Alioto is a veteran trial lawyer, decorated former federal prosecutor, and civil litigator. He has represented consumers, small businesses, individuals, and victims of crime for over two decades.
Alioto has been counsel of record on complex antitrust cases before the California Supreme Court and the Second, Sixth, Eighth, and Ninth Circuit Courts of Appeals. In 2010, Alioto was named California Lawyer Attorney of the Year in Antitrust Law for his winning appeal before the California Supreme Court on behalf of a group of independent pharmacies against major pharmaceutical companies. This appeal is now one of the most cited appellate decisions in California antitrust law over the past two decades. He has prosecuted price fixing and anticompetitive mergers against some of the largest corporations in the world, including Big Pharma, credit card banks, multinational beverage conglomerates, airlines, railroads, and others.