As far as trademarks are concerned, there are forty-five categories in total. Once all trademarks are registered, they will be calculated according to one category and one standard. All trademarks that have been successfully approved and registered by the Trademark Office will receive certificates, that is, four trademarks. Fifteen certificates. However, the number of trademarks that have been successfully registered and applied for by the Trademark Office is relatively large, and it is not easy to successfully pass the review for all categories. Of course, it depends on how distinctive your trademark name is. The similarity of specific trademarks is different. Generally speaking, it is difficult to obtain the ideal registration approval for all categories. Please learn more about the trademark application process and you will understand. Thanks.