San Francisco Chronicle, April 24, 2011 by James Temple
http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2011/04/24/BUPR1J4HRL.DTL
“Courts have become more skeptical of these claims, but as the stakes in them have gone up, they’re more frequently asserted as well,” said Eric Talley, co-director of the Berkeley Center for Law, Business and the Economy. “They have a lower probability of success, but if they succeed they’re worth a lot of money.”