Enforcement Rules of the Patent Act Article 63

When requesting for recordation of patent right assignment, a request form shall be submitted by the assignor or the assignee and accompanied by deed of assignment or document(s) of proof with respect to the assignment.When requesting for recordation of patent right succession due to amalgamation or acquisition of companies, the documents to be submitted in the preceding paragraph are document(s) of proof with respect to the amalgamation or acquisition.
中文原文 專利法施行細則第63條
申請專利權讓與登記者,應由原專利權人或受讓人備具申請書,並檢附讓與契約或讓與證明文件。
公司因併購申請承受專利權登記者,前項應檢附文件,為併購之證明文件。

English translation for reference only; the Chinese text prevails. Not legal advice.