CAJ | 학술논문

国家知识产权局专利复审委员会在1985-2013年间，共计做出发明专利无效审查决定2463项，涉及2035项发明专利。以无效审查决定相关的法律状态信息及已授权发明的专利信息为基础，构建权利要求数、发明人数、IPC 分类数、同族专利数及专利权稳定性指标，分别从时间、专利权人主体及技术领域三个维度，对我国发明专利无效行为进行实证研究。对我国发明专利无效行为的特征、专利权稳定性的特点及其影响因素相关的实证结果，丰富了我国对专利无效制度及专利策略行为的研究。
국가지식산권국전리복심위원회재1985-2013년간，공계주출발명전리무효심사결정2463항，섭급2035항발명전리。이무효심사결정상관적법률상태신식급이수권발명적전리신식위기출，구건권리요구수、발명인수、IPC 분류수、동족전리수급전리권은정성지표，분별종시간、전리권인주체급기술영역삼개유도，대아국발명전리무효행위진행실증연구。대아국발명전리무효행위적특정、전리권은정성적특점급기영향인소상관적실증결과，봉부료아국대전리무효제도급전리책략행위적연구。
During 1985-2013, the Patent Reexamination Board of SIPO has made a total of 2 463 items of invention patents invalid deci-sions in which 2 035 items of invention patents are involved. Based on both patent application information and patent legal status informa-tion, the paper constructs patent claims number, patent inventor number, IPC number, patent family size and patent stability indicator, and makes an empirical study on invention patent invalidation behavior in China from time, patent holder and technology dimensions. The empirical results about characteristics of patent invalidation behavior, patent stability and their influencing factors enrich the researches on patent invalidation system and strategic patent behavior in China.