Patent No. EP3473289 (titled "Breathing Assistance Apparatus") was filed by Fisher & Paykel Healthcare on Mar 30, 2005. The application was issued on Sep 8, 2021.

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 |
|---|---|---|
| RESMED | Jun 8, 2022 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB |
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, 2025
May 22, 2025
Feb 17, 2025
Feb 17, 2025
Feb 17, 2025
Feb 17, 2025
Feb 17, 2025
Feb 17, 2025
Feb 17, 2025
Feb 17, 2025
Feb 17, 2025
Feb 17, 2025
Feb 17, 2025
Feb 17, 2025
Feb 17, 2025
Feb 17, 2025
Feb 17, 2025
Feb 6, 2025
Jan 7, 2025
Dec 20, 2024
Dec 11, 2024
Dec 11, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
May 22, 2024
May 22, 2024
May 22, 2024
May 22, 2024
May 22, 2024
May 22, 2024
May 22, 2024
May 15, 2024
May 15, 2024
May 10, 2024
May 6, 2024
May 6, 2024
May 6, 2024
May 6, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Nov 21, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 2, 2023
Oct 27, 2023
Oct 27, 2023
Oct 27, 2023
Oct 12, 2023
Oct 12, 2023
Oct 6, 2023
Oct 6, 2023
Oct 6, 2023
Jul 28, 2023
Jul 28, 2023
Jul 28, 2023
Jul 24, 2023
Jul 24, 2023
Jul 24, 2023
Jul 24, 2023
Jul 24, 2023
Jul 24, 2023
Jul 21, 2023
Jul 21, 2023
Jul 21, 2023
Jun 30, 2023
Jun 26, 2023
Jun 26, 2023
Jun 26, 2023
Nov 3, 2022
Oct 28, 2022
Oct 28, 2022
Oct 28, 2022
Oct 28, 2022
Oct 28, 2022
Jul 7, 2022
Jul 6, 2022
Jul 6, 2022
Jul 1, 2022
Jul 1, 2022
Jul 1, 2022
Jul 1, 2022
Jul 1, 2022
Jul 1, 2022
Jun 21, 2022
Jun 21, 2022
Jun 14, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Jun 8, 2022
Sep 21, 2021
Aug 12, 2021
Jul 26, 2021
Jul 6, 2021
Jun 30, 2021
Jun 30, 2021
Jun 30, 2021
Jun 30, 2021
Jun 30, 2021
Jun 30, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
May 31, 2021
Mar 8, 2021
Mar 8, 2021
Mar 8, 2021
Mar 8, 2021
Mar 8, 2021
Jan 13, 2021
Jan 13, 2021
Nov 30, 2020
Nov 25, 2020
Sep 22, 2020
Sep 22, 2020
Sep 22, 2020
Sep 22, 2020
Sep 22, 2020
Sep 18, 2020
Sep 14, 2020
Sep 14, 2020
Sep 14, 2020
Apr 24, 2020
Apr 24, 2020
Apr 24, 2020
Apr 24, 2020
Apr 24, 2020
Apr 24, 2020
Apr 24, 2020
Apr 24, 2020
Mar 16, 2020
Mar 16, 2020
Mar 16, 2020
Jan 15, 2020
Nov 11, 2019
Nov 11, 2019
Nov 8, 2019
Oct 23, 2019
Oct 23, 2019
Oct 23, 2019
Oct 23, 2019
Oct 23, 2019
Apr 29, 2019
Mar 27, 2019
Feb 20, 2019
Feb 14, 2019
Feb 14, 2019
Feb 14, 2019
Feb 14, 2019
Feb 5, 2019
Dec 7, 2018
Dec 7, 2018
Dec 7, 2018
Dec 7, 2018
Dec 7, 2018
Nov 12, 2018
Nov 12, 2018
Nov 12, 2018
Oct 1, 2018
Sep 19, 2018
Sep 19, 2018
Sep 19, 2018
Sep 19, 2018
Sep 19, 2018
Sep 19, 2018
Sep 19, 2018
Nov 2, 2005