In efforts to bring down sky-high drug prices, the Federal Trade Commission announced on Tuesday it's challenging patents on 20 brand-name drugs, including the well-known weight-loss injection, Ozempic.
Federal regulators sent warning letters today to several drug makers telling companies they have by the end of May to withdraw or update their patent listings.
For more, KCBS Radio news anchors Bret Burkhart and Patti Reising spoke with Michael Risch Professor of Law at Villanova University.