 On 27 September 1962, Chong, aged 27, used his savings from his teaching days to pay for his ship ticket to London, United Kingdom to begin his studies after being accepted into Lincoln's Inn.Working tirelessly, he finished his studies in 18 months compared to the usual three years.Upon completion of his studies and admission to the English Bar in February 1965, Chong would return home to practice and eventually founded the law firm "Chong Brothers Advocates" in 1968 alongside his younger brother, Chong Siew Chiang.