The importance of intellectual property rights (IPRs) for innovation has grown and the protection of intellectual property in international trade has also been strengthened. AI-related patent applications have been increasing rapidly and many AI patents are being filed in various industries. Intellectual property also represents one of the main controversies of U.S.-China trade relations in the past three decades and remains one of the core issues behind the two countries’ recent trade conflicts. As a result, global protection for IPRs has been expanded in recent decades. This article investigates changes in the trend regarding the IP protection level in FTA and how the IP protection through FTAs has affected the composition of aggregate trade flows of member countries in order to provide basic findings necessary to formulate the FTA policies regarding the protection of IPRs in Korea.