Abstract:As the Patent Assertion Entities have begun to filed patent litigation and patent licensing in China, the impact on the technological innovation mechanism has been increasing. This paper, from the perspective of the evolution of the patent licensing model, reveals the deep-rooted reasons for the Patent Assertion Entities. Through the analysis of the latest empirical research data, a systematic study on the types and operational models was conducted. It points out that the essence of the problem lies in the distribution change of the technological innovation income and the balance of interests. Current Patent Assertion Entities have both positive and negative impacts on technological innovation. Drawing on the legal practice of the US standard Patent Assertion Entities, it proposes countermeasures and suggestions on how to use and standardize the Patent Assertion Entities in China.