A Pfizer logo is displayed at a research facility in the La Jolla neighborhood of San Diego, California, U.S., Sept. 30, 2025.Pfizer on Monday said it filed a second lawsuit against Novo Nordisk and Metsera, alleging that the Danish drugmaker's attempt to outbid Pfizer to acquire the obesity biotech is anticompetitive. Pfizer alleges that Ozempic maker Novo Nordisk's proposed acquisition of Metsera would help it maintain its dominant position in the blockbuster obesity market by eliminating a smaller potent ...