Ambrx is a biopharmaceutical company that produces protein therapeutics which reduce frequency of dosing, and optimizes efficiency and safety. Ambrx, Inc. was founded in 2003 and is based in La Jolla, California. The company collaborates with Mabspace Biosciences for oncology purposes in China and internationally. They develop a range of products such as ADC, long-acting protein product candidates, collaboration product and product candidates, and other early-stage programs.