Patent No. EP2437623 (titled "Liquid Enteral Nutritional Composition With A Low Monovalent Metal Ion Content") was filed by Nutricia on Jun 7, 2010. The application was issued on Sep 16, 2015.

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 |
|---|---|---|
| FRESENIUS KABI DEUTSCHLAND | Jun 16, 2016 | - |
| FRIESLANDCAMPINA NEDERLAND | Jun 16, 2016 | FRIESLANDCAMPINA NEDERLAND |
| NESTLE | Jun 13, 2016 | ELKINGTON AND FIFE |
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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