Patent search and analysis portal:/
China and multinational patent examination information query portal:/?
China patent announcement inquiry entrance:/
The following is to guide newcomers how to search.
China Patent Inquiry System Course
(1) webpage access:/video/video1/content/ch03/index.html.
(2) Tutorial download:/zlcxfl/zgzlcxxtjc.rar. After downloading the tutorial, please decompress it, run the program "\webapp\content\main.html" under the folder, and click the page "How to inquire about patent-related information" to start this tutorial. If you are prompted to block the pop-up window, you must click Allow Blocked Content before the program can run normally.