Corporate counsel named Carlton Fields Shareholder Markham Leventhal a “Client Service All-Star” in BTI Consulting Group’s 2019 survey, BTI Client Service All-Star list. All-Stars are identified solely through unprompted client feedback that recognizes them for delivering the absolute best client service. According to BTI, a national insurance company named Leventhal to this elite group.

Corporate counsel deemed the following five characteristics most important in measuring exceptional client service performance:

  1.  Superior Client Focus
  2. Unmatched Client Experience
  3. Understand's the Client's Business Like No Other
  4. Unparalleled Legal Skills
  5. Innovative Thought Leadership

This year’s report names 335 lawyers from 152 law firms. Carlton Fields attorneys continue to earn a prestigious spot among the client service elite, including Chris Coutroulis, Robert Freedman, and Daniel C. Johnson.  

Leventhal has a national practice focusing on the representation of financial institutions, insurers, and other sophisticated businesses in complex federal and state litigation. He is frequently called upon to defend national and state class actions and other high exposure cases involving allegations 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 privacy statutes, RICO, ERISA, the FLSA, antitrust statutes, and state consumer protection laws. His litigation experience extends to retirement plan litigation, reinsurance litigation, securities litigation, unfair competition, fraudulent transfer litigation, trademark and copyright infringement, arbitration, and federal and state court appeals.

In the class action space, Leventhal has defended more than 150. He has extensive experience managing multijurisdictional litigation, including parallel civil and regulatory proceedings, and he has served as lead or national coordinating counsel in multiple jurisdictions including New York, New Jersey, Florida, Alabama, Arkansas, California, Connecticut, Colorado, Georgia, Illinois, Kentucky, Louisiana, Michigan, Mississippi, Montana, Nebraska, New Mexico, North Carolina, Oklahoma, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Washington, D.C., Washington state, and West Virginia.

A veteran appellate practitioner, Leventhal has served as lead counsel in appellate matters before the U.S. Supreme Court, the U.S. Courts of Appeal for the Second, Fourth, Fifth, Sixth, Eighth, Ninth, Tenth, and Eleventh Circuits, and state appellate courts throughout the country.

Leventhal serves as co-chair of Carlton Fields’ Life, Annuity, and Retirement Solutions Industry Group.

To learn more about BTI’s 2019 Client Service All-Stars, visit BTI’s website.

©2026 Carlton Fields, P.A. Carlton Fields practices law in California through Carlton Fields, LLP. Carlton Fields publications should not be construed as legal advice on any specific facts or circumstances. The contents are intended for general information and educational purposes only, and should not be relied on as if it were advice about a particular fact situation. The distribution of this publication is not intended to create, and receipt of it does not constitute, an attorney-client relationship with Carlton Fields. This publication may not be quoted or referred to in any other publication or proceeding without the prior written consent of the firm, to be given or withheld at our discretion. To request reprint permission for any of our publications, please use our Contact Us form via the link below. The views set forth herein are the personal views of the author and do not necessarily reflect those of the firm. This site may contain hypertext links to information created and maintained by other entities. Carlton Fields does not control or guarantee the accuracy or completeness of this outside information, nor is the inclusion of a link to be intended as an endorsement of those outside sites.

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