rule of decisionglossary / RULE OF DECISION rule of decision. A rule, statute, body of law, or prior decision that provides the basis for deciding or adjudicating a case. [Cases: Courts 88. C.J.S. Courts § 139; Trade-Marks, Trade-Names, and Unfair Competition § 187.] 词条贡献者 译者Peter,毕业于亚洲顶尖的高级翻译学院,擅长翻译各种与复杂金融产品相关的法律文件。