de Rassenfosse, Gaétan; Griffiths, William E.; Jaffe, … - 2021
A low-quality patent system threatens to slow the pace of technological progress. Concerns about low patent quality are … supported by estimates from litigation studies suggesting that the majority of patents granted by the U.S. patent office should … not have been issued. This paper proposes a new Bayesian method for measuring patent quality, based on twin patent …