federal lawglossary / federal law federal law. The body of law consisting of the U.S. Constitution, federal statutes and regulations, U.S. treaties, and federal common law. Cf. STATE LAW. 词条贡献者 双语律师Philipp,国际知名法学院法律专业,擅长翻译各类与医疗保健相关诉讼相关的法律文件。