For documents that have been authorized, you can go to the Patent Office to copy the examination documents. If you are in the application process and have applied electronically, you can check it through the public portal of the official website of the State Intellectual Property Office below.

/zhfwpt/zlxxcx/

Inquiry portal for patent examination information in China and multiple countries: /

Consultation hotline: 010-62086383

Consultation Email: query@sipo.gov.cn

Inquiry service introduction

China patent examination information inquiry is to satisfy the needs of applicants, patentees, agencies and the public regarding patent applications. Query requirements and build a network query system. Users are divided into registered users and ordinary users. Registered user: refers to the registered user of electronic application. You can log in using the registered name and password of electronic application to query the relevant information of all patent applications under the registered user name (basic information, fee information, review information, announcement information, patent authorization certificate information ); Ordinary users: refer to the public, who can query published invention patent applications, or published invention, utility model and design patent applications by inputting the application number, invention name, applicant/patentee name, etc. Relevant content (basic information, review information, announcement information).

The multi-country invention patent examination information query service can query the invention patent examination information accepted by the China State Intellectual Property Office, the European Patent Office, the Japan Patent Office, the Korean Patent Office, and the United States Patent and Trademark Office. Users log in to the system and enter the multi-national invention patent examination information query interface. They can query the relevant information of the same family (provided by the European Patent Office) of the application by entering the application number, publication number, and priority number, and can query the information of China, Europe, Japan, Application and review information for South Korea and the United States.