Abstract: The patent jungle is an important factor affecting the development of China’s new energy vehicle battery technology, and the new energy vehicle industry can only promote technological innovation and win market competitiveness by crossing the patent jungle. Through the analysis of the formation mechanism of the patent jungle, this paper constructs a new index system of influencing factors, and analyzes the influencing factors of the partial least squares method used in new energy vehicle battery patents from 2000 to 2022. The results show that the selected seven indicators have a positive and significant promotion effect on the patent jungle of new energy vehicle battery technology in China, among which the number of cited patents and patent life are very significant, and the number of patents for cooperative research and development, the number of patent collaborators, the number of IPC classification symbols, the number of patents in the same family and the number of claims are generally significant. In this regard, it is suggested that new energy vehicle enterprises should establish a patent navigation and early warning mechanism and strengthen patent citation analysis. Selection of partners and scope of cooperation to facilitate technology sharing; Promote the optimization of patent layout strategy and optimize the patent maintenance fee mechanism; Implement the patent concentration strategy to ensure that new energy vehicle enterprises promote technological innovation and win market competitiveness.

Key words: New Energy Vehicles, Battery Patents, Patent Jungle, Partial Least Squares