Legal analysis: 1. Different definitions. (1) Well-known trademarks generally refer to registered trademarks owned by trademark owners within the local (city) area, enjoying a high reputation in the local market and well-known to the relevant public. The local (municipal) industrial and commercial administration bureau is responsible for the identification and management of local (municipal) well-known trademarks. (2) Famous trademarks refer to trademarks and brands that are relatively well-known within a certain geographical range (such as provincial areas). It is mostly used in the selection of first-level reputational trademarks in provinces and municipalities in China, and often appears in local regulations. 2. The accreditation agencies are different. Well-known trademarks are recognized by the prefecture-level municipal industrial and commercial bureaus, while famous trademarks are recognized by the provincial industrial and commercial bureaus. 3. The identification standards are different.

Legal basis: "Trademark Law of the People's Republic of China" Article 22 Applicants for trademark registration shall fill in the product category and product name of the trademark in accordance with the prescribed product classification table, and submit an application for registration. . A trademark registration applicant can apply to register the same trademark for multiple categories of goods through one application. Trademark registration applications and other relevant documents can be submitted in writing or in the form of data messages.