Enforcement Rules of the Patent Act Article 66

In requesting for recordation of sub-licensing of patent right, a request shall be submitted by the licensee or the sub-licensee and accompanied by the following documents:1.for recordation of sub-licensing, the sub-license contract or document(s) of proof with respect to such sub-licensing;2.for alteration of the recordation of sub-licensing, document(s) of proof with respect to such alteration;3.for deletion of sub-licensing recordation, a letter consenting deletion of the sub-licensing recordation issued by the sub-licensee, a judgment of the court along with a certificate stating the judgment is final and binding, or documents which legally have the equivalent effect as a final and binding judgment of the court. However, where the sub-license is terminated due to expiration of the licensed term or sub-licensed term, the above documents need not be submitted.Paragraph 2 of the preceding Rule shall apply mutatis mutandis to the items to be specified in the sub-license contract or the document(s) of proof thereof referred to in Subparagraph 1 of the preceding paragraph.The sub-licensed scope is limited to the original licensed scope.