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Yum bought a 3% stake in the third-party delivery app in 2018 as more national chains looked to lift sales by offering delivery. As part of the deal, the two signed a contract that required the delivery app to give Yum favorable pricing and service levels for thousands of Taco Bell and KFC restaurants, which are largely operated by franchisees.
The lawsuit, filed Thursday in New York County’s Supreme Court, alleges that Grubhub CEO Matt Maloney improperly terminated the company’s contract with Yum on June 2. He sent the company a letter claiming that Yum’s…