Research On The Measurement Of Evolutionary Path And Patent Rights Fragmentation For China Mobile Communication Technology

Mobile communication technology is a highly competitive field of patents. Mobile communication technology standards competition has risen to the national strategic level.In the development of mobile communication technology, foreign companies, such as Qualcomm, Ericsson and so on, has mastered the core patents of mobile communication for a long time, occupying most of the market share. Chinese companies, such as ZTE and Huawei and so on, are now among the forefront in the number of patents of mobile communication technology after technological breakthrough. Consequently, China has its own 3G and 4G technology standard.Patents are powerful guarantee of market competition, the competition of mobile communication technology standards patents is most intense.And this paper analyses the evolution path of mobile communication technology standards patents.With the development of technology,more and more people continue to enter the mobile communication technology field. So that patents in this field have been owned by different patentees, patent fragmentation phenomenon has appeared. Through the analysis of mobile communications technology patent portfolio, this paper explores the patent fragmentation status in this area with existing patents concentration measurement theory, analysing the dispersion reasons. And this paper provides information support and suggestions for the healthy and orderly development of mobile communication technology in China.By sorting out the layout of the patent in the mobile communication technology development status,this paper proposed three hypotheses. On the select of patent concentration measurement methods, this paper has selected HHI as a research method by comprehensive comparative analysis among the existing measurement methods. This paper analyzes the patents in mobile communications technology and and verifies above three hypotheses with patent information analysis tool. The results show that:(1)2G,3G and 4G have showed a trend of patent fragmentation;(2) Domestic patents distribution is more centralized with respect to abroad patents;(3) The impact of foreign patent applications in China are decreasing on patents fragmentation in China's mobile communications technology.