Abstract:Abstract:The essential characteristics of patent right determine that it has high uncertainty. Being declared invalid will affect the establishment of the company, the qualification of shareholders, the responsibility and the effectiveness of capital contribution, and will have a significant impact on the rights of the company, shareholders, creditors and the public. According to the perspective of interest balance, encouraging patent right investment, relaxing investment restrictions and promoting social production, we must consider the characteristics of patent right capitalization, improve the patent right investment capital system, establish a mechanism to protect the interests of the company, shareholders and creditors, pay attention to the arrangement of the company's articles of association and investment agreement on the solution path, and comprehensively consider the reasons for invalidation and the company's shares. In order to promote the flow of knowledge capital and the development of capital market, the rights and interests of shareholders and creditors of the company and the security of market transactions are guaranteed by the subjective fault, good faith and the principle of fairness and justice.