If ten categories of trademarks are successfully registered in China, only three categories need to be declared to the designated country to register international trademarks. Domestic trademark registration can be one standard and multiple categories, while Madrid trademark is one standard and three categories. To register an international trademark, you only need to declare three categories to the designated country. To use the trademark to be registered first, the Madrid Trademark Registration Association requires the principle of intentional use or actual use because of the different trademark laws of designated countries, such as American trademarks.