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China
In 2006, 210 490 invention patent applications were filed with the Chinese patent office, an increase of 21,4 % over 2005. This site provides further details on filing trends and grant figures in China. It offers background information on the Chinese patent system and guidance on other essentials of Chinese patent documentation. See the “searching in databases” section for tips on how to search free sources of Chinese patent information.
FAQ
Answers to common questions about patents and patent information in China. If you cannot find the answer you are looking for, you can write to us using our form. If your question is of general interest, and if you agree, we will add it, together with our answer, to the FAQ. All information submitted to us will be treated confidentially.
Facts and figures
Developments in filing figures and application trends in China.
Grant procedure
A flowchart overview of the most important steps in the Chinese procedures from filing an application to the grant of a patent.
Numbering system
An introduction to the most important document types (including kind codes) and explanations of the formats for document numbers in China.
Useful terms
Some common patent terms in Chinese, Western transcription and English translation.
Searching in databases
Tips and tricks for using free Chinese data sources without knowledge of the language. Simple, step-by-step search guides demonstrate how to make the most of the wealth of data available in original Chinese databases.