PDL BioPharma, Inc. acquires, manages, and commercializes commercial stage pharmaceutical assets and late clinical stage pharmaceutical products in North America, Europe, Asia, and internationally. The company operates through Medical Devices, Strategic Positions, Pharmaceutical, and Income Generating Assets segments. The Pharmaceutical segment manufactures, markets, and sells prescription medicine products for the treatment of hypertension to wholesalers under the Tekturna and Tekturna HCT names in the United States, as well as under the Rasilez and Rasilez HCT names internationally. The company was formerly known as Protein Design Labs, Inc. and changed its name to PDL BioPharma, Inc. in 2006.