1. Do Patent Holdup and Royalty Stacking Lead to Systematically Excessive Royalties?, 4;See Einer Elhauge;J. COMPETITION L. & ECON,2008
2. Appropriating the Returns from Industrial Research and Development;E G See;BROOKINGS PAPERS ON ECON. ACTIVITY,1987
3. (finding that firms leverage their inventions via "secrecy, lead time advantages, and the use of complementary marketing and manufacturing capabilities"). See generally 1-2 HANDBOOK OF THE ECONOMICS OF INNOVATION;Richard R Cohen;Research,2000