By Wojciech Kosc in Warsaw Warburg Pincus, a private equity fund owning the Gemini pharmacy chain, wants Poland to ease rules that limit setting up new pharmacies or face arbitration that could order Warsaw to pay billions of dollars in compensation, the Polish newspaper Rzeczpospolita reported on April 26. Poland limited the development of pharmacy chains in 2017, tightening the law further in 2023 to close loopholes in the law that companies exploited. Today, the law limits pharmacy ownership to pharmacists only, restricts opening of new pharmacies near existing ones, and sets a cap where on…