Patent No. EP3897208 (titled "A Nutritional Composition Comprising A Combination Of Human Milk Oligosaccharides To Improve The Gastrointestinal Barrier") was filed by Nestle on Dec 11, 2019. 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 |
|---|---|---|
| ABG LAW | Nov 25, 2025 | ABG LAW |
| NUTRICIA | Nov 24, 2025 | NEDERLANDSCH OCTROOIBUREAU |
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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