Patent No. EP3389407 (titled "Nutritional Composition And Infant Formula For Promoting De Novo Myelination") was filed by Nestec on Dec 13, 2016. The application was issued on Nov 8, 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 |
|---|---|---|
| NUTRICIA | Aug 7, 2024 | NEDERLANDSCH OCTROOIBUREAU |
| FRIESLANDCAMPINA NEDERLAND | Jul 23, 2024 | FRIESLANDCAMPINA DEPARTMENT |
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.
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