Congressional Research Service The Library of CongressCRS Report for CongressReceived through the CRS WebOrder Code RL31142Stem Cell Research and Patents: An Introduction to the IssuesSeptember 10, 2001Wendy H. SchachtSpecialist in Science and TechnologyResources, Science, and Industry DivisionJohn R. ThomasVisiting Scholar in Economic Growth and EntrepreneurshipResources, Science, and Industry Division