Patent No. EP4073011 (titled "Method For Producing Mineral Wool Composites") was filed by Saint Gobain on Dec 8, 2020. The application was issued on Jun 18, 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 |
|---|---|---|
| URSA INSULATION | Mar 17, 2026 | BALDER LAW |
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
Aug 4, 2026
Aug 4, 2026
Aug 4, 2026
Jul 31, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Jul 29, 2026
Apr 1, 2026
Apr 1, 2026
Mar 23, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Mar 17, 2026
Jul 1, 2025
May 22, 2025
May 7, 2025
May 7, 2025
May 7, 2025
May 7, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Dec 30, 2024
Jan 6, 2023
Jan 6, 2023
Jan 6, 2023
Sep 21, 2022
Jul 20, 2022
Jul 13, 2022
Jun 27, 2022
Jun 13, 2022
Jun 13, 2022
Apr 22, 2022
Jul 5, 2021
Jun 17, 2021
Jun 17, 2021
Mar 26, 2021
Mar 26, 2021
Mar 26, 2021
Mar 26, 2021
Dec 15, 2020
Dec 15, 2020
Dec 11, 2020
Dec 8, 2020
Dec 8, 2020
Dec 8, 2020
Dec 8, 2020
Dec 8, 2020
Dec 8, 2020
Dec 8, 2020