Economists, legal scholars and policy makers are concerned about the impact of patent litigation on the rate and direction of US innovation and on the functioning of the US intellectual property system. At this time, however, there is no reliable, comprehensive, free and publicly accessible...

Demand for registered U.S. trademarks has grown substantially over the past 25 years in absolute terms and relative to overall economic growth. Trademark filings grew at an average annual rate of 6.5 percent between 1985 and 2011, outpacing real GDP growth and implying intensified use of...