Alexion Pharmaceuticals, Inc. operates in the Pharmaceutical preparations sector. Alexion Pharmaceuticals, Inc. (Alexion) is a biopharmaceutical company engaged in the discovery, development and commercialization of therapeutic products aimed at treating patients with severe and life-threatening disease states, including those in the therapeutic areas of hematology, nephrology (including transplant rejection), neurology, ophthalmology and cancer. Alexion's marketed product, Soliris (eculizumab), is a therapy approved for the treatment of patients with paroxysmal nocturnal hemoglobinuria (PNH). On January 28, 2011, Alexion acquired Taligen Therapeutics, Inc. (Taligen). On February 10, 2011, Alexion acquired patents and assets from Germany-based Orphatec Pharmaceuticals GmbH (Orphatec) related to an investigational therapy for patients with Type A molybdenum cofactor deficiency (MoCD). In February 2012, the Company acquired Enobia Pharma Corp. In our complete report available for purchase the company is compared to: United Therapeutics Corporation, Regeneron Pharmaceuticals Incorporated and Cubist Pharmaceuticals Incorporated.