Enforcement Rules of the Trademark Act Article 5
Where an applicant appoints an agent, a power of attorney shall be submitted, specifying powers delegated to the agent.The appointment referred to in the preceding paragraph may relate to one or more existing and future trademark applications, changes, oppositions, invalidations, revocations and other relevant procedures.Any change to the power delegated to the agent shall have no effect if a written notice thereof is not submitted to the Registrar Office.Any change in the agent’s address for service shall be reported to the Registrar Office by giving a written notice thereof.
中文原文 商標法施行細則第5條
委任代理人者，應檢附委任書，載明代理之權限。
前項委任，得就現在或未來一件或多件商標之申請註冊、異動、異議、評定、廢止及其他相關程序為之。
代理人權限之變更，非以書面通知商標專責機關，對商標專責機關不生效力。
代理人送達處所變更，應以書面通知商標專責機關。
前項委任，得就現在或未來一件或多件商標之申請註冊、異動、異議、評定、廢止及其他相關程序為之。
代理人權限之變更，非以書面通知商標專責機關，對商標專責機關不生效力。
代理人送達處所變更，應以書面通知商標專責機關。