MELVILLE, N.Y.--(BUSINESS WIRE)--OSI Pharmaceuticals, Inc. (NASDAQ: OSIP) announced today that the decision of the European Patent Office (EPO) to revoke one of the Company’s dipeptidyl peptidase IV (DP-IV) patents, EP0896538, claiming the use of DP-IV inhibitors to treat type II diabetes and related indications, has been upheld in appeal proceedings brought by the Company.
