Knowledge spillovers from foreign firms in India: Evidence based on Patent Citation Data

Abstract

Patent documents are an important source of knowledge spillovers which can be traced by using patent citations data. In the current study, we have employed patent citations data for the patents granted to Indian assignee during year 1990-2001. The study finds that knowledge spillovers are geographically localised and there exist different patterns of knowledge spillovers between the foreign and domestic firms. The estimated result suggests that domestic firms are gaining significant knowledge inflows from subsidiary and their parent’s organisation. Finally, the study claims that firms belongs to same industry class frequently cites patents of its own industry. © IAMOT 2019.