law of deceitglossary / LAW OF DECEIT law of deceit. Hist. The body of 19th-century common-law torts that developed into the modern laws of trademark, securities fraud, deceptive trade practices, and unfair competition. 词条贡献者 双语律师William,国内知名法学院金融专业,擅长翻译各类与投资基金、投资顾问及金融衍生工具相关的法律文件。