Judge McMahon presides over the consolidated cases challenging McDonald's grant terminations. On July 25, 2025, she issued a Decision and Order granting in part and denying in part motions for preliminary injunction and to dismiss. On August 6, 2025, she issued an Order Granting Preliminary Injunction, staying the termination of grants to class members and enjoining defendants from re-obligating those funds. Her rulings have constrained McDonald's ability to implement the grant cancellations.