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Proteon Pharmaceuticals Obtains Polish Patent for Innovative Bacteriophage Strains in Aquaculture

We are excited to announce that our bacteriophage-based technology has been granted patent protection by the Polish Patent Office.

The invention, “Bacteriophage strains and their applications”, published in February 2025 (patent no. 246657), is a significant step in advancing sustainable solutions for aquaculture. The objective of the invention are bacteriophages stimulating the fish immunity to prevent or combat infections caused by pathogenic strains of Aeromonas sp. and Pseudomonas sp. — two of the most common threats in industrial fish production.

Our bacteriophage cocktail is safe, natural, and well-tolerated by fish, offering an effective tool for disease prevention in aquaculture. This achievement underscores our commitment to pioneering biotechnological solutions for healthier and more sustainable fish farming.

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