innovation is - i.e., whether it conforms most closely to the Paretian, log normal, or some other distribution. The question is … several sources - the royalties from U.S. university patent portfolios, the quasi-rents from marketed pharmaceutical entities …

which German patent renewal fees were paid to full-term expiration in 1995. A search of subsequent U.S. and German patents … allowed to expire before their full term. The higher an invention's economic value estimate was, the more the relevant patent … simple patent counts as a measure of innovative contribution by acquiring data on citation frequencies and the number of …

Patent renewal studies reveal a highly rightward-skewed distribution of patent values. Our approach elicits valuations …

We explore the tail of patented invention value distributions by using value estimates obtained directly from patent …