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Investment Fraud Lawyers in Aventura, FL
At Sonn Law, we have dedicated our practice to protecting the rights of investors who have suffered financial losses due to unethical or fraudulent practices. With over three decades of experience, our team of attorneys specializes in securities fraud, investment loss recovery, and FINRA arbitration, representing clients nationwide and internationally. Our approach combines aggressive legal strategy with a deep understanding of financial regulations, ensuring clients receive the justice and compensation they deserve. We handle complex cases involving Ponzi schemes, unsuitable investments, and stockbroker fraud, among others. Our contingency fee model ensures clients pay nothing unless we secure a recovery. Recognized for excellence, including being named among the Top 500 Financial Plaintiff Lawyers by Law Dragon, we provide personalized legal solutions tailored to each client's unique circumstances.

Our commitment to transparency, ethical practices, and client education has established us as a trusted leader in investment fraud litigation. With offices in Aventura, Atlanta, New York, and additional meeting locations, we serve a diverse clientele across the United States, Mexico, and South America. Our attorneys frequently contribute expert insights to major media outlets, reinforcing our position as industry authorities. We prioritize direct communication, thorough case evaluation, and relentless advocacy to level the playing field against large financial institutions.
Services
Investment Loss Recovery Hedge Fund Fraud FINRA Arbitration Ponzi Schemes Stockbroker Fraud Unauthorized Trading Class Actions Whistleblower Representation Conservation Easement Disputes SEC Enforcement Defense
Details
  • Year established: 1990
Highlights and features
  • We offer over 30 years of specialized experience in securities fraud litigation.
  • Our team includes former financial regulators and top-tier law school graduates.
  • We operate on a strict contingency fee basis with no upfront costs.
  • We provide multilingual legal services in English, Spanish, and French.
  • Our attorneys have recovered over $200 million for defrauded investors nationwide.
What people say
Professional and pleasant demeanor Thoughtful feedback and useful contacts Aggressive legal representation No upfront costs Significant financial recoveries
Services
Investment Loss Recovery
Our Investment Loss Recovery service helps clients recoup funds lost through broker misconduct, including unsuitable investments and unauthorized trading. We represent investors nationwide in FINRA arbitration and litigation against financial institutions. With over three decades of experience, we specialize in complex cases involving Ponzi schemes, hedge fund fraud, and securities violations, operating on a contingency fee basis to ensure access to justice for all investors.
FINRA Arbitration
FINRA Arbitration services provide investors with a formal dispute resolution process against brokerage firms. Our attorneys have extensive experience representing clients in FINRA proceedings nationwide, specializing in cases involving stockbroker fraud, account mismanagement, and securities law violations. We handle claims from initial filing through final award, with a proven track record of securing favorable settlements and verdicts for defrauded investors.
Ponzi Scheme Litigation
Our Ponzi Scheme Litigation service specializes in recovering investor funds from fraudulent schemes like the Woodbridge Ponzi scheme. We represent victims in complex litigation against perpetrators and complicit financial institutions, leveraging our deep understanding of financial regulations and extensive trial experience. Our team has secured over $100 million in Ponzi scheme recoveries through settlements and court judgments.
Stockbroker Fraud
Stockbroker Fraud representation focuses on holding financial professionals accountable for unethical practices including churning, misrepresentation, and unauthorized trading. We investigate brokerage firm records, analyze account statements, and build strong cases to recover client losses. Our attorneys have successfully represented investors against major Wall Street firms in both arbitration and court proceedings.
Class Action Litigation
Class Action Litigation allows multiple investors with similar claims to pursue justice collectively. We represent plaintiffs in securities fraud class actions against corporations and financial institutions for accounting fraud, false disclosures, and market manipulation. Our experience includes leading major class action cases that have resulted in significant settlements benefiting hundreds of investors nationwide.
People
Jeffrey R. Sonn
Founding Attorney
Jeffrey Sonn specializes in securities litigation with 30+ years of experience. A frequent CNBC commentator, he has recovered over $200 million for investors through arbitration and trial victories against major financial institutions.
Adolfo J. Anzola
Attorney
Former New Jersey Deputy Attorney General Adolfo Anzola focuses on investor protection. With securities enforcement experience and Temple Law background, he represents clients in FINRA arbitration and complex fraud cases nationwide.
Brian B. Pastor
Partner
Brian Pastor, a University of Florida Law graduate, specializes in securities litigation. With prior experience at top Atlanta firms, he represents investors in complex fraud cases and arbitration proceedings across the United States.
Questions
How do I know if I have a valid investment fraud case?
If your broker made unsuitable investments, engaged in unauthorized trading, or misrepresented investment risks, you may have a claim. We offer free consultations to evaluate your case.
What is FINRA arbitration?
FINRA arbitration is a formal dispute resolution process for investors against brokerage firms. Our attorneys have decades of experience navigating this process to recover client losses.
Do you handle cases outside Florida?
Yes, we represent clients nationwide and internationally, with offices in Aventura, Atlanta, New York, and meeting locations in multiple states.
What are your fee arrangements?
We work on a contingency fee basis - you pay nothing unless we recover compensation for you. Case costs are advanced by our firm.
Can I sue my financial advisor for investment losses?
If your advisor breached fiduciary duties through negligence or fraud, you may be entitled to compensation. We specialize in holding financial professionals accountable for misconduct.
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