Patent No. EP3649264 (titled "Method For Operating An Iron- Or Steelmaking- Plant") was filed by AIR Liquide Management Services on Jul 2, 2018. The application was issued on Aug 21, 2024.

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 |
|---|---|---|
| AIR PRODUCTS AND CHEMICALS | Sep 15, 2022 | SSM SANDMAIR |
| PAUL WURTH | Sep 15, 2022 | OFFICE FREYLINGER |
| ARCELORMITTAL | Sep 1, 2022 | 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
Apr 15, 2025
Apr 15, 2025
Apr 15, 2025
Apr 15, 2025
Jan 7, 2025
Jan 7, 2025
Jan 7, 2025
Jan 7, 2025
Jan 7, 2025
Jan 7, 2025
Jan 7, 2025
Dec 19, 2024
Dec 19, 2024
Dec 19, 2024
Dec 12, 2024
Dec 12, 2024
Dec 12, 2024
Dec 10, 2024
Dec 10, 2024
Dec 10, 2024
Dec 5, 2024
Dec 5, 2024
Dec 5, 2024
Dec 2, 2024
Dec 2, 2024
Dec 2, 2024
Nov 26, 2024
Nov 26, 2024
Nov 26, 2024
Nov 26, 2024
Nov 26, 2024
Nov 26, 2024
Nov 26, 2024
Nov 18, 2024
Nov 18, 2024
Nov 18, 2024
Nov 18, 2024
Nov 18, 2024
Oct 24, 2024
Oct 24, 2024
Oct 24, 2024
Oct 22, 2024
Oct 22, 2024
Oct 22, 2024
Sep 19, 2024
Sep 19, 2024
Sep 19, 2024
Sep 19, 2024
Sep 17, 2024
Sep 17, 2024
Sep 17, 2024
Sep 17, 2024
Sep 17, 2024
Sep 17, 2024
Sep 17, 2024
Sep 17, 2024
Sep 17, 2024
Sep 17, 2024
Sep 17, 2024
Sep 17, 2024
Aug 27, 2024
Aug 27, 2024
Aug 27, 2024
Aug 21, 2024
Aug 21, 2024
Aug 21, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 7, 2024
Aug 7, 2024
Aug 7, 2024
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
Jun 7, 2024
Jun 23, 2023
Jun 23, 2023
Jun 23, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Apr 21, 2023
Apr 21, 2023
Apr 21, 2023
Apr 21, 2023
Apr 7, 2023
Apr 7, 2023
Apr 7, 2023
Apr 7, 2023
Feb 15, 2023
Feb 15, 2023
Feb 15, 2023
Feb 14, 2023
Feb 14, 2023
Feb 14, 2023
Feb 9, 2023
Feb 9, 2023
Feb 9, 2023
Feb 9, 2023
Feb 9, 2023
Feb 9, 2023
Feb 9, 2023
Feb 8, 2023
Feb 8, 2023
Feb 8, 2023
Dec 9, 2022
Dec 9, 2022
Dec 9, 2022
Dec 9, 2022
Dec 6, 2022
Dec 6, 2022
Dec 6, 2022
Nov 8, 2022
Nov 8, 2022
Nov 8, 2022
Nov 7, 2022
Nov 7, 2022
Nov 7, 2022
Nov 7, 2022
Nov 7, 2022
Nov 2, 2022
Nov 2, 2022
Nov 2, 2022
Nov 2, 2022
Nov 2, 2022
Nov 2, 2022
Nov 2, 2022
Nov 2, 2022
Nov 2, 2022
Nov 2, 2022
Nov 2, 2022
Nov 2, 2022
Nov 2, 2022
Nov 2, 2022
Sep 29, 2022
Sep 29, 2022
Sep 29, 2022
Sep 29, 2022
Sep 21, 2022
Sep 21, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Sep 15, 2022
Sep 7, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Sep 1, 2022
Jan 5, 2022
Nov 18, 2021
Nov 5, 2021
Nov 5, 2021
Nov 5, 2021
Nov 5, 2021
Nov 5, 2021
Jul 29, 2021
Jul 29, 2021
Jul 29, 2021
Jul 29, 2021
Jul 29, 2021
Jul 29, 2021
Apr 29, 2021
Apr 29, 2021
Apr 29, 2021
Apr 29, 2021
Apr 29, 2021
Apr 29, 2021
Apr 29, 2021
Jan 11, 2021
Jan 11, 2021
Dec 21, 2020
Nov 10, 2020
Nov 3, 2020
Nov 3, 2020
Aug 17, 2020
Aug 17, 2020
Aug 17, 2020
Aug 17, 2020
Aug 17, 2020
Aug 17, 2020
Aug 17, 2020
Aug 17, 2020
Aug 17, 2020
Apr 16, 2020
Feb 12, 2020
Feb 10, 2020
Feb 10, 2020
Feb 5, 2020
Feb 5, 2020
Jan 31, 2020
Jan 16, 2020
Dec 20, 2019
Dec 20, 2019
Nov 15, 2019
Feb 1, 2019
Jan 10, 2019
Jan 10, 2019
Aug 29, 2018
Aug 29, 2018
Aug 29, 2018
Jul 9, 2018
Jul 2, 2018
Jul 2, 2018
Jul 2, 2018
Jul 2, 2018
Jul 2, 2018
Jul 2, 2018
Jul 2, 2018
Jul 2, 2018