Portage Biotech, Inc. is a biotechnology company, which engages in the research and development of immuno-oncology therapies for patients with cancer. Its portfolio includes first-in-class invariant natural killer T cell (iNKT) small molecule engagers and best-in-class adenosine antagonists. The company was founded by Gregory H. Bailey and James Mellon in 1973 and is headquartered in Road Town, British Virgin Islands.