Patent No. EP3331383 (titled "Nutritional Compositions And Infant Formulas Comprising Bifidobacterium Animalis Ssp. Lactis And Optionally A Mix Of Oligosaccharides For Inducing A Gut Microbiota Close To The One Of Breast Fed Infants") was filed by Nestec on Aug 4, 2016. The application was issued on May 5, 2021.

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 |
|---|---|---|
| CHR HANSEN | Feb 4, 2022 | UEXKULL & STOLBERG |
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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