Patent No. EP3203840 (titled "Modulators Of Cystic Fibrosis Transmembrane Conductance Regulator") was filed by Vertex Pharmaceuticals Incorporated on Oct 6, 2015. The application was issued on Aug 5, 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.
| Company | Opposition Date | Representative |
|---|---|---|
| GENERICS UK | May 5, 2021 | ELKINGTON AND FIFE |
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
Mar 14, 2025
Mar 14, 2025
Mar 14, 2025
Feb 20, 2025
Feb 20, 2025
Feb 17, 2025
Jan 3, 2025
Dec 20, 2024
Dec 20, 2024
Dec 20, 2024
Apr 18, 2024
Apr 18, 2024
Apr 15, 2024
Apr 15, 2024
Oct 23, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Oct 10, 2023
Jun 1, 2023
Jun 1, 2023
Jun 1, 2023
May 27, 2023
May 4, 2023
May 4, 2023
May 4, 2023
May 4, 2023
Mar 7, 2023
Feb 24, 2023
Feb 22, 2023
Feb 22, 2023
Feb 22, 2023
Feb 22, 2023
Feb 22, 2023
Feb 22, 2023
Feb 22, 2023
Feb 22, 2023
Feb 22, 2023
Feb 22, 2023
Feb 22, 2023
Feb 22, 2023
Feb 22, 2023
Feb 8, 2023
Feb 7, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Jan 25, 2023
Jan 25, 2023
Jan 16, 2023
Dec 13, 2022
Dec 7, 2022
Dec 7, 2022
Nov 24, 2022
Nov 24, 2022
Apr 1, 2022
Mar 25, 2022
Mar 25, 2022
Mar 25, 2022
Mar 25, 2022
Mar 25, 2022
Mar 25, 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
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
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
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
Aug 24, 2021
Aug 24, 2021
Aug 24, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
May 14, 2021
May 11, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 5, 2021
Aug 17, 2020
Jul 9, 2020
Jun 29, 2020
Jun 29, 2020
Jun 29, 2020
Jun 29, 2020
Jun 29, 2020
Feb 19, 2020
Feb 19, 2020
Feb 19, 2020
Feb 19, 2020
Feb 19, 2020
Oct 28, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
Sep 30, 2019
May 20, 2019
May 20, 2019
May 15, 2019
Feb 11, 2019
Feb 11, 2019
Feb 11, 2019
Feb 11, 2019
Feb 11, 2019
Dec 5, 2018
Jul 31, 2018
Jul 12, 2018
Jul 12, 2018
Jul 12, 2018
Jul 12, 2018
Jun 7, 2018
Jun 7, 2018
Jun 7, 2018
Mar 29, 2018
Mar 29, 2018
Mar 19, 2018
Dec 6, 2017
Nov 22, 2017
Nov 22, 2017
Nov 22, 2017
Nov 22, 2017
Nov 22, 2017
Jul 19, 2017
Jun 27, 2017
Jun 21, 2017
Jun 8, 2017
Jun 8, 2017
Jun 6, 2017
Jun 1, 2017
Jun 1, 2017
May 26, 2017
May 12, 2017
May 10, 2017
May 10, 2017
May 10, 2017
May 10, 2017
May 10, 2017
May 10, 2017
May 10, 2017
May 10, 2017
May 10, 2017
May 10, 2017
May 10, 2017
May 10, 2017
May 10, 2017
May 10, 2017
May 10, 2017
May 10, 2017
May 10, 2017
May 10, 2017
May 10, 2017
May 10, 2017
May 10, 2017
May 10, 2017
May 10, 2017
May 10, 2017
May 10, 2017
May 10, 2017
Apr 25, 2017
Apr 21, 2017
Apr 21, 2017
Mar 28, 2017
Mar 28, 2017
Mar 28, 2017
Mar 28, 2017
Mar 28, 2017
Feb 17, 2017
May 4, 2016
May 4, 2016
May 4, 2016
Apr 14, 2016
Apr 14, 2016