John also has represented clients in antitrust, environmental, real estate and general commercial and business cases litigation (e.g., breach of contract, fraud, unfair competition). He has represented clients in a wide variety of industries, including retailers, Internet search engines, Internet companies, biotechnology companies, telecommunications companies, financial institutions, automobile companies, railroads, and entertainment companies.
John is a contributor to Class Defense, the firm’s blog on key issues affecting class action law and policy.
Within Mayer Brown’s Litigation practice, John serves as Firm-wide Co-Group Leader of the Consumer Class Action group. He received a Martindale-Hubbell peer review rating of AV-Preeminent in 2013 and was also named in the 2010 and 2011 editions of The Best Lawyers in America.® In 2009, he was named one of the "Top 20 California Lawyers Under 40" by the Daily Journal. John joined the firm in 1995.