Abstract:From the perspective of enterprise life cycle, this paper introduces patent quality, further expands and refines the quality orientation of the balance between technical quality and economic quality, and investigates the influence mechanism of patent subsidy policy on enterprise performance. Based on the analysis of China's 237 Based on the panel data of 20 listed companies, this paper finds that: patent subsidy has a significant positive impact on corporate performance, technical quality and economic quality play a partial mediating role between patent subsidy and corporate performance, and the mediating role of economic quality is higher than that of technical quality; secondly, technical quality plays a mediating role in both growth and maturity, but not in recession; finally, economic quality plays a mediating role Economic quality plays a mediating role only in the growth period, but not in the maturity and recession periods. To provide reference for the formulation of patent subsidy policy.