Patent No. EP3684079 (titled "Hearing Device For Orientation Estimation And Method Of Its Operation") was filed by Sonova on Mar 29, 2019. The application was issued on Mar 20, 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 |
|---|---|---|
| OTICON | Dec 19, 2024 | COHAUSZ & FLORACK |
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
Mar 25, 2026
Mar 23, 2026
Mar 20, 2026
Mar 20, 2026
Mar 20, 2026
Mar 20, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 18, 2026
Mar 5, 2026
Mar 2, 2026
Mar 2, 2026
Mar 2, 2026
Sep 2, 2025
Sep 2, 2025
Sep 2, 2025
Sep 2, 2025
Sep 2, 2025
May 20, 2025
May 20, 2025
May 20, 2025
May 15, 2025
May 15, 2025
May 15, 2025
May 15, 2025
May 15, 2025
May 15, 2025
May 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 2, 2025
Dec 19, 2024
Dec 19, 2024
Dec 19, 2024
Dec 19, 2024
Dec 19, 2024
Dec 19, 2024
Dec 19, 2024
Dec 19, 2024
Dec 19, 2024
Dec 19, 2024
Dec 19, 2024
Dec 19, 2024
Dec 19, 2024
Apr 4, 2024
Feb 22, 2024
Feb 8, 2024
Feb 8, 2024
Feb 8, 2024
Feb 8, 2024
Feb 8, 2024
Dec 4, 2023
Dec 4, 2023
Dec 4, 2023
Dec 4, 2023
Dec 4, 2023
Dec 4, 2023
Aug 4, 2022
Aug 4, 2022
Aug 4, 2022
Aug 4, 2022
Aug 4, 2022
Aug 4, 2022
Aug 4, 2022
Aug 4, 2022
Aug 4, 2022
Jun 2, 2022
May 30, 2022
May 30, 2022
May 30, 2022
Feb 7, 2022
Feb 7, 2022
Jan 31, 2022
May 6, 2021
Jan 18, 2021
Jan 18, 2021
Jan 18, 2021
Jan 18, 2021
Jan 18, 2021
Jul 27, 2020
Jun 24, 2020
Jun 10, 2020
Jun 10, 2020
Jun 10, 2020
Aug 5, 2019
Aug 5, 2019
Aug 5, 2019
Aug 5, 2019
Jul 25, 2019
May 22, 2019
May 22, 2019
May 22, 2019
Mar 29, 2019
Mar 29, 2019
Mar 29, 2019
Mar 29, 2019
Mar 29, 2019
Mar 29, 2019
Mar 29, 2019