New technologies, laws, and judicial decisions have convinced law scholars Merges, Peter S. Menell (both U. of California-Berkeley), and Mark A. Lemley (Stanford U.) to update their guide again. No dates are noted for previous editions. They cover trade secret protection, patents, copyright, trademarks, state law and federal preemption, computer software, and competition policy. Annotation ©2006 Book News, Inc., Portland, OR (booknews.com)