Patent No. EP4346450 (titled "Infant Formula For Feeding Infants Receiving Infant Formula And Human Breast Milk") was filed by Nutricia on Jun 3, 2022. The application was issued on Feb 26, 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 |
|---|---|---|
| STRAWMAN | Nov 25, 2025 | PELLEGRI |
| NESTLE | Nov 21, 2025 | ELKINGTON AND FIFE |
| FRIESLANDCAMPINA NEDERLAND | Nov 20, 2025 | FRIESLANDCAMPINA DEPARTMENT |
| ABBOTT | Nov 11, 2025 | BOULT WADE TENNANT |
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
Apr 15, 2026
Apr 15, 2026
Apr 15, 2026
Apr 15, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Apr 9, 2026
Feb 26, 2026
Feb 26, 2026
Feb 26, 2026
Feb 26, 2026
Feb 25, 2026
Feb 16, 2026
Feb 16, 2026
Feb 16, 2026
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Dec 10, 2025
Dec 8, 2025
Dec 1, 2025
Nov 27, 2025
Nov 27, 2025
Nov 25, 2025
Nov 25, 2025
Nov 25, 2025
Nov 25, 2025
Nov 25, 2025
Nov 25, 2025
Nov 25, 2025
Nov 25, 2025
Nov 25, 2025
Nov 25, 2025
Nov 25, 2025
Nov 25, 2025
Nov 25, 2025
Nov 25, 2025
Nov 21, 2025
Nov 21, 2025
Nov 21, 2025
Nov 21, 2025
Nov 21, 2025
Nov 21, 2025
Nov 21, 2025
Nov 21, 2025
Nov 21, 2025
Nov 21, 2025
Nov 21, 2025
Nov 21, 2025
Nov 21, 2025
Nov 21, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 17, 2025
Nov 11, 2025
Nov 11, 2025
Nov 11, 2025
Nov 11, 2025
Nov 11, 2025
Nov 11, 2025
Nov 11, 2025
Nov 11, 2025
Nov 11, 2025
Nov 11, 2025
Mar 11, 2025
Jan 30, 2025
Jan 20, 2025
Jan 20, 2025
Jan 20, 2025
Jan 20, 2025
Jan 20, 2025
Sep 20, 2024
Sep 20, 2024
Sep 20, 2024
Sep 20, 2024
Sep 20, 2024
Sep 20, 2024
Sep 2, 2024
Mar 13, 2024
Jan 31, 2024
Jan 31, 2024
Jan 31, 2024
Jan 31, 2024
Jan 31, 2024
Jan 11, 2024
Jan 4, 2024
Dec 14, 2023
Dec 14, 2023
Dec 11, 2023
Dec 11, 2023
Oct 13, 2023
Apr 13, 2023
Apr 13, 2023
Apr 13, 2023
Apr 13, 2023
Apr 13, 2023
Mar 30, 2023
Mar 27, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Jan 2, 2023
Dec 8, 2022
Dec 8, 2022
Jul 26, 2022
Jul 26, 2022
Jul 4, 2022
Jul 1, 2022
Jun 28, 2022
Jun 7, 2022
Jun 7, 2022
Jun 7, 2022
Jun 3, 2022
Jun 3, 2022
Jun 3, 2022
Jun 3, 2022
Jun 3, 2022
Jun 3, 2022