Patent No. EP3197356 (titled "System And Method For Mode Switching") was filed by Dexcom on Sep 22, 2015. The application was issued on Dec 16, 2020.

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.
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
Oct 1, 2025
Sep 26, 2025
Sep 26, 2025
Sep 25, 2025
Sep 24, 2025
Sep 24, 2025
Sep 24, 2025
Sep 22, 2025
Aug 25, 2025
Aug 25, 2025
Aug 14, 2025
Aug 14, 2025
Mar 19, 2025
Mar 14, 2025
Jan 8, 2025
Jan 8, 2025
Jan 8, 2025
Jan 7, 2025
Dec 27, 2024
Dec 27, 2024
Dec 27, 2024
Oct 14, 2024
Sep 27, 2024
Sep 27, 2024
Sep 12, 2024
Sep 9, 2024
Sep 9, 2024
Sep 9, 2024
Jul 16, 2024
Jul 16, 2024
Jul 10, 2024
Jul 10, 2024
Jul 10, 2024
May 10, 2024
May 10, 2024
May 10, 2024
May 10, 2024
May 10, 2024
May 10, 2024
May 10, 2024
May 10, 2024
May 10, 2024
May 10, 2024
May 10, 2024
May 10, 2024
May 7, 2024
Jan 16, 2024
Jan 16, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Jan 12, 2024
Jan 11, 2024
Jan 11, 2024
Jan 11, 2024
Jan 11, 2024
Jan 5, 2024
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Nov 22, 2023
Nov 22, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
May 22, 2023
May 22, 2023
May 22, 2023
May 22, 2023
May 22, 2023
May 22, 2023
May 22, 2023
May 22, 2023
May 22, 2023
Feb 9, 2023
Feb 1, 2023
Feb 1, 2023
Feb 1, 2023
Feb 1, 2023
Feb 1, 2023
Nov 28, 2022
Nov 21, 2022
Nov 21, 2022
Nov 21, 2022
Sep 20, 2022
Sep 13, 2022
Sep 13, 2022
Sep 13, 2022
Sep 13, 2022
Sep 13, 2022
Sep 13, 2022
Sep 13, 2022
Sep 13, 2022
Sep 13, 2022
Sep 13, 2022
Sep 13, 2022
Feb 16, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Sep 30, 2021
Sep 30, 2021
Sep 21, 2021
Sep 15, 2021
Sep 15, 2021
Sep 15, 2021
Sep 15, 2021
Sep 15, 2021
Sep 15, 2021
Sep 15, 2021
Sep 15, 2021
Sep 15, 2021
Sep 15, 2021
Sep 15, 2021
Sep 15, 2021
Sep 15, 2021
Sep 15, 2021
Sep 15, 2021
Sep 15, 2021
Sep 15, 2021
Sep 15, 2021
Sep 15, 2021
Sep 15, 2021
Sep 15, 2021
Sep 15, 2021
Sep 15, 2021
Sep 15, 2021
Sep 15, 2021
Jan 11, 2021
Nov 19, 2020
Nov 4, 2020
Nov 4, 2020
Nov 4, 2020
Nov 4, 2020
Nov 4, 2020
Oct 1, 2020
Oct 1, 2020
Oct 1, 2020
Oct 1, 2020
Oct 1, 2020
Dec 19, 2019
Dec 19, 2019
Dec 19, 2019
Dec 19, 2019
Dec 19, 2019
Nov 4, 2019
Oct 28, 2019
Oct 28, 2019
Oct 28, 2019
Jun 19, 2019
Jun 19, 2019
Jun 6, 2019
Jan 23, 2019
Jan 8, 2019
Jan 8, 2019
Jan 8, 2019
Dec 8, 2017
Dec 1, 2017
Jul 5, 2017
May 4, 2017
May 2, 2017
May 2, 2017
May 2, 2017
May 2, 2017
May 2, 2017
May 2, 2017
May 2, 2017
May 2, 2017
May 2, 2017
May 2, 2017
May 2, 2017
May 2, 2017
Apr 12, 2017
Apr 12, 2017
Apr 12, 2017
Apr 12, 2017
Apr 10, 2017
Feb 21, 2017
Feb 21, 2017
Feb 3, 2017
Dec 22, 2016
Dec 22, 2016
Apr 19, 2016
Mar 31, 2016
Mar 31, 2016
Dec 16, 2015
Dec 15, 2015
Dec 15, 2015
Dec 15, 2015
Oct 22, 2015
Oct 5, 2015
Oct 5, 2015
Oct 5, 2015
Oct 5, 2015
Oct 5, 2015
Oct 5, 2015
Oct 5, 2015
Oct 5, 2015