location, which has been taken as evidence of geographically localized knowledge spillovers. In this study, we find that patent …It is well known that patent citations occur disproportionately between patents issued to inventors living in the same … citations also occur disproportionately often in locations where the cited inventor was living prior to being issued the patent …

location, which has been taken as evidence of geographically localized knowledge spillovers. In this study, we find that patent …It is well known that patent citations occur disproportionately between patents issued to inventors living in the same … citations also occur disproportionately often in locations where the cited inventor was living prior to being issued the patent …

"Job hopping" by scientists and engineers is an important channel for knowledge diffusion. Little is known, however …-firm inventor mobility events, and patent citations in the U.S. semiconductor industry, we find that a firm's litigiousness … significantly curtails the dissemination of knowledge anticipated from employee departures, particularly to firms that are …