Three ways:

First, connect to the website of the State Administration for Industry and Commerce and ask them to open a port for you; currently two companies have obtained this authority;

The second is to get a crawler and crawl 24 hours a day;

The third is to cooperate with a company that has obtained permission or a company with a database to obtain transactions.

Supplement: With the development of science and technology in the country and the rapid upgrading of the Internet, the Trademark Office database will become more and more open.