Jonathan Gardner concentrates his practice on prosecuting complex securities fraud cases on behalf of institutional investors. Mr. Gardner currently represents the Successor Liquidating Trustee of Lipper Convertibles, a convertible bond hedge fund, in an action against the Fund's former independent auditor and a member of the Fund's general partner as well as numerous former limited partners who received excess distributions.  He has successfully recovered over $5.2 million for the Successor Liquidating Trustee from overwithdrawn limited partners and $29.9 million from the former auditor.

Recently Mr. Gardner has been responsible for prosecuting several of the Firm's options backdating cases, including In re Monster Worldwide, Inc. Securities Litigation, In re SafeNet, Inc. Securities Litigation, In re Semtech Securities Litigation, and City of Westland Police and Fire Retirement System v. Sonic Solutions. He also was involved in In re Mercury Interactive Corp. Securities Litigation, which settled for $117.5 million, a figure representing one of the largest known settlements or judgments in a securities fraud litigation based upon options backdating.

In 2005, Mr. Gardner litigated claims of securities fraud, common law fraud, breach of contract, defamation, and civil RICO violations against CFI Mortgage Inc. and its principals in federal court. Following a five-day jury trial, Mr. Gardner secured a verdict of over $50 million.

Prior to practicing securities litigation, Mr. Gardner was actively involved in litigating all aspects of commercial and business disputes from pre-dispute investigation and settlement to trials and appeals before state and federal courts, as well as arbitration and mediation forums.

He is a member of the New York State Bar Association and the Association of the Bar of the City of New York.