WALTHAM, Mass.--(BUSINESS WIRE)--ImmunoGen, Inc. (Nasdaq: IMGN), a biopharmaceutical company that develops targeted anticancer therapeutics, announced today that there will be several clinical data presentations for compounds utilizing the Company’s Targeted Antibody Payload (TAP) technology at the 2010 Annual Meeting of the American Society of Clinical Oncology (ASCO) being held in Chicago on June 4-8, 2010.