@article{13594, note = {This article was downloaded and printed from the RePEc online archive (Research Papers in Economics). Originall published as Working Paper 7477 in the National Bureau of Economic Research (NBER) Working Paper Series, January 2000. Also available online : www.nber.org/papers/w7477.}, author = {Lerner, Josh,}, url = {http://tind.wipo.int/record/13594}, title = {150 years of patent office protection /}, recid = {13594}, pages = {44 pages ;}, }