https://patent scope . WIPO . int/search/en/structured search . JSF；
(There is the word "Chinese" in the upper right corner of the page, which can translate the webpage retrieved by WIPO into Chinese, which is similar to the sinicization of software, but the content of substantive retrieval still needs to be entered in English);
Then according to the contents of the form, input the information of the target patent application, such as application number, WeChat official account, etc.
Support simple logical retrieval of AND and OR;
Then, after the input is completed, click the blue "Search" button in the lower right corner, then enter the web page of the target patent application, click "Document", and a table titled "Date Title View and Download" will appear;
Click the file under "Download" in the line where the required file is located, select "Save" in the pop-up window, and then select the local path.