We analyze the effect of patent thickets on entry into technology areas by firms in the UK. We present a model that describes incentives to enter technology areas characterized by varying technological opportunity, complexity of technology, and the potential for hold‐up in patent thickets. We...

This paper provides an overview of a new database that uses intellectual property data to track the innovative activity of firms in the UK. The paper looks at the extent and nature of patenting activity, focusing on micro firms and SMEs. Over the period 2000 to 2007, SME patenting has increased...

We analyze the effect of patent thickets on entry into technology areas by firms in the UK. We present a model that describes incentives to enter technology areas characterized by varying technological opportunity, complexity of technology, and the potential for hold-up in patent thickets. We...

A common assumption in innovation policy circles is that creative and inventive firms will help to sustain employment and wages in high wage countries. The view is that firms in high cost production locations that do not innovate are faced with loss of market share from import competition, so...

Economists view intellectual property rights (IPRs) as policy tools for encouraging innovation, but they recognize that they can also inhibit competition. There are many types of IPRs and of institutions concerned with their administration. We begin by outlining how these complex and varied...

A common assumption in innovation policy circles is that creative and inventive firms will help to sustain employment and wages in high wage countries. The view is that firms in high cost production locations that do not innovate are faced with loss of market share from import competition, so...

Because judges exercise discretion in how they handle and decide cases, heterogeneity across judges can affect case outcomes and, thus, preferences among litigants for particular judges. However, selection obscures the causal mechanisms that drive these preferences. We overcome this challenge by...