Patent No. EP3936248 (titled "Rolling Taking Into Account Frequency Behaviour") was filed by Primetals Germany on Jul 7, 2020. 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 |
|---|---|---|
| SMS GROUP | Jul 25, 2024 | HEMMERICH & KOLLEGEN |
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
Jan 9, 2026
Jan 9, 2026
Oct 2, 2025
Oct 2, 2025
Oct 2, 2025
Oct 2, 2025
Oct 2, 2025
Oct 2, 2025
Oct 2, 2025
Oct 2, 2025
Oct 2, 2025
Sep 16, 2025
Sep 16, 2025
Aug 8, 2025
Aug 5, 2025
Aug 5, 2025
Aug 5, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Dec 10, 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 31, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Jul 25, 2024
Nov 8, 2023
Sep 28, 2023
Sep 18, 2023
Sep 18, 2023
Sep 18, 2023
Sep 18, 2023
Sep 18, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 2, 2023
Jul 8, 2022
Jul 8, 2022
Jul 8, 2022
Jan 17, 2022
Dec 15, 2021
Dec 15, 2020
Dec 15, 2020
Dec 15, 2020
Dec 15, 2020
Nov 23, 2020
Nov 9, 2020
Nov 3, 2020
Nov 3, 2020
Nov 3, 2020
Nov 2, 2020
Oct 23, 2020
Sep 30, 2020
Sep 30, 2020
Sep 30, 2020
Sep 30, 2020
Jul 7, 2020
Jul 7, 2020
Jul 7, 2020
Jul 7, 2020
Jul 7, 2020
Jul 7, 2020
Jul 7, 2020