The first step is to know the names of several organizations and make a survey list.
Web page link
Are there any patent agency qualifications and trademark agency records in the above-mentioned websites in China National Intellectual Property Administration?
Of course, there are also slag companies in the filing institutions, but they are definitely more reliable than unqualified companies.
The second step is to screen out qualified companies.
2-3 companies visit the company on the spot.
Look at the professionalism of the front desk and the professionalism of the agent.
Talk to them more, choose an agency and a real person!