An overview of the economics of intellectual property -- Protection / Robert W. Hahn -- Software patents : good news or bad news? / Stuart J.H. Graham and David C. Mowery -- Designing optimal software patents / Dan L. Burk and Mark A. Lemley -- 5. State street meets the human genome project : intellectual property and bioinformatics / Iain M. Cockburn -- 6. "Open and collaborative" research : a new model for biomedicine / Arti K. Rai -- 7. Does open source have legs? / Wesley M. Cohen