本研究对1999-2019二十年间江苏省生物医药领域专利进行检索，收集了专利公开年份、专利人、专利地址等信息，并进行了统计描述分析，同时通过专利合作人信息构建了专利合作网络，分析了专利合作网络的演化特征。分析结果显示：江苏省生物医药专利合作网络表现出明显的演化特征，网络规模不断增加，同时网络中节点的合作关系也趋于紧密，网络呈现出多中心特征。

This paper study the characteristics of patent applications in the field of biomedicine in Jiangsu Province during the 20-year period from 1999 to 2019. This paper collects information such as patent publication year, patentee, and patent address, at the same time, a patent cooperation network is established through patent partners, and analysis the evolution characteristics of the patent cooperation network are analyzed. The results show that: Jiangsu Province's biomedical patent cooperation network shows obvious evolutionary characteristics, the network scale continues to increase, at the same time, the cooperative relationship between nodes in the network is also getting closer, and the network presents a multi-center feature.

国家自然科学基金项目（面上项目，重点项目，重大项目）