Agiakloglou, Christos; Drivas, Kyriakos; Karamanis, Dimitris - Volkswirtschaftliche Fakultät, … - 2014
the US patent system, concerning patent renewal fees in order to obtain small or large entity status, we are able to … distinguish patents that become part of a large corporation's patent portfolio. Using an extensive dataset of US patents, both for … domestic and foreign individual inventors, we find that patent characteristics, size of research teams, prior experience and …