Patent No. EP1814399 (titled "Beta-Serum Dairy Products, Neutral Lipid-Depleted And/Or Polar Lipid-Enriched Dairy Products, And Processes For Their Production") was filed by Fonterra Operative Group on Oct 12, 2005. The application was issued on May 18, 2016.

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 |
|---|---|---|
| ARLA FOODS AMBA | Feb 17, 2017 | ZACCO DENMARK |
| NUTRICIA | Feb 17, 2017 | NEDERLANDSCH OCTROOIBUREAU |
| SODIAAL SOCIETE DE DIFFUSION INTERNATIONALE AGRO ALIMENTAIRE CENTRE NATIONAL INTERPROFESSIONNEL DE LECONOMI | Feb 15, 2017 | DELAVEAU |
| FRIESLANDCAMPINA NEDERLAND | Feb 9, 2017 | FRIESLANDCAMPINA NEDERLAND |
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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