rule of operationglossary / RULE OF OPERATION rule of operation. Patents. A method of using a machine to produce its intended useful result. • A rule of operation and moving parts generally distinguish a machine from an article of manufacture. 词条贡献者 译者Kelly,美国顶尖商学院国际经济法专业,擅长翻译各种与投资基金与基金顾问诉讼相关的法律文件。