Grosse Ruse-Khan, Henning MPI for Intellectual Property and Competition Law, Max Planck Society;
http://www.wipo.int/edocs/mdocs/aspac/en/wipo_ip_kul_12/wipo_ip_kul_12_ref_t4b.pdf (beliebiger Volltext)
Grosse Ruse-Khan, H. (2012). Options within the IP System to Promote Minor Innovations.