Patent Act Article 155

Transitional provisions: no revival of extinguished patent rightIf any of the following events exists at the time of the implementation of November 29, 2011 amendment of this Act, Paragraph 4 of Article 52, Paragraph 2 of Article 70, Paragraph 4 of Article 52 applicable mutatis mutandis under Article 120, Paragraph 2 of Article 70 applicable mutatis mutandis under Article 120, Paragraph 4 of Article 52 applicable mutatis mutandis under Paragraph 1 of Article 142, and Paragraph 2 of Article 70 applicable mutatis mutandis under Paragraph 1 of Article 142 shall not apply:1. where, at the time of the said implementation, the time period for payment of annuity has expired and the patent concerned has become non-existent ab initio pursuant to the former Paragraph 1 of Article 51, Paragraph 1 of Article 101, or Paragraph 1 of Article 113 of this Act; or2. where, at the time of the said implementation, a patent has become extinguished pursuant to the former Subparagraph 3 of Article 66, Subparagraph 3 of Article 66 applicable mutatis mutandis under Article 108, or Subparagraph 3 of Article 66 applicable mutatis mutandis under Paragraph 1, Article 129 of this Act.