Icon infringement criteria: First, without the permission of the icon registrant, in the same goods or similar goods on the same or similar to the use of the registered trademark of the same or similar to the act of icon infringement, also known as the use of infringement. Second, the sale of goods infringing the exclusive right to use the registered icon, that is, the circulation of the icon infringement, also known as sales infringement. Third, counterfeiting, unauthorized manufacture of other registered icons or sales of counterfeiting, unauthorized manufacture of registered icons, also known as icon marking infringement. Fourth, without the consent of the icon registrant, replacement of its registered icon and the replacement of the trademark goods into the market behavior, known as reverse counterfeiting in foreign countries. Fifthly, it is the act of causing other damages to the exclusive right to use the registered icon of others.

Baidu (English name: Baidu, Inc.) is an Internet company mainly engaged in search engine services, founded on January 1, 2000 by Robin Li and Xu Yong in Zhongguancun, Beijing. The name "Baidu" is derived from the words of Xin Qiji, a Chinese lyricist of the Southern Song Dynasty: "Searching for him in a thousand miles", which describes the lyricist's persistent pursuit of his ideals. The company's business scope covers search, artificial intelligence, cloud computing, big data, etc., and is one of the three giants of Chinese Internet companies.