This research will firstly define “game clone” from a factual perspective and then give analysis on that from a legal perspective by making reference to both the guidance from international copyright treaties and the legal experiences from US and EU. The aim of this research is to provide possible solutions to those problems. 

This presentation gives insights on how the issues related to game clone are handled with under both the international and national frameworks. Under the international framework, this presentation considers whether a videogame is protectable, what kind of work it can be, the act of game cloning may fall into the scope of what kind of rights, and whether the game clone is related to the protection of technological measures. Under the national framework, this presentation gives analysis on how the concepts like idea/expression dichotomy, originality, and substantial similarity are applied to the videogame under the legal practices in US and EU.