Abstract: It is reported to get the Chinese invention patents data of the key universities of China, i.e. South China Agricultural University, China Agricultural University, Zhongshan University, South China University of Technology with the parent information database intellectual property from 1994 to 2012, to analyse the patent output, distribution type, technology, inventors, and patent applications of the four universities with the first 10 ranking technologies and the first 5 inventors, to evaluate the advantages of experts representing their disciplines and technologies, thus to understand the four universities with their Chinese invention patents message status, technical developments and trends.

Key words: KeyUniversities