Kovač, Mitja; Spruk, Rok - In: International Journal of Innovation Studies 5 (2021) 2, pp. 56-98
We examine the diversification of administrative and procedural costs on patent stock using a large dataset from the European Patent Office with 15,000 firms for the period between 1995 and 2015. The results reveal that administrative and procedural costs are significant for firm-level patenting...