He was a founding partner of Goldstein and Howe (now Goldstein & Russell), a Washington, D.C. firm specializing in Supreme Court litigation, and was, until the end of 2010, a partner at Akin Gump, where he was co-head of the litigation and Supreme Court practices. He has since returned to his previous firm. In 2003, he co-founded SCOTUSblog, the most widely read blog covering the Supreme Court, and remains the publisher and occasional contributor, providing analyses and summaries of Supreme Court decisions and cert petitions. He is a lecturer at Stanford and Harvard Law Schools, teaching Supreme Court Litigation clinics.