通过对中国专利法律现状的分析,研究专利法律状态在专利运用中的作用。选取包装领域中IPC分类号为B65D 81/03的中国专利申请,检索获取其法律状态信息,并对申请量、中请人、授权率、失效率以及失效原因等作归类研究。通过上述分析比对,验证法律状态的重要作用,为专利的实施和运用提供分析手段。 Through the analysis of the status quo of patent law in China, this paper studies the role of patent law in the patent application. Select the Chinese patent application with the IPC classification code B65D 81/03 in the field of packaging, and retrieve the legal state information, and classify the application quantity, the applicant, the authorization rate, the failure rate and the reason of failure. Through the above analysis and comparison, verify the important role of legal status, and provide analysis means for the implementation and application of the patent.