This paper examines the trends in geographic localization of knowledge spillovers via patent citations, extracting …

This paper examines the trends in geographic localization of knowledge spillovers via patent citations, considering US …

The aim of this paper is to analyse the pattern of knowledge flows as evidenced by the patent citations in three … economic areas: USA, Japan and Europe. In each economic area, we exploit information from two international patent offices data …, the United States Patent and Trademarks Office data and the European Patent Office data. In this way, we can investigate …

This paper addresses the pattern of knowledge flows as indicated by patent citations between European regions. Our … findings support the hypothesis that there are important barriers to knowledge flows in Europe. Patent citations occur more … often between regions which belong to the same country and which are in geographical proximity. Furthermore, patent …

in knowledge spillovers. Drawing on the NBER Patent Citations Database, we examine patent citations data at metropolitan … level within the U.S. and the 38 largest patent-cited countries outside the U.S. We present 3 key findings: First, we find … of cited patent, which implies that new knowledge faces the largest barriers to diffusion. However, over time, border and …

in knowledge spillovers. Drawing on the NBER Patent Citations Database, we examine patent citations data at metropolitan … level within the U.S. and the 38 largest patent-cited countries outside the U.S. We present 3 key findings: First, we find … of cited patent, which implies that new knowledge faces the largest barriers to diffusion. However, over time, border and …

This paper conducts a comprehensive study of patent citations in patents granted to Belgian corporate applicants by the … United States and the European Patent Offices using qualitative response variable analysis. The analysis uncovered different …

focusing on knowledge flows between academia and industry. Looking into citations to non-patent literature (NPL) in 2,385 Dutch …

variation to establish causality. By analysing patent citation data, we further provide evidence that these positive effects are …

A growing empirical literature uses patent citations as a quality-adjusted measure for innovation, despite concerns … influence citations: 1) improvements in performance 2) citing practices of patent attorneys, and 3) citing practices of patent … useful quality-adjusted measure for innovation. The citing practices of patent attorneys and examiners, however, also …