RT Article T1 Characteristics of Patent Litigation: A Window on Competition JF Journal of economics VO 32 IS 1 SP 129 OP 151 A1 Lanjouw, Jean Olson 1962-2005 A1 Schankerman, Mark A2 Schankerman, Mark LA English YR 2001 UL https://krimdok.uni-tuebingen.de/Record/1912476339