Patent No. EP2152087 (titled "Low-Calorie Milk Products") was filed by Friesland Brands on May 5, 2008. The application was issued on Apr 1, 2020.
A method to make low-calorie milk products that have reduced lactose, are visually appealing, and taste good. The method involves filtering skim milk through microfiltration with a pore size between 100-500 nm to concentrate the casein and reduce lactose. The concentrated milk is then diluted and flavored to taste, with added salt, sweeteners, and dietary fibers as desired. This creates a low-calorie milk product with improved taste and mouthfeel compared to regular skim milk.

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 | Dec 1, 2017 | GUARDIAN CONSULTING IS |
| OMEGA PHYTONUTRITION UG HAFTUNGSBESCHR | Apr 26, 2017 | - |
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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