de Rassenfosse, Gaétan; Griffiths, William E.; Jaffe, … - 2021
supported by estimates from litigation studies suggesting that the majority of patents granted by the U.S. patent office should … applications granted at one office but refused at another office. Our method allows us to distinguish whether low-quality patents … of each office, the percentage of mistakenly granted patents is under 10 percent for all offices. The Japanese patent …