Mr. Sonn is a securities fraud attorney and focuses his practice principally on complex securities litigation and arbitration 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.”
3
Practice Areas
38 years | 1,000 cases
29 years | 5 cases
38 years | 300 cases
33%-40%
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Chat withState: Florida
Acquired: 1988
No misconduct found
19495 Biscayne Blvd., Suite 607, Aventura, FL, 33180
Showing 1 - 5 of 16 client reviews from Avvo
Posted by Chaim | January 16, 2025 | Hired Attorney
I was referred to Jeff Sonn by a seasoned litigator. Jeff represented my grievance with alacrity, masterly attention to detail, and an effective, concise communication style. I am very grateful for his services which combine professional skill and an outstanding moral compass. Jeff Sonn is a great hu...
Posted by anonymous | May 28, 2024 | Hired Attorney
We had a financial adviser who caused us to suffer huge losses in our retirement accounts. Jeff Sonn and his legal team recovered a significant portion of what we lost, but most of all he gave us peace of mind and closure. They helped guide us through a vulnerable period. We will be forever grateful...
Posted by James | November 9, 2022 | Consulted Attorney
I had the privilege of consulting with Jeff Sonn and he was very knowledgable on my investment issue and how to approach it. Jeff took time to help me, going well above what I had anticipated or even hoped for. Jeff communicated well and was clear and concise with his assistance. He provided links to...
Posted by Deborah | April 21, 2022 | Hired Attorney
Jeff Sonn was very professional and we received great results due to his experience, determination and professionalism. We are very happy with Sonn Law Group and we highly recommend them.
Posted by Donald | December 28, 2021 | Hired Attorney
If you are fortunate enough to be represented by this Law Firm then you are truly fortunate enough. By chance I contacted the firm about representing me in a suit against a Broker. Jeff reached out for me personally said he felt I had a good case and he assigned Adolfo to the case. Cannot say enou...
Securities and investment fraud lawyer | Jan 10
Relationship: Worked together on matter
"I endorse this lawyer."
Securities and investment fraud lawyer | Jan 10
Relationship: Worked together on matter
"I endorse this lawyer."
Securities and investment fraud lawyer | Jan 10
Relationship: Worked together on matter
"I endorse this lawyer."
Securities and investment fraud lawyer | Jan 10
Relationship: Worked together on matter
"I endorse this lawyer."
Securities and investment fraud lawyer | May 21
Relationship: Worked together on matter
"I endorse this lawyer."
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2017
Super Lawyer, Super Lawyers
2017
Top 100 Trial Lawyers, National Trial Lawyers
2017
Top 1%, Distinguished Justice Advocates
2016
Multi-Million Dollar Advocate, Million Dollar Advocates Forum
2016
AV Preeminent Rated, Martindale-Hubbell
2017 - Present
Owner, Sonn Law Group P.A.
1995 - 2016
Partner, Sonn & Erez
1988 - Present
Florida BarMember
N/A
law
2018
2009
Spanish
English
French