Dyanne E. Feinberg is Of Counsel at Kozyak Tropin & Throckmorton.   Dyanne has extensive experience in complex commercial litigation and class action securities litigation, including the defense of hedge fund administrators and custodians in multi-billion dollar actions relating to fraud and Ponzi schemes in federal and state court.  She also has significant experience in class action cases representing plaintiffs and defendants in securities and consumer fraud actions.

Dyanne’s practice also focuses on complex contract disputes, professional malpractice defense and corporate malfeasance claims.  Dyanne litigates in federal and state court, and represents clients in all forms of alternate dispute resolution including arbitration proceedings.  Dyanne has handled many appeals including drafting appellate briefs and presenting oral argument in both state and federal courts of appeal.  She is also the past president of The Florida Association for Women Lawyers and the past president of The Kiwanis Club of Miami.

Dyanne is passionate about music and regularly attends live music performances, occasionally finding herself onstage singing or playing guitar.   She also is involved in many charity organizations and fund-raising events, and is currently on the board of directors’ of Miami Women Who Rock, a women’s network that promotes health and wellness causes and initiatives for women.


I have been practicing law for over 36 years. But every day I still wake up excited to face new challenges. I combine my passion for the law and my drive to succeed to deliver successful results to my clients.



Dyanne represented a multi-national hedge fund custodian and administrator of offshore feeder funds in ongoing federal and state actions in the Southern District of New York and New York Supreme Court relating to Bernie Madoff.  She obtained dismissal of a $60 million claim by an investor in the Madoff scheme in the Southern District of New York.  She also obtained dismissal of claims against a fund administrator for lack of personal jurisdiction in Texas federal court, and successfully briefed and argued the appeal of that dismissal before the Fifth Circuit Court of Appeals.  She attained highly favorable summary judgment rulings and rulings regarding spoliation of evidence in favor of her clients, in defending a group action brought by investors in offshore hedge funds.


Dyanne has obtained favorable jury verdicts as lead counsel in numerous jury trials representing investors in securities fraud cases against brokerage firms, banks, and other entities involving claims of unsuitability, churning, and other securities violations.  She has also arbitrated over a hundred securities fraud claims by investors against brokerage firms, banks, and other entities involving such claims.


Dyanne also regularly handles cases involving corporate and shareholder disputes.  She has represented both plaintiffs and defendants in connection with such disputes.  She recently obtained a $9.5 million jury verdict in a case involving piercing the corporate veil and fraudulent transfer issues.


Dyanne has successfully represented big four accounting firms in multi-million dollar auditor malpractice actions in state court and on the appellate level.  She has also successfully defended law firms in legal malpractice actions involving multi-million dollar claims.