Are Patent Fees Effective at Weeding out Low-quality Patents?
NBER Working Paper No. 20785
---- Acknowledgments ----
de Rassenfosse was supported by an Early Career Researcher grant from the Faculty of Business and Economics at the University of Melbourne. Jaffe was supported by Motu Economic and Public Policy Research. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.