Patent No. EP3683439 (titled "Multi Segment Wind Turbine Blade Joint Bushing") was filed by Roller Bearing OF America on Jan 15, 2020. The application was issued on Apr 10, 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 |
|---|---|---|
| GE WIND ENERGY | Jan 10, 2025 | BARDEHLE PAGENBERG SL |
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
May 22, 2026
May 20, 2026
May 20, 2026
May 20, 2026
May 15, 2026
May 11, 2026
May 11, 2026
May 11, 2026
May 8, 2026
Apr 7, 2026
Apr 2, 2026
Apr 2, 2026
Apr 2, 2026
Sep 26, 2025
Sep 26, 2025
Sep 26, 2025
Sep 26, 2025
Sep 26, 2025
May 27, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
Jan 22, 2025
Jan 22, 2025
Jan 13, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Apr 23, 2024
Mar 14, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Sep 7, 2022
Sep 7, 2022
Sep 7, 2022
Sep 7, 2022
Sep 7, 2022
Jul 8, 2022
Jul 8, 2022
Jul 4, 2022
Jan 22, 2021
Jan 22, 2021
Jan 22, 2021
Jan 22, 2021
Jan 22, 2021
Jan 22, 2021
Jan 22, 2021
Jan 22, 2021
Jul 27, 2020
Jun 24, 2020
Jun 5, 2020
Jun 5, 2020
Jun 5, 2020
Jun 5, 2020
Jun 5, 2020
Jun 5, 2020
May 18, 2020
Apr 8, 2020
Apr 7, 2020
Apr 7, 2020
Apr 7, 2020
Mar 31, 2020
Mar 31, 2020
Mar 31, 2020
Mar 24, 2020
Mar 17, 2020
Jan 31, 2020
Jan 15, 2020
Jan 15, 2020
Jan 15, 2020
Jan 15, 2020
Jan 15, 2020
Jan 15, 2020