Biogen And Millennium May Be Ensnared In Tentacles Of Genentech’s Expired Cabilly Patent

Genentech claims Biogen and Millennium owe royalties on sales of Tysabri and Entyvio that were stockpiled when the Cabilly patent expired. Hospira faced similar litigation over its erythropoietin biosimilar and had to pay Amgen $70m in damages.