Patent No. EP3487405 (titled "System And Method For Wireless Communication Of Glucose Data") was filed by Dexcom on Jul 17, 2017. The application was issued on Jul 12, 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 |
|---|---|---|
| ABBOTT | Apr 12, 2024 | BOULT WADE TENNANT |
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
Nov 6, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Oct 24, 2025
Aug 8, 2025
Aug 8, 2025
Aug 5, 2025
Jul 4, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Mar 21, 2025
Mar 14, 2025
Mar 14, 2025
Mar 14, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Feb 24, 2025
Jan 13, 2025
Jan 9, 2025
Jan 9, 2025
Jan 9, 2025
Jan 2, 2025
Jan 2, 2025
Dec 27, 2024
Dec 27, 2024
Dec 27, 2024
Dec 27, 2024
Dec 27, 2024
Dec 27, 2024
Dec 19, 2024
Dec 19, 2024
Dec 19, 2024
Dec 5, 2024
Dec 5, 2024
Dec 5, 2024
Dec 5, 2024
Dec 5, 2024
Dec 5, 2024
Dec 5, 2024
Aug 29, 2024
Aug 29, 2024
Aug 26, 2024
Aug 26, 2024
Aug 26, 2024
Aug 26, 2024
Aug 26, 2024
Aug 26, 2024
Aug 26, 2024
Aug 26, 2024
Aug 26, 2024
Aug 26, 2024
Aug 26, 2024
Aug 26, 2024
Aug 26, 2024
Aug 26, 2024
Aug 26, 2024
Aug 26, 2024
Aug 26, 2024
Apr 25, 2024
Apr 25, 2024
Apr 24, 2024
Apr 24, 2024
Apr 24, 2024
Apr 22, 2024
Apr 22, 2024
Apr 22, 2024
Apr 18, 2024
Apr 18, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Sep 28, 2023
Jul 25, 2023
Jun 15, 2023
Jun 1, 2023
Jun 1, 2023
Jun 1, 2023
Jun 1, 2023
Jun 1, 2023
Apr 21, 2023
Apr 21, 2023
Apr 21, 2023
Apr 21, 2023
Apr 21, 2023
Apr 21, 2023
Apr 4, 2023
Apr 4, 2023
Apr 4, 2023
Apr 4, 2023
Apr 4, 2023
Dec 13, 2022
Dec 13, 2022
Dec 13, 2022
Dec 13, 2022
Dec 13, 2022
Dec 13, 2022
Nov 29, 2022
Aug 17, 2020
Aug 17, 2020
Aug 17, 2020
Aug 17, 2020
Aug 17, 2020
Aug 17, 2020
Aug 17, 2020
Feb 25, 2020
Feb 6, 2020
Feb 6, 2020
Feb 6, 2020
Feb 6, 2020
Jan 29, 2020
Aug 29, 2019
Aug 29, 2019
Aug 29, 2019
Aug 29, 2019
Aug 29, 2019
Aug 19, 2019
Aug 19, 2019
Aug 13, 2019
Aug 13, 2019
Aug 2, 2019
Aug 2, 2019
Jul 30, 2019
May 2, 2019
Feb 27, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 15, 2019
Feb 5, 2019
Jan 4, 2019
Jan 4, 2019
Jan 4, 2019
Nov 30, 2018
Feb 12, 2018
Jan 25, 2018
Jan 25, 2018