Patent No. EP3687466 (titled "Sensor Positioning And Optical Sensing For Sensor Enabled Wound Therapy Dressings And Systems") was filed by Smith & Nephew on Sep 24, 2018. The application was issued on Aug 9, 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 |
|---|---|---|
| PAUL HARTMANN | May 8, 2024 | TER MEER STEINMEISTER & PARTNER |
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 16, 2026
Jan 16, 2026
Jan 16, 2026
Jan 12, 2026
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 8, 2025
Sep 23, 2025
Sep 15, 2025
Sep 9, 2025
Sep 9, 2025
Sep 9, 2025
Sep 9, 2025
Sep 9, 2025
Sep 9, 2025
Sep 9, 2025
Sep 9, 2025
Jul 30, 2025
Jul 30, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Apr 10, 2025
Apr 10, 2025
Apr 10, 2025
Apr 7, 2025
Apr 7, 2025
Apr 7, 2025
Jan 30, 2025
Jan 30, 2025
Jan 30, 2025
Jan 30, 2025
Jan 30, 2025
Jan 30, 2025
Jan 23, 2025
Jan 23, 2025
Jan 23, 2025
Nov 8, 2024
Oct 31, 2024
Oct 31, 2024
Oct 31, 2024
Oct 16, 2024
Oct 14, 2024
Oct 14, 2024
Oct 8, 2024
Oct 8, 2024
Oct 8, 2024
Oct 8, 2024
Oct 4, 2024
Oct 2, 2024
Sep 27, 2024
Sep 27, 2024
Sep 27, 2024
Sep 27, 2024
Sep 27, 2024
Sep 27, 2024
Sep 27, 2024
Sep 27, 2024
Sep 27, 2024
Sep 27, 2024
Sep 27, 2024
May 27, 2024
May 27, 2024
May 14, 2024
May 8, 2024
May 8, 2024
May 8, 2024
May 8, 2024
May 8, 2024
May 8, 2024
May 8, 2024
May 8, 2024
May 8, 2024
May 8, 2024
May 8, 2024
May 8, 2024
May 8, 2024
May 8, 2024
May 8, 2024
May 8, 2024
May 8, 2024
May 8, 2024
May 8, 2024
Aug 22, 2023
Jul 13, 2023
Jun 26, 2023
Jun 26, 2023
Jun 26, 2023
Jun 26, 2023
Jun 26, 2023
Jun 20, 2023
Jun 20, 2023
Jun 14, 2023
Jun 14, 2023
Jun 14, 2023
Mar 1, 2023
Mar 1, 2023
Mar 1, 2023
Mar 1, 2023
Mar 1, 2023
Mar 1, 2023
Mar 17, 2022
Mar 17, 2022
Mar 17, 2022
Mar 17, 2022
Mar 17, 2022
Nov 19, 2021
Nov 19, 2021
Nov 10, 2021
Nov 10, 2021
Jul 27, 2021
Jul 27, 2021
Jul 27, 2021
Apr 6, 2021
Apr 6, 2021
Mar 26, 2021
Nov 16, 2020
Nov 16, 2020
Nov 16, 2020
Nov 16, 2020
Nov 16, 2020
Nov 2, 2020
Nov 2, 2020
Oct 21, 2020
Oct 21, 2020
Oct 21, 2020
Jul 8, 2020
May 11, 2020
May 7, 2020
May 7, 2020
Apr 20, 2020
Apr 20, 2020
Apr 20, 2020
Apr 20, 2020
Apr 14, 2020
Feb 7, 2020
Dec 20, 2019
Dec 20, 2019
Dec 20, 2019
Dec 20, 2019
May 16, 2019
May 16, 2019
Apr 29, 2019
Apr 29, 2019
Apr 16, 2019
Apr 16, 2019
Apr 16, 2019
Apr 16, 2019
Apr 4, 2019
Feb 4, 2019
Feb 4, 2019
Feb 4, 2019
Feb 4, 2019
Feb 4, 2019
Jan 7, 2019
Jan 7, 2019
Dec 6, 2018
Oct 12, 2018
Oct 11, 2018
Oct 11, 2018
Oct 11, 2018
Oct 8, 2018
Sep 24, 2018
Sep 24, 2018
Sep 24, 2018
Sep 24, 2018
Sep 24, 2018
Sep 24, 2018
Sep 24, 2018