express agencyglossary / express agency An actual agency arising from the principal’s written or oral authorization of a person to act as the principal’s agent. Cf. implied agency. [Cases: Principal and Agent 96. C.J.S. Agency §§ 148–149.] 词条贡献者 资深译员Laura,毕业于一所培养高级翻译以及跨文化事务专家的精英大学,专注翻译各种与美国公司法规有关的法律文件。