Operating environment: Lenovo rescuer Y7000, windows 10, etc.
1. Open a browser, open Baidu search, enter "China National Intellectual Property Administration" in the search box and confirm. See the figure below for the official of China National Intellectual Property Administration.
2. Scroll down on China National Intellectual Property Administration's homepage and find the column of government services. The patent column has the option to query patent examination information.
3. Click on the patent examination information query option to enter the patent examination information query in China and many countries. If the patent is applied for by yourself, select the electronic application registered user on the left to inquire. If the patent is applied through a patent agent, the company's patent is generally inquired by the public in terms of rights.
4. Open the query page, and one of the invention name, application number and applicant must be filled in the query conditions. The input application number/patent number must be 9 digits or 13 digits, and the letter "ZL" is not required, nor can it contain "". Enter the patent number or application number to be queried, enter the calculation result in the verification code, and click Query, and the following kinds of inventions will appear, which are generally divided into three categories: invention, utility model and appearance.
5. Click on the patent application number. The new page contains application information, audit information, fee information, post information and announcements. You can open them one by one and check them carefully.