AZ pays $775m to settle patent dispute with Chugai over Ultomiris
AstraZeneca has resolved a lingering liability following its takeover of Alexion with an agreement to pay $775 million to settle a patent dispute with Chugai Pharma, Roche’s Japanese subsidiary. The long-running disagreement focuses on Ultomiris (ravulizumab), Alexion’s long-acting complement C5 inhibitor for paroxysmal nocturnal hemoglobinuria and haemolytic uraemic syndrome (HUS). Chugai claimed that Ultomiris uses […]