Patent No. EP3915555 (titled "Pharmaceutical Composition Comprising Glycopyrrolate") was filed by Mexichem Fluor DE CV on Sep 18, 2017. The application was issued on Jun 28, 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 |
|---|---|---|
| ELKINGTON AND FIFE | Mar 28, 2024 | ELKINGTON AND FIFE |
| HGF | Mar 28, 2024 | HGF |
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 29, 2026
Jan 29, 2026
Jan 29, 2026
Jan 23, 2026
Jan 23, 2026
Jan 23, 2026
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Nov 24, 2025
Oct 10, 2025
Oct 3, 2025
Oct 3, 2025
Aug 19, 2025
Aug 19, 2025
Aug 14, 2025
Aug 14, 2025
Aug 13, 2025
Aug 13, 2025
Aug 8, 2025
Aug 8, 2025
Aug 8, 2025
Aug 8, 2025
Aug 8, 2025
Aug 8, 2025
Aug 8, 2025
Aug 8, 2025
Aug 8, 2025
Aug 8, 2025
Aug 8, 2025
Aug 8, 2025
Aug 8, 2025
Aug 8, 2025
Aug 4, 2025
Aug 4, 2025
Aug 4, 2025
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 15, 2024
Nov 15, 2024
Nov 12, 2024
Nov 12, 2024
Nov 12, 2024
Nov 12, 2024
Oct 30, 2024
Oct 30, 2024
Oct 30, 2024
Oct 30, 2024
Oct 30, 2024
Oct 30, 2024
Jul 19, 2024
Jul 19, 2024
Jul 16, 2024
Jul 16, 2024
Jul 16, 2024
Jul 16, 2024
Jul 16, 2024
Jul 16, 2024
Jul 16, 2024
Jul 16, 2024
Jul 16, 2024
Jul 16, 2024
Jul 16, 2024
Jul 16, 2024
Jul 16, 2024
Jul 16, 2024
Jul 16, 2024
Jul 16, 2024
Jul 16, 2024
Jul 16, 2024
Jul 16, 2024
Apr 12, 2024
Apr 12, 2024
Apr 12, 2024
Apr 5, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Jul 11, 2023
Jun 2, 2023
May 24, 2023
May 24, 2023
May 24, 2023
May 24, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Jan 26, 2023
Dec 20, 2022
Dec 12, 2022
May 27, 2022
May 27, 2022
May 27, 2022
May 27, 2022
May 27, 2022
May 27, 2022
Dec 6, 2021
Nov 4, 2021
Oct 28, 2021
Oct 25, 2021
Oct 25, 2021
Oct 25, 2021
Oct 25, 2021
Oct 13, 2021
Jul 5, 2021
Jul 5, 2021
Jul 5, 2021
Jul 5, 2021
Jul 5, 2021
Jul 5, 2021
Jul 5, 2021
Apr 9, 2018
Apr 9, 2018