Jonathan S. Klein

Litigation & Dispute Resolution, Global Mobility & Migration, Financial Markets Regulatory & Enforcement


Jonathan Klein is an associate in Mayer Brown’s Washington DC office and a member of the Litigation & Dispute Resolution practice. Jonathan’s practice focuses on advising and defending clients in complex commercial litigation, especially antitrust matters and consumer class actions. Jonathan also advises and defends clients in matters under the Americans with Disabilities Act, including the application of Title III to new or emerging technologies. 

After graduating from Harvard Law School, Jonathan served as a law clerk to the Honorable Steven D. Merryday in the Middle District of Florida.


  • Harvard Law School, JD
  • University of Georgia, BA, summa cum laude


  • Florida
  • Georgia
  • District of Columbia


  • US Court of Appeals for the Eleventh Circuit
  • US District Court for the Middle District of Florida
  • US District Court for the Southern District of Florida
  • US District Court for the Northern District of Georgia