WALTHAM, Mass.--(BUSINESS WIRE)--Nov. 19, 2009-- ImmunoGen, Inc. (Nasdaq: IMGN), a biotechnology company that develops targeted anticancer products, today announced that Amgen Inc. has licensed the exclusive right to use the Company's maytansinoid Targeted Antibody Payload (TAP) technology to develop anticancer therapeutics to an undisclosed target. This is the second such license to be taken by Amgen – the company licensed the exclusive right to use ImmunoGen's TAP technology for another undisclosed cancer target in September 2009. "Amgen undertook extensive diligence prior to taking the first license that enabled them to move ahead quickly with this second license," commented Daniel Junius, President and Chief Executive Officer. "The commitment Amgen is showing to the development of significant new anticancer compounds using our TAP technology is impressive – both in the pace that they took this second license and in their thoroughness around product timelines."