Brief Introduction of China Patent Database Website

The website was founded in June 1998, which contains all patents since September 1985, including three sub-databases, namely, invention patents, utility model patents and design patents, and accurately reflects the latest patent inventions in China. The collected patent literature data is the electronic version of Patent Bulletin published by the State Intellectual Property Press. The website database can query all China patent data before and after the publication date. "China Patent Database" refers to the legal and technical information of a specific patent application or patent right, which is for public reference only. The database provides free patent search service for the public, and the related documents, achievements and other information come from CNKI database. You can search by search terms such as application number, application date, publication number, publication date, patent name, abstract, classification number, applicant, inventor, address, patent agency, agent and priority, and download the full text of the patent specification.