What are the ways to inquire about trademark patents?

Query step 1, query approach and patent query can generally be queried in the database published by China National Intellectual Property Administration. You can also entrust a patent search center to make professional inquiries. 2. Analyze the types of patents to be queried. In China, there are three types of patents: invention, utility model and appearance patent. Only when the type of patent is determined can it be inquired. 3. If there is a patent number/application number, you can directly enter it in the column of patent number/application number.