Analysis and Calculation of Patent Self-Sufficiency Rate of Chinese Enterprises Based on Typical Cases

Abstract

In 2021, the number of international patent applications in China will be the first in the world, but the self-sufficiency rate of Chinese patents is not high. According to data released by IC Insights, China's domestic chips are close to 6% self-sufficiency data. Therefore, according to the status quo of patent applications in China, this paper selects 4 typical enterprise patents from State Grid, Sinopec, Huawei, and OPPO according to the nature of the companies ranked among the top global applicants for PCT international patents. Relevant data is gathered and a classification analysis is conducted at beginning. Then the patent self-sufficiency rate of 4 typical enterprises is analyzed and calculated. The study found that the patent self-sufficiency rate of Chinese enterprises is not high at present. The stable development of the patent self-sufficiency rate is conducive to the sustainable development of enterprises. The patent self-sufficiency rate of Chinese enterprises increases with the increase of R&D investment.