Markham R. Leventhal

Carlton Fields
Washington, D.C. and Miami

Practice Area: Class Actions

BTI Client Service All Star History
  • 2019
All Star


“Markham is one of those attorneys who is always there for you.”
“He is relentless in getting you what you need.”


"My job is to make my clients look good. I am loyal to a fault. If there is a way to win, I find it; whatever it takes, I do it."

– Markham R. Leventhal


Markham Leventhal has a national litigation practice focusing on the defense of financial institutions, insurers, and other sophisticated businesses in federal and state courts across the United States. Markham has defended more than 150 class actions and has extensive experience managing multijurisdictional litigation, including the simultaneous defense of multiple class actions in different states and the management of parallel civil and regulatory proceedings. He has served as lead or national coordinating counsel in multiple jurisdictions including New York, New Jersey, Florida, Alabama, Arizona, Arkansas, California, Connecticut, Colorado, Georgia, Illinois, Kentucky, Louisiana, Massachusetts, Michigan, Mississippi, Montana, Nebraska, New Mexico, North Carolina, Oklahoma, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Washington, D.C., Washington, and West Virginia. Markham has also briefed positions both for and against motions to transfer filed with the Judicial Panel on Multidistrict Litigation and has argued before the MDL Panel.

Markham is frequently called upon to defend class actions and other high-exposure cases involving claims of fraud, inadequate disclosure, breach of contract, breach of fiduciary duty, bad faith, regulatory violations, deceptive trade practices, false advertising, and alleged statutory violations of RICO, ERISA, the TCPA, the FLSA, privacy statutes, antitrust statutes, and state consumer protection laws. His litigation experience includes insurance coverage litigation, reinsurance litigation, securities litigation, unfair competition, fraudulent transfer litigation, trademark and copyright infringement, arbitration, and federal and state court appeals.

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