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Wrigley Wins Appeal Challenging Rival's Stevia Gum Patent

By Tabitha Burbidge ( May 12, 2025, 7:49 PM BST) -- Chewing gum maker Wrigley has convinced appellate patent officials to scrap a stevia-sweetened chewing gum patent owned by rival confectioner Perfetti Van Melle, with the European Patent Office ruling that the recipe lacks the innovation needed to warrant protection....

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