Under the Korean Patent Act and KIPO’s Requirements for Patentability, the following are not patentable in Korea: any invention detrimental to public order, morality or public health scientific discoveries inventions not based on the law of nature (e.g. laws of economics, mathematical methods, etc.) arbitrary arrangements (e.g. rules for playing games) mental activities aesthetic effects (e.g. paintings, carvings) animal and plant varieties methods for medical treatment of the human body