Patent No. EP3773509 (titled "Spray Drying Process For Low Aspect Ratio Particles Comprising Poly[(Methyl Methacrylate)-Co-(Methacrylic Acid)]") was filed by Capsugel Belgium on Apr 1, 2019. The application was issued on Nov 1, 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 |
|---|---|---|
| EVONIK OPERATIONS | Aug 1, 2024 | EVONIK PATENT ASSOCIATION |
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
Sep 5, 2025
Sep 5, 2025
Sep 5, 2025
Sep 5, 2025
Sep 5, 2025
Sep 5, 2025
Aug 13, 2025
Aug 12, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Jan 16, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Dec 10, 2024
Dec 10, 2024
Dec 3, 2024
Dec 3, 2024
Dec 3, 2024
Sep 13, 2024
Sep 10, 2024
Sep 10, 2024
Sep 10, 2024
Sep 10, 2024
Sep 10, 2024
Aug 6, 2024
Aug 6, 2024
Aug 6, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Nov 14, 2023
Oct 6, 2023
Sep 26, 2023
Sep 26, 2023
Sep 26, 2023
Sep 26, 2023
Sep 26, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Nov 2, 2022
Nov 2, 2022
Nov 2, 2022
Nov 2, 2022
Nov 2, 2022
Aug 2, 2022
Aug 2, 2022
Jul 18, 2022
May 7, 2021
May 7, 2021
May 7, 2021
Jan 20, 2021
Nov 17, 2020
Nov 11, 2020
Nov 11, 2020
Oct 27, 2020
Oct 27, 2020
Oct 19, 2020
Aug 14, 2020
Oct 29, 2019
Oct 10, 2019
Oct 10, 2019
May 2, 2019
May 2, 2019
Apr 24, 2019
Apr 23, 2019
Apr 23, 2019
Apr 23, 2019
Apr 23, 2019
Apr 16, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019
Apr 5, 2019