Abstract: From the perspective of patent application and layout, this paper analyzes the basic situation of CATL's application trends, application geographical layout, application technology layout, key technology branches, R&D paths, etc., and comprehensively analyzes the above patent information and the company's own development and industry characteristics. The deep reason for its growth as a power battery unicorn enterprise is mainly the parallel of patent application and enterprise development, taking into account the patent layout at home and abroad, improving process continuously, enhancing the research and development focus in the advantageous field, and insisting on independent innovation in the core field. The above successful experience is worth learning for domestic and foreign counterparts or start-ups.

Key words: power battery, unicorn, CATL, patent application, patent layout