Patent Act Article 157-4
Transitional provisions: patent term of design patentWith respect to the term of a design patent, when the term of the patent has not expired prior to the implementation of the April 16, 2019 amendment to this Act, the amended Patent Act shall apply.With respect to the term of a design patent, when the patent right has become extinguished pursuant to Subparagraph 3, Paragraph 1 of Article 70 applicable mutatis mutandis under Paragraph 1 of Article 142 prior to the implementation of the April 16, 2019 amendment to this Act, and then has been reinstated through an application made according to Paragraph 2 of Article 70 applicable mutatis mutandis under Paragraph 1of Article 142 after the implementation of the April 16, 2019 amendment to this Act, the amended Patent Act shall apply.