of institutions that generates it. We use two comparable samples of patents and patent citations from the NBER U ….S. Patent Citations Dataset (based on patents from the US Patent Office) and from the EP Cespri Dataset (based on patents from … institutional mechanism generating them. Results show that at the USPTO there are more citations per patent due to the different …

country using patent citations from the U.S. Patent and Trademark Office (USPTO) and from the European Patent Office (EPO). We … control for self-citations and for procedural and legal differences between patent offices in the citation procedures using … equivalent patents. We show that (1) both at the EPO and USPTO domestic citations come sooner and there is a strong localization …

fertility of university and public laboratories patents vis `a vis corporate patents. The distribution of the citations lags …

in knowledge spillovers. Drawing on the NBER Patent Citations Database, we examine patent citations data at metropolitan … distance effects are interestingly increasing. Finally, we find that (assignee) self-citations and aggregation bias are two … sources of overestimated aggregate border effects of knowledge spillovers. While self-citations are only 11% of total …

in knowledge spillovers. Drawing on the NBER Patent Citations Database, we examine patent citations data at metropolitan … distance effects are interestingly increasing. Finally, we find that (assignee) self-citations and aggregation bias are two … sources of overestimated aggregate border effects of knowledge spillovers. While self-citations are only 11% of total …

, United Kingdom, and United States). By using patents and patent citations at the United States Patent and Trademark Office we … spillovers, patent citations related spillovers, and face-to-face contact spillovers. Our results, based on data for Argentina … spillover effects, bilateral patent citations and face-to-face relationships between inventors are both important additional …

innovators. Using backward citations as our dependent variable we find that national characteristics indicative of the quality of …

knowledge diffuses via patent transactions and a non-market channel where knowledge spillovers operate via patent citations … essential to the operation of market based (patent trades) than to the operation of non-market based (citations) flows. Although … both flows are highly localized, the geographic scope of knowledge flows based on citations is larger than that of traded …