How important is information disclosure through patents for subsequent innovation? To answer this question, we examine the expansion of the USPTO Patent Library system after 1975. Before the Internet, patent libraries gave inventors access to patent documents. We find that after patent library...

How important is information disclosure through patents for subsequent innovation? Although disclosure is regarded as essential to the functioning of the patent system, legal scholars have expressed considerable skepticism about its value in practice. To adjudicate this issue, we examine the...