1 Exhibit 10.52 HEADS OF AGREEMENT: IMMUNOGEN /GENENTECH COLLABORATIVE AGREEMENT A. EFFECTIVE DATE: The effective date of this Heads of Agreement ("HEADS OF AGREEMENT") shall be as of May 2, 2000 (the "EFFECTIVE DATE"). B. PARTIES: The parties to this...Collaborative Agreement • September 27th, 2000 • Immunogen Inc • Pharmaceutical preparations
AND IMMUNOGEN, INCDevelopment, Commercialization and License Agreement • September 27th, 2000 • Immunogen Inc • Pharmaceutical preparations • New York
1. DEFINITIONSLicense Agreement • September 27th, 2000 • Immunogen Inc • Pharmaceutical preparations • California
