About ImmunoGen, Inc.
ImmunoGen, Inc. was a United States–based biopharmaceutical company focused on the development and commercialization of antibody-drug conjugates (ADCs) for the treatment of cancer. The company specialized in proprietary ADC technologies that combine monoclonal antibodies with cytotoxic agents to selectively target and destroy cancer cells. Its portfolio included oncology therapies and clinical-stage product candidates for solid tumors and hematologic malignancies, as well as technology licensing collaborations with global pharmaceutical companies. ImmunoGen conducted research, clinical development, regulatory, and commercialization activities supporting innovative cancer treatments. The company was founded in 1981 and was headquartered in Waltham, Massachusetts, United States.