This paper merges patent citation data with data on pharmaceutical patent expirations, generic entry, and pricing to … explore the effects of observable patent characteristics on off-patent and on-patent pharmaceutical pricing. Using a sample of … generic entry. Importantly, I find that the number of patent citations that a drug receives from other firms is correlated …

first present descriptive results that chart the rise of brand-name patent portfolios and Paragraph IV challenges. Over time …, patenting has increased, measured by the number of patents per drug and the length of the nominal patent term. Meanwhile, the … fraction of drugs subjected to patent challenges has increased. Drugs are also challenged sooner, relative to brand …

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 …

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 …

national incentives for patent protection? What is the rationale for international coordination over patent policies? Given …

the licensing contracts on social welfare and optimal patent protection …