1China's agricultural patents: How has their value changed amid recent patent boom?

作者： Liu, Li-jun; Cao, Cong; Song, Min; SCI

机构： Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, Beijing 100081, Peoples R China^CAAS, Ctr Intellectual Property Agr, Beijing 100081, Peoples R China; Univ Nottingham, Sch Contemporary Chinese Studies, Nottingham NG8 1BB, England; CAAS, Ctr Intellectual Property Agr, Beijing 100081, Peoples R China;

来源：TECHNOLOGICAL FORECASTING AND SOCIAL CHANGE

关键词： Patent Value Survival analysis Agriculture Innovation China

年份：2014