As an intangible asset, patent has great commercial value and is an important means to enhance the competitiveness of enterprises. It is the basis for enterprises to apply for patents on scientific research achievements. The quality and quantity of patents are the embodiment of enterprise's innovation ability and core competitiveness, and the symbol of enterprise's identity and position in this industry. Enterprises can gain long-term benefits by applying the patent system. Patent ownership by enterprises is a necessary prerequisite for declaring various scientific and technological plans and projects such as high-tech enterprises and innovation funds.