We analyze the effect of patent thickets on entry into technology areas by firms in the UK. We present a model that … the potential for hold‐up in patent thickets. We show empirically that our measure of patent thickets is associated with a … evidence indicates that patent thickets raise entry costs, which leads to less entry into technologies regardless of a firm …

, beginning with a brief history of international patent systems and facts about the current use of patents around the world. I … followed by a review of recent work by myself and co-authors on regional patent systems, the impact of patents on firm …

We analyze the effect of patent thickets on entry into technology areas by firms in the UK. We present a model that … for hold-up due to the presence of patent thickets. We show empirically that our measure of patent thickets is associated … entry. Our evidence indicates that patent thickets raise entry costs, which leads to less entry into technologies regardless …

, beginning with a brief history of international patent systems and facts about the current use of patents around the world. I … followed by a review of recent work by myself and co‐authors on regional patent systems, the impact of patents on firm …

, beginning with a brief history of international patent systems and facts about the current use of patents around the world. I … followed by a review of recent work by myself and co-authors on regional patent systems, the impact of patents on firm …