Patent No. EP3904572 (titled "Device And Method For Detecting A Fault In A Spinning Mill And For Estimating One Or More Sources Of The Fault") was filed by Maschinenfabrik Rieter on Apr 30, 2020. The application was issued on Apr 6, 2022.

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 |
|---|---|---|
| USTER | Dec 22, 2022 | PLISKA |
| SAURER SPINNING SOLUTIONS | Dec 19, 2022 | GOEBEL |
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
Jul 17, 2025
Jul 17, 2025
Jul 17, 2025
Apr 8, 2025
Apr 8, 2025
Apr 8, 2025
Apr 8, 2025
Apr 8, 2025
Apr 8, 2025
Apr 8, 2025
Apr 8, 2025
Apr 8, 2025
Apr 8, 2025
Apr 8, 2025
Apr 8, 2025
Apr 8, 2025
Apr 8, 2025
Apr 8, 2025
Apr 8, 2025
Apr 4, 2025
Mar 25, 2025
Mar 25, 2025
Mar 25, 2025
Mar 14, 2025
Mar 14, 2025
Mar 14, 2025
Mar 11, 2025
Mar 11, 2025
Mar 11, 2025
Mar 7, 2025
Mar 7, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Jan 30, 2025
Jan 27, 2025
Jan 27, 2025
Jan 24, 2025
Jan 24, 2025
Jan 24, 2025
Jan 20, 2025
Jan 20, 2025
Jan 20, 2025
Jan 20, 2025
Jan 20, 2025
Jan 9, 2025
Jan 9, 2025
Dec 30, 2024
Dec 30, 2024
Dec 30, 2024
Jul 23, 2024
Jun 26, 2024
Jun 26, 2024
Jun 26, 2024
Jun 26, 2024
Jun 26, 2024
Jun 26, 2024
Jun 26, 2024
Jun 26, 2024
Jun 26, 2024
Jun 3, 2024
Jun 3, 2024
Jun 3, 2024
Jun 3, 2024
May 23, 2023
May 23, 2023
May 17, 2023
May 17, 2023
May 17, 2023
Jan 20, 2023
Jan 20, 2023
Jan 20, 2023
Jan 3, 2023
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 22, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Apr 21, 2022
Mar 11, 2022
Feb 28, 2022
Feb 28, 2022
Feb 28, 2022
Feb 28, 2022
Feb 28, 2022
Dec 15, 2021
Dec 15, 2021
Dec 15, 2021
Dec 15, 2021
Dec 15, 2021
Nov 29, 2021
Nov 8, 2021
Oct 6, 2021
Dec 2, 2020
Dec 2, 2020
Dec 2, 2020
Nov 17, 2020
Nov 17, 2020
Nov 17, 2020
Nov 17, 2020
Sep 8, 2020
Jun 23, 2020
Jun 23, 2020
Jun 23, 2020
Apr 30, 2020
Apr 30, 2020
Apr 30, 2020
Apr 30, 2020
Apr 30, 2020
Apr 30, 2020
Apr 30, 2020