As artificial intelligence technology becomes increasingly sophisticated and advanced, a new era of creation through artificial intelligence has arrived, it has reached a level where it can match intellectual ability of humans, thereby improving human capabilities. An important issue was raised in relation to copyright law as to who owns the copyright of works created by autonomous artificial intelligence without human intervention. In order to solve this problem, one option currently available is to grant copyright to emergent works created by autonomous artificial intelligence, such as the artificial intelligence itself, users of artificial intelligence, artificial intelligence programmers, or artificial intelligence companies as copyright holders. Alternatively, a legislative policy could be chosen to not grant copyright at all by ensuring that such creations belong to the public domain as soon as they are created so that everyone can use them freely. Therefore, it is an important issue to prevent legal confusion by resolving the issue of who holds the copyright for the creations created by autonomous artificial intelligence. A legislative solution is needed to determine the most appropriate option among the options for granting and determining copyright holders. In line with this awareness of the problem, this study clearly presents copyright issues related to the creation of creative works by autonomous artificial intelligence, and consider legislative measures such as the revision of the copyright law, protection by other laws such as the Unfair Competition Prevention Act, or the review of protection under the special law(sui generis) and attribution to the public domain. Accordingly, it is expected to be used as a theoretical basis for legislative data to review ways not to grant copyrights according to copyright protection of artificial intelligence creations (i.e., belong to the public domain) or to grant authorship, propose the most valid alternative based on clear copyright-related grounds, and use it as a theoretical basis for judicial judgment in the event of a copyright-related dispute over creations of artificial intelligence.