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Jeffrey R. Sonn Esq

Jeffrey R. Sonn Esq

Mr. Sonn focuses his practice principally on complex securities litigation.
  • Securities Law, Arbitration & Mediation, Business Law...
  • Florida
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Mr. Sonn focuses his practice principally on complex securities litigation matters, including class actions.

During his career, Mr. Sonn has litigated numerous cases to successful resolution, recovering many millions of dollars for defrauded investors. He recently won a $50 million final judgment in Katz v. MRT Holdings, one of the few cases in the Private Securities Litigation Reform Act passed in 1995 to yield a final judgment on the merits.

Frequently, Mr. Sonn serves as a television commentator on securities fraud and ponzi scheme cases for CNBC, The CBS Sunday Morning Show, BBC Radio, ABC and MSNBC.

Mr. Sonn was the CNBC contributing expert on the Bernard Madoff Ponzi Scheme for the CNBC shows “On the Money” and “Scam of the Century, Bernie Madoff and the $50 Billion Dollar Heist.” Mr. Sonn recently appeared in the CNBC show “American Greed.”

Mr. Sonn is the author of “Ponzi Schemes, Picking up the Pieces from a Fallen House of Cards” (Practicing Law Institute, 2009, Securities Arbitration in the Meltdown Era), and spoke at the 2009 Practicing Law Institute on Ponzi Schemes.

Mr. Sonn also authored “Group Arbitration Techniques”, “The ABC’s of Mortgage Backed Securities”, “How CPA’s Can Detect Securities Fraud,” “The Broker Went Bankrupt—Now What?” “Survey of Arbitrator Misconduct,” as well as other securities related publications.

Mr. Sonn serves as a Director of the Public Investor Arbitration Bar Association, the national bar association for attorneys who practice securities fraud law. Mr. Sonn regularly lectures, and participates at national seminars, on the topic of securities fraud.

Mr. Sonn graduated from the University of Florida in 1984 and from University of Miami Law School in 1988. Mr. Sonn was an Associate Editor of the University of Miami InterAmerican Law Review.

Mr. Sonn is AV rated by Martindale Hubbell.

Practice Areas
  • Securities Law
  • Arbitration & Mediation
  • Business Law
  • Insurance Defense
  • Real Estate Law
Additional Practice Area
  • Insurance Bad Faith
  • Free Consultation
  • Contingent Fees
Jurisdictions Admitted to Practice
11th Circuit
U.S. District Court, Middle District of Florida
U.S. District Court, Southern District of Florida Trial Bar
  • English
Professional Experience
Sonn Law Group
- Current
The Sonn Law Group has taken on America’s largest investment firms in cases involving millions of dollars in claims. We have no fear when it comes to seeking justice on behalf of our clients. We will not back down from a fight and we will not be intimidated by an opponent for any reason.
Sonn & Erez
University of Miami School of Law
University of Florida
Rated by Super Lawyers
Super Lawyers
Lifetime Member
Multi-Million Dollar Advocates Forum
Top 100 Trial Lawyers
The National Trial Lawyers
AV Rating
Martindale Hubbell
Professional Associations
Public Investors Arbitrator Bar Association
Chair, Subcommittee on Dodd Frank Law, Product Issues In Arbitration
Camillus House for the Homeless
Public Investors Arbitrator Bar Association
- Current
Public Investors Arbitrator Bar Association
Member, Annual Meeting Committee
- Current
Articles & Publications
Ponzi Schemes: Picking Up the Pieces From a Fallen House of Cards
Practicing Law Institute
Social Media
Contact & Map
Sonn Law Group
19495 Biscayne Blvd
Aventura, FL 33180
Cell: (305) 912-3000