drugs that lost patent protection during the early to mid-1980s. Our results provide strong evidence that brand-name prices …

We study the causal impact of patent invalidation on subsequent innovation and exit by the patent holder. The analysis … is based on patent litigation at the U.S. Court of Appeals for the Federal Circuit, and exploits the random allocation of … judges to control for endogeneity of the judicial decision. Invalidation causes the patent holder to reduce subsequent …

with new data on patent citations to scientific publications by corporations. Using data on 4,736 firms for the period 1980 …

international patent applications in the US, Japan, the European Patent Office, and corresponding filings in three developing … undertake detailed analyses of patent prosecution in the three developing countries. Our analyses indicate that measures to … procedural aspects of patent systems, beyond the formal policies targeting secondary applications, that affect outcomes for these …

While patent systems have been widely used both historically and internationally, there is nonetheless a tremendous … amount of controversy over whether patent systems – in practice – improve the alignment between private returns and social … contributions. In this paper, I describe three parameters – how the disclosure function affects research investments, how patent …

presents estimates of the effect of patent protection on the depreciation rate. Results suggest that the yearly depreciation … averaging 8–9 per cent. Patent protection slows down the erosion of profits by about 1–2 percentage points …

for patented inventions. This study examines data on several thousand of these inducement prizes, matched with patent … offering inducement prizes towards lobbying for reforms to strengthen the patent system. The findings suggest some skepticism …

A large and growing literature has used patent and patent citation data to measure knowledge spillovers across … United States, including Israel, have emerged as important centers of innovation. Using data from U.S. PTO patent grants in …