Patent Act Article 138

Disposal of derivative design patentA derivative design patent right shall be assigned, entrusted, inherited, licensed or pledged along with its original design patent.Where the original design patent right becomes extinguished or is revoked finally and bindingly pursuant to Subparagraph 3 or 4, Paragraph 1 of Article 70 applicable mutatis mutandis under Paragraph 1 of Article 142, the two or more derivative design patents that are still in force shall not be separately assigned, entrusted, inherited, licensed, or pledged.