Enforcement Rules of the Patent Act Article 79
Marking of a patent certificate number prescribed under Article 98 of the Act shall not be made after the patent is extinguished or its revocation becomes final and binding, unless a patent certificate number has been marked on the patented article and the patented article has been circulated into the market before the patent is extinguished or its revocation becomes final and binding.
中文原文 專利法施行細則第79條
本法第九十八條所定專利證書號數標示之附加，在專利權消滅或撤銷確定後，不得為之。
但於專利權消滅或撤銷確定前已標示並流通進入市場者，不在此限。
但於專利權消滅或撤銷確定前已標示並流通進入市場者，不在此限。