Choi also worked as a trainee and summer associate at a Tokyo IP firm, where he prepared amendments and arguments in response to Japanese patent office actions, monitored changes in Korean patent law, and advised Japanese clients on their implications. Choi previously completed a training course for IP lawyers through the Korean Intellectual Property Office. He is a 2014 graduate of the Boston College Law School, and graduated cum laude from Seoul National University with a B.S. in Electrical Engineering.