1. To check whether a trademark is registered, first log in to the "China Trademark Network" and click on Trademark Query:

2. To check whether a trademark is registered, you need to enter the Trademark Office query system and click on "Trademark Comprehensive Query" ”:

3. Enter the international classification number in the input box (1 to 45 numbers represent different product or service categories). If you are not sure, you can click the button behind and the following dialog box will appear and then according to your product Select a category:

4. Select the international classification number (several commonly used categories: Category 3 cosmetics, Category 5 pharmaceuticals, Category 9 electronic products, Category 18 bags, Category 25 clothing, Category 35 online sales, Specialty stores, Category 43 restaurants and hotels), enter the name you want to query in the trademark name column and click Query.

There are a thousand Hamelets among a thousand people. No two identical leaves can be found in the world. Everyone has different opinions and views. For the same thing, everyone can There will also be different judging criteria. My answer may not be the most standard or correct, but I hope it can be of some help to you and get your approval. Thank you!