEL EUROPE | Nov 30, 2022 | THYSSENKRUPP STEEL EUROPE |
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 20, 2025
Mar 20, 2025
Mar 11, 2025
Mar 11, 2025
Mar 11, 2025
Mar 11, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Dec 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Aug 27, 2024
Aug 26, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 20, 2024
Aug 20, 2024
Aug 20, 2024
Aug 20, 2024
Aug 20, 2024
Aug 20, 2024
Aug 20, 2024
Aug 8, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Jul 2, 2024
Jun 27, 2024
Jun 27, 2024
Jun 27, 2024
Jun 27, 2024
Jun 27, 2024
Jun 27, 2024
Jun 27, 2024
Jun 27, 2024
Jun 27, 2024
Jun 27, 2024
Jun 27, 2024
Jun 27, 2024
Jun 27, 2024
Jun 27, 2024
Jun 27, 2024
Jun 27, 2024
Jun 27, 2024
Jun 27, 2024
Jun 20, 2024
Jun 20, 2024
Jun 20, 2024
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Aug 24, 2023
Aug 24, 2023
Aug 24, 2023
Aug 22, 2023
Aug 22, 2023
Aug 22, 2023
Aug 17, 2023
Aug 17, 2023
Aug 17, 2023
Jul 11, 2023
Jul 6, 2023
Jul 6, 2023
Jul 6, 2023
Jul 6, 2023
Jul 6, 2023
Jun 26, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Apr 20, 2023
Apr 20, 2023
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Apr 17, 2023
Dec 16, 2022
Dec 16, 2022
Dec 6, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Mar 15, 2022
Feb 3, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Sep 28, 2021
Sep 28, 2021
Sep 28, 2021
Sep 28, 2021
Sep 28, 2021
Aug 13, 2021
Feb 3, 2021
Jan 13, 2021
Nov 25, 2020
Dec 17, 2019
Dec 17, 2019
Dec 17, 2019
Dec 17, 2019
Nov 28, 2019
Sep 9, 2019
Sep 9, 2019
Sep 9, 2019
Sep 9, 2019
Jul 8, 2019
Jun 27, 2019
Jun 17, 2019
Jun 17, 2019
Jun 17, 2019
Jun 17, 2019
Jun 17, 2019
Jun 17, 2019
Jun 17, 2019