1, open the browser, and open the patent examination information of China and multinational companies through the browser to inquire about official website:

2. Under the public inquiry of official website homepage, click Public User Registration:

3. Enter the registered mobile phone number:

4. Enter the registered email address:

5. Enter the password:

6. Enter the password again:

7. Click on the gray box of picture verification, and a picture prompt will pop up. Click on the text on the picture according to the prompt:

8. Click to get the verification code and enter the verification code received by the mobile phone:

9. After completing all the information, click OK:

10. Prompt after successful registration:

1 1. After successful registration, query and log in to the account you just registered in WeChat official account, enter your account number and password once, click on the graphic verification and then click Login:

12, the first login will have a usage statement:

13. After reading it, there is a consent statement in the lower left corner of the statement:

14. After agreeing to the statement, click Continue on the right:

15. Click to continue to enter the patent inquiry system, and click the transnational invention patent examination information inquiry at the top:

16. After selection, input according to the conditions of the query system, and click Query to query foreign patents: