Sevion Therapeutics, Inc. is a development-stage biotech company. The Company is engaged in building and developing a portfolio of therapeutics, from both internal discovery and acquisition, for the treatment of cancer and immunological diseases. The Company is engaged in the development and licensing of technology to discover and engineer monoclonal antibodies. The Company's product candidates are derived from multiple technology platforms, such as cell-based arrayed antibody discovery, ultralong antibody scaffolds and Chimerasome nanocages. The Company has various antibodies in its preclinical pipeline. The Company's antibody therapeutic candidates target the potassium channel, voltage dependent (Kv1.3) ion channel, which is essential in the pathogenesis of several autoimmune and inflammatory disorders. Other antibodies in its pipeline target cell surface molecules involved in cancer progression.