Patent No. EP3269407 (titled "Blood Purification Device") was filed by Nikkiso on Mar 10, 2016. The application was issued on Sep 21, 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 |
|---|---|---|
| FRESENIUS MEDICAL CARE | Jun 20, 2023 | BOBBERT & PARTNER PATENTANWALTE PARTMBB |
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 27, 2025
Jan 27, 2025
Oct 21, 2024
Oct 21, 2024
Oct 21, 2024
Oct 21, 2024
Oct 21, 2024
Oct 21, 2024
Oct 21, 2024
Oct 21, 2024
Oct 21, 2024
Oct 21, 2024
Oct 21, 2024
Oct 21, 2024
Oct 21, 2024
Oct 21, 2024
Sep 24, 2024
Jul 29, 2024
Jul 26, 2024
Jul 24, 2024
Jul 24, 2024
Jul 24, 2024
Jul 23, 2024
Jul 23, 2024
Jul 23, 2024
Jul 23, 2024
Jul 23, 2024
Jun 19, 2024
Mar 12, 2024
Mar 6, 2024
Mar 6, 2024
Mar 6, 2024
Mar 6, 2024
Mar 5, 2024
Mar 5, 2024
Mar 4, 2024
Feb 28, 2024
Feb 28, 2024
Feb 28, 2024
Feb 28, 2024
Feb 28, 2024
Feb 1, 2024
Jan 31, 2024
Jan 29, 2024
Jan 29, 2024
Jan 29, 2024
Jan 29, 2024
Jan 29, 2024
Jan 29, 2024
Jan 29, 2024
Jan 25, 2024
Jan 22, 2024
Jan 22, 2024
Jan 22, 2024
Nov 23, 2023
Nov 17, 2023
Nov 17, 2023
Nov 17, 2023
Jul 20, 2023
Jul 20, 2023
Jul 18, 2023
Jul 11, 2023
Jul 11, 2023
Jul 11, 2023
Jul 11, 2023
Jul 11, 2023
Jul 11, 2023
Jun 27, 2023
Jun 27, 2023
Jun 27, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Jun 20, 2023
Oct 5, 2022
Aug 25, 2022
Aug 17, 2022
Aug 4, 2022
Aug 4, 2022
Aug 4, 2022
Aug 4, 2022
Aug 4, 2022
Apr 26, 2022
Apr 26, 2022
Apr 26, 2022
Apr 26, 2022
Apr 26, 2022
Jan 4, 2022
Dec 14, 2021
Dec 14, 2021
Dec 14, 2021
Dec 10, 2020
Dec 10, 2020
Dec 10, 2020
Dec 10, 2020
Dec 10, 2020
Aug 31, 2020
Aug 31, 2020
Mar 17, 2020
Mar 17, 2020
Mar 17, 2020
Mar 17, 2020
Nov 20, 2019
Nov 20, 2019
Nov 20, 2019
Nov 20, 2019
Nov 13, 2019
Feb 11, 2019
Feb 11, 2019
Feb 11, 2019
Sep 13, 2018
Aug 27, 2018
Aug 27, 2018
Aug 27, 2018
Aug 27, 2018
Dec 20, 2017
Oct 20, 2017
Oct 18, 2017
Oct 18, 2017
Sep 28, 2017
Sep 28, 2017
Sep 28, 2017
Sep 28, 2017
Sep 28, 2017
Sep 28, 2017
Sep 25, 2017
Sep 25, 2017
Jul 19, 2017
Oct 6, 2016
Sep 15, 2016
Sep 15, 2016
Sep 15, 2016