Patent No. EP3494805 (titled "Spray-Dried Tetrasaccharides") was filed by CHR Hansen HMO on Dec 8, 2017. The application was issued on Aug 13, 2025.

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 |
|---|---|---|
| GREAVES BREWSTER | May 11, 2026 | - |
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
Oct 1, 2026
Oct 1, 2026
Oct 1, 2026
Oct 1, 2026
Sep 29, 2026
Sep 25, 2026
Sep 25, 2026
Sep 25, 2026
Sep 25, 2026
Sep 25, 2026
Sep 18, 2026
Sep 17, 2026
Sep 16, 2026
Sep 16, 2026
Sep 16, 2026
Sep 15, 2026
Aug 21, 2026
Aug 21, 2026
Aug 21, 2026
May 29, 2026
May 29, 2026
May 18, 2026
May 11, 2026
May 11, 2026
May 11, 2026
May 11, 2026
May 11, 2026
May 11, 2026
May 11, 2026
May 11, 2026
May 11, 2026
May 11, 2026
May 11, 2026
May 11, 2026
May 11, 2026
May 11, 2026
May 11, 2026
May 11, 2026
May 11, 2026
May 11, 2026
May 11, 2026
May 11, 2026
May 11, 2026
May 11, 2026
Aug 26, 2025
Jul 17, 2025
Jul 4, 2025
Jul 4, 2025
Jul 4, 2025
Jul 4, 2025
Mar 10, 2025
Mar 10, 2025
Mar 10, 2025
Mar 10, 2025
Mar 10, 2025
Mar 10, 2025
Mar 7, 2025
Mar 7, 2025
Mar 7, 2025
Mar 7, 2025
Mar 7, 2025
Mar 7, 2025
Feb 18, 2025
Feb 5, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Sep 10, 2024
Sep 10, 2024
Nov 12, 2021
Nov 12, 2021
Nov 12, 2021
Nov 12, 2021
Nov 12, 2021
Sep 7, 2021
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Jun 9, 2021
May 14, 2021
May 14, 2021
May 4, 2021
May 4, 2021
Jan 29, 2021
Jan 29, 2021
Jan 29, 2021
Jan 29, 2021
Jan 29, 2021
Sep 22, 2020
Sep 22, 2020
Jul 10, 2020
Jul 10, 2020
Jul 10, 2020
Jul 10, 2020
Jul 10, 2020
Mar 13, 2020
Mar 13, 2020
Mar 6, 2020
Dec 11, 2019
Dec 11, 2019
Dec 11, 2019
Dec 11, 2019
Dec 11, 2019
Dec 11, 2019
Dec 11, 2019
Jun 17, 2019
May 15, 2019
Apr 25, 2019
Apr 12, 2019
Apr 12, 2019
Apr 12, 2019
Apr 11, 2018
Apr 11, 2018
Apr 11, 2018
Apr 11, 2018
Mar 27, 2018
Feb 19, 2018
Feb 19, 2018
Jan 23, 2018
Dec 8, 2017
Dec 8, 2017
Dec 8, 2017
Dec 8, 2017
Dec 8, 2017
Dec 8, 2017