1, online trademark inquiry system (free of charge): This system is an open trademark inquiry system of the State Trademark Office, which can inquire about the trademark files made public by the Trademark Office.
2. Internal trademark inquiry system (free of charge): This system is the company's internal trademark inquiry system, which can inquire the trademark files applied for in the last 6 months.
3. Official inquiry (charge): You need to submit an inquiry application to the Trademark Office and pay the corresponding inquiry fee.