法律英语 false designation of origin
虚假原产地名称(不实的来源标示)
1946年商标法(“兰哈姆法”)修订版(Source language: Trademark Act of 1946 (Lanham Act) as Amended.
It covers similar ground to trademark infringement, but is more specific to misrepresentation of source, and applies even when there is no trademark at issue. If your website makes it appear that you sell products made by Company X, but in fact you make these products in your garage, Company X might accuse you of falsely designating the origin of (or passing off) your items.