Agenus Inc., (NASDAQ:AGEN) is a clinical-stage immuno-oncology company focused on the discovery and development of therapies that engage the body's immune system to fight cancer. The company offers Retrocyte Display, an antibody discovery platform for the identification of fully-human and humanized monoclonal antibodies; SECANT yeast display, an antibody discovery platform used for the generation of novel monoclonal antibodies; and phage display technologies. It is also developing checkpoint modulating antibody candidates targeting GITR, OX40, TIM-3, LAG-3, and others. In addition, the company develops vaccine programs, including Prophage cancer vaccine candidate; AutoSynVax, a synthetic neo-antigen; and PhosPhoSynVax, a vaccine candidate designed to induce immunity against a class of tumor specific neo-epitopes. Further, it develops QS-21 Stimulon adjuvant, a saponin-based vaccine adjuvant. Additionally, the company engages in the development of CTLA-4 and PD-1 antagonists; and anti-CTLA-4, CD137, and anti-TIGIT antibodies, as well as various multi-specific antibodies that are under various stages of development. Agenus Inc. has collaboration agreements with Incyte Corporation, Merck Sharpe & Dohme, and Recepta Biopharma SA. The company was formerly known as Antigenics Inc. and changed its name to Agenus Inc. in January 2011.