Well-known trademarks generally refer to registered trademarks owned by trademark owners within the local (city) area, which enjoy a high reputation in the market and are well-known to the relevant public. The prefecture (city) industrial and commercial administration is responsible for the identification and management of local (city) well-known trademarks. The standards for identifying well-known trademarks vary from place to place, but generally the following aspects should be considered: First, the trademark is a domestically valid trademark owned by enterprises, institutions, social groups, and individual industrial and commercial households established in accordance with the law within the local (city) scope. Registered trademark; secondly, the coverage and market share of goods using this trademark are among the top in the local industry; thirdly, the comprehensive benefits of the enterprise are good, and the main economic indicators (sales, profits and taxes, etc.) of goods using this trademark in the past two years, Leading the local industry; fourth, focusing on the advertising of the trademark and having a high reputation among the relevant public; fifth, the quality of goods using the trademark is stable and reliable, and the consumer complaint rate is low; sixth, there have been no violations of the law in the past three years business behavior. From the date of recognition of a well-known trademark, if others use words that are identical or similar to the well-known trademark as the name of an enterprise that produces the same or similar products, and may cause misunderstanding by the public, the industrial and commercial administration department will not approve the registration; other operators Unauthorized use of the unique name, packaging, or names similar to goods recognized as well-known trademarks is prohibited.