Patent No. EP3423591 (titled "Nad(P)-Dependent Responsive Enzymes, Electrodes And Sensors, And Methods For Making And Using The Same") was filed by Abbott on Mar 2, 2017. The application was issued on Nov 1, 2023.

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 |
|---|---|---|
| DEXCOM | Jul 31, 2024 | HOFFMANN EITLE |
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 12, 2025
Feb 5, 2025
Jan 29, 2025
Jan 29, 2025
Jan 29, 2025
Jan 8, 2025
Jan 8, 2025
Dec 30, 2024
Dec 30, 2024
Dec 30, 2024
Dec 20, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Aug 16, 2024
Aug 16, 2024
Aug 12, 2024
Aug 7, 2024
Aug 7, 2024
Aug 7, 2024
Aug 7, 2024
Aug 7, 2024
Aug 7, 2024
Aug 5, 2024
Aug 5, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Nov 14, 2023
Oct 6, 2023
Sep 20, 2023
Sep 20, 2023
Sep 20, 2023
Sep 20, 2023
Sep 20, 2023
May 15, 2023
May 15, 2023
May 15, 2023
May 15, 2023
May 15, 2023
May 15, 2023
Jan 20, 2023
Jan 20, 2023
Jan 20, 2023
Jan 20, 2023
Jan 20, 2023
Jan 20, 2023
Jan 20, 2023
Nov 28, 2022
Nov 23, 2022
Nov 23, 2022
Nov 23, 2022
Sep 13, 2022
Sep 13, 2022
Sep 7, 2021
Sep 7, 2021
Sep 7, 2021
Jul 26, 2021
Jul 20, 2021
Jul 20, 2021
Jul 20, 2021
Mar 10, 2021
Mar 10, 2021
Feb 23, 2021
Jan 21, 2021
Jan 21, 2021
Jan 21, 2021
May 7, 2020
May 7, 2020
May 7, 2020
May 7, 2020
May 7, 2020
Mar 5, 2020
Mar 5, 2020
Mar 5, 2020
Feb 17, 2020
Feb 17, 2020
Feb 17, 2020
Nov 12, 2019
Oct 24, 2019
Oct 24, 2019
Oct 24, 2019
Oct 24, 2019
Sep 30, 2019
Mar 26, 2019
Mar 26, 2019
Mar 26, 2019
Mar 26, 2019
Mar 26, 2019
Dec 12, 2018
Oct 26, 2018
Oct 24, 2018
Oct 24, 2018
Oct 4, 2018
Oct 4, 2018
Oct 4, 2018
Sep 19, 2018
Jul 13, 2018
Sep 25, 2017
Sep 8, 2017
Sep 8, 2017