"The NBER Bulletin on Aging and Health provides summaries of publications like this. You can sign up to receive the NBER Bulletin on Aging and Health by email. Generic utilization rates have risen substantially since the enactment of The Drug Price Competition and Patent Term Restoration Act...

Patent litigation in the United States has increased dramatically in the last 20 years. Understanding this increase, and the concomitant increase in patent grants, can help us to better understand the sources of technological innovation and productivity. The approach described here provides a...