MELVILLE, N.Y.--(BUSINESS WIRE)--OSI Pharmaceuticals, Inc. (NASDAQ: OSIP) announced today that the U.S. Patent & Trademark Office has issued a “Notice of Allowance” in OSI’s reissue application for U.S. Patent No.5,747,498 (the ‘498) composition of matter patent for Tarceva® (erlotinib). The reissued patent will replace the original ‘498 patent and have the same November 2018 expiration date.
