Answer: China Trademark Network has too many visits and the server is not very good, so it is normal that it often cannot be opened. If the Trademark Office cannot open it, you can try sbreg/easy to open for browsing. To facilitate your trademark inquiry, you need to provide a trademark sample and applicant information. Individuals need a copy of the front and back of their personal ID card and a copy of the individual industrial and commercial household license (relevant business scope). The company needs a copy of the company license and a valid annual license. The registration time is 1-2 years, and the registration is not 100% successful. Trademark Office