AP Biosciences Inc, a clinical-stage biopharmaceutical company, researches and develops bispecific antibody drugs for unmet medical needs. It develops IBI302 that is in phase III clinical trials for the treatment of neovascular age-related macular degeneration; AP505 that is in phase I clinical trials for treating solid tumors; AP203 that is in phase I clinical trial for non-small cell lung cancer, head and neck squamous cell carcinoma, and esophageal squamous-cell carcinomas; AP402, which is in in the pre-clinical research phase for breast cancer patients; and AP601 that is in pre-clinical research phase for treating lung cancer, pancreatic cancer, bladder cancer, ovarian cancer, and other solid tumors. The company was founded in 2013 and is based in Taipei City, Taiwan.