Patent No. EP3297750 (titled "Methods And Apparatus For Forming Apertures In A Solid State Membrane Using Dielectric Breakdown") was filed by Oxford Nanopore on May 20, 2016. The application was issued on Apr 7, 2021.

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 14, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Oct 7, 2025
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
Sep 8, 2025
Sep 8, 2025
Jul 28, 2025
Jul 28, 2025
Jul 23, 2025
Jul 23, 2025
Jul 17, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Mar 13, 2025
Mar 7, 2025
Mar 7, 2025
Mar 7, 2025
Mar 7, 2025
Mar 7, 2025
Mar 7, 2025
Mar 7, 2025
Jan 21, 2025
Jan 13, 2025
Jan 13, 2025
Jan 7, 2025
Jan 7, 2025
Jan 7, 2025
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 6, 2024
Oct 22, 2024
Oct 18, 2024
Oct 15, 2024
Oct 15, 2024
Oct 15, 2024
Sep 2, 2024
Aug 27, 2024
Aug 27, 2024
Aug 27, 2024
Aug 27, 2024
Aug 27, 2024
Aug 23, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Aug 20, 2024
Aug 20, 2024
Mar 15, 2024
Mar 15, 2024
Mar 15, 2024
Mar 15, 2024
Mar 15, 2024
Mar 15, 2024
Mar 15, 2024
May 22, 2023
May 16, 2023
May 16, 2023
May 16, 2023
Mar 17, 2023
Mar 10, 2023
Mar 10, 2023
Mar 10, 2023
Dec 15, 2022
Dec 8, 2022
Dec 8, 2022
Dec 8, 2022
Oct 27, 2022
Oct 27, 2022
Oct 25, 2022
Oct 24, 2022
Oct 21, 2022
Oct 21, 2022
Oct 21, 2022
Oct 13, 2022
Aug 5, 2022
Aug 3, 2022
Aug 3, 2022
Jul 27, 2022
Jul 27, 2022
Jul 27, 2022
Jul 7, 2022
Jun 22, 2022
Jun 22, 2022
Jun 22, 2022
Jun 22, 2022
Jun 7, 2022
Jun 7, 2022
May 27, 2022
May 27, 2022
May 27, 2022
May 27, 2022
Jan 19, 2022
Jan 19, 2022
Jan 7, 2022
Dec 23, 2021
Dec 23, 2021
Dec 23, 2021
Dec 23, 2021
Dec 23, 2021
Dec 23, 2021
Dec 23, 2021
Dec 23, 2021
Dec 23, 2021
Dec 23, 2021
Dec 23, 2021
Dec 23, 2021
Dec 23, 2021
Dec 23, 2021
Dec 23, 2021
Dec 23, 2021
Dec 23, 2021
Dec 23, 2021
Dec 23, 2021
Dec 23, 2021
Dec 23, 2021
Dec 23, 2021
Dec 23, 2021
Dec 23, 2021
Dec 23, 2021
May 18, 2021
May 18, 2021
May 12, 2021
May 12, 2021
May 12, 2021
May 12, 2021
May 12, 2021
May 10, 2021
May 10, 2021
May 10, 2021
May 10, 2021
May 10, 2021
May 10, 2021
May 10, 2021
May 10, 2021
May 3, 2021
Apr 22, 2021
Apr 22, 2021
Apr 22, 2021
Apr 20, 2021
Mar 12, 2021
Mar 3, 2021
Feb 18, 2021
Feb 18, 2021
Feb 18, 2021
Feb 18, 2021
Dec 1, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Nov 18, 2020
Oct 8, 2020
Oct 8, 2020
Oct 8, 2020
Oct 5, 2020
Sep 30, 2020
Sep 30, 2020
Sep 30, 2020
Sep 17, 2020
Sep 9, 2020
Sep 9, 2020
Sep 9, 2020
Sep 1, 2020
Jul 7, 2020
Jun 29, 2020
Jun 29, 2020
Jun 29, 2020
Jun 29, 2020
Jun 29, 2020
Mar 30, 2020
Mar 30, 2020
Mar 30, 2020
Mar 30, 2020
Mar 30, 2020
Mar 30, 2020
Mar 30, 2020
Mar 30, 2020
Feb 21, 2020
Nov 12, 2018
Oct 30, 2018
Oct 30, 2018
Oct 30, 2018
Oct 30, 2018
Oct 30, 2018
Aug 23, 2018
Aug 23, 2018
Feb 28, 2018
Jan 4, 2018
Jan 2, 2018
Jan 2, 2018
Jan 2, 2018
Dec 5, 2017
Nov 14, 2017
Nov 14, 2017
Nov 14, 2017
Sep 29, 2017
Dec 12, 2016
Nov 24, 2016
Nov 24, 2016
Nov 4, 2016
Oct 31, 2016
Oct 31, 2016
Oct 31, 2016
Oct 31, 2016
Sep 1, 2016
Sep 1, 2016
Aug 3, 2016
Aug 3, 2016
Jun 17, 2016
Jun 6, 2016
Jun 6, 2016
Jun 6, 2016
Jun 6, 2016
Jun 6, 2016
Jun 6, 2016
Jun 6, 2016
Jun 6, 2016
Jun 6, 2016
Jun 6, 2016