As of mid-2007, OSI's revenues are based primarily on proceeds from Tarceva sales (which are shared with Genentech and Hoffmann–La Roche) and royalty payments related to dipeptidyl-peptidase IV inhibitor intellectual property.[6]
^ "2006 Annual Report" (PDF) pg22. OSI Pharmaceuticals (2007-02-28). Retrieved on 2008-01-20. “As of February 7, 2007, our number of employees decreased to 554, of which 276 primarily are involved in research, development and manufacturing activities and 140 primarily are involved in the commercialization of our products.”
^ "2006 Annual Report" (PDF) pg5. OSI Pharmaceuticals (2007-02-28). Retrieved on 2008-01-20. “As a result of our decision to divest the eye disease business held by our wholly-owned subsidiary, (OSI) Eyetech, Inc., the operating results for (OSI) Eyetech are shown as discontinued operations...”