After Amgen tried to get a judgment against Hoffman-La Roche that Roche’s product, MIRCERA®, would infringe Amgen’s five patents if imported into the United States, Roche tried to get the patents invalidated. Amgen v. Hoffman-La Roche (09-1020, -1096). The patents, U.S. Patent Nos. 5,441,868, 5,547,933, 5,618,698, 5,756,349, and 5,955,422, relate to the production of erythropoietin […]