Chiome Bioscience Inc. engages in the research and development of drug discovery technology platforms worldwide. The company operates through two segments, Drug Discovery Business and Drug Discovery Support Business. It offers ADLib System, a monoclonal antibody generating system for drug discovery and development; and Human ADLib System, a chicken antibody gene converted to humanized antibodies. The company also provides protein expression and purification services; stable cell line generation services for recombinant protein and antibody production; and antibody generation services using the ADLib system or B cell cloning techniques. Its product pipeline comprises ADCT-701, an anti-dlk1 antibody for treating liver cancer which is under phase 1 trial; CBA-1205, an afucosylated anti-dlk1 antibody for liver cancer, lung cancer, and neuroblastoma which is under phase 1 trial; and CBA-1535, an anti 5T4/WAIF1 antibody for malignant mesothelioma, small cell lung cancer, non-small cell lung cancer, and breast cancer (TNBC) which is under phase 1 trial. The company’s product pipeline under preclinical study includes LIV-2008/2008b, an anti-TROP-2 antibody for the treatment of TNBC, lung cancer, and colorectal cancer; BMAA, an anti-semphorin3a antibody for treating central, immune/ inflammatory diseases, neurological disorder, and ophthalmic diseases; PCDC, an anti- CDCP1 antibody for lung, colorectal, pancreatic, breast, and ovarian tumors; PTRY, an antibody 5T4/CD3/PD-L1 for treating malignant mesothelioma, small cell lung cancer, non-small cell lung cancer, triple negative breast cancer; and PFKR, anti-CX3CR1 antibody for secondary progressive multiple sclerosis. It serves universities, research institutions, and pharmaceutical companies. Chiome Bioscience Inc. was incorporated in 2005 and is headquartered in Tokyo, Japan.