6Roger Svensson.Commercialization of Patents and External Financing During the R&D-Phase[J].Research Policy,2007(7):1052-1069.
7Edmund W.Kitch.The Nature and Function of the Patent System[J].The Journal of Law and Economics,1977 (2):265-290.
8Eng Teong See.Revisiting Anticommons and Blockings in the Biotechnology Industry:A View from Competition Law Analysis[J].The Journal of World Intellectual Property,2008(3):139-175.
4Fama. The Behavior of Stock Market Prices[J]. Journal of Bus- iness, 1965(38) 34--105.
5Judith McNamara, Lucy Cradduck. Can We Protect How We Do What We Do? A Consideration of Business Method Patents in Australia and Europel[J]. International Journal of Law and Information Technology, 2008,16 (I) : 96-- 124.
6Powers T L, Leal R P. Is the U. S. Innovative? A Crossnation- al Study of Patent Activity[J]. Management International Re- view, 1994(34) :67--78.
7H Dou, V Leveill6, Manullang S, et al. Patent analysis for competitive technical intelligence and innovative thinking[J]. Data Science Journal, 2005(4) :209--236.