patents can affect technical change, industry dynamics, and ultimately welfare, is through their role in stimulating or … financing of software companies. Start-up software companies operating in markets characterized by denser patent thickets see … patents are less likely to go public if they operate in a market characterized by patent thickets …

We examine whether the introduction of a patent commons, a special type of royalty free patent pool available to the … in the market and the extent to which patent ownership in the market is concentrated …

Brand and generic drug manufacturers frequently settle patent litigation on terms that include a payment to the generic … generic, and conduct an event study of the announcement of the patent settlements on the stock price of the brand. For …

We examine the impact of loss of U.S. patent exclusivity (LOE) on the prices and utilization of specialty drugs between … entry, but this result appears to be largely driven by oral drugs. We discuss second-best welfare consequences of these …

Efforts to strengthen the global patent system for pharmaceuticals continue to be controversial, and what will likely …

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 …

patent quality, and other factors, we find that a 10% increase in the number of patents relevant to market reduces the rate …s. However, potential entrants with patent applications relevant to a market are more likely to enter it. Finally …

This paper looks more closely at the sources of patent growth in the United States since 1984. It confirms that the … surge), but not before, when patents were relatively unimportant in these industries. Also, the value of patent rights in …