Patent No. EP2865382 (titled "Low-Caloric High-Protein Nutritional Composition For The Stimulation Of Muscle Protein Synthesis") was filed by Nutricia on Dec 23, 2010. The application was issued on Jan 17, 2018.

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 |
|---|---|---|
| NESTEC | Oct 17, 2018 | ELKINGTON & FIFE |
| NESTLE | Oct 17, 2018 | ELKINGTON AND FIFE |
| FRESENIUS KABI DEUTSCHLAND | Oct 16, 2018 | FRESENIUS KABI DEUTSCHLAND |
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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