Stephen L. Ratner

Stephen L. Ratner has represented banks and other financial services institutions in complex litigations, investigations and enforcement proceedings, arbitrations and mediations, compliance issues, and regulatory controversies involving securities, commodities, and derivative products.

Steve has defended clients in class actions and other actions including high frequency and algorithmic trading, short selling practices, IPO allocations, and data security and privacy issues. He has also handled internal investigations and investigations and enforcement proceedings by the SEC, CFTC, Department of Justice, FINRA and other regulators regarding issues such as high frequency and algorithmic trading, market access, securities lending, trade reporting, short selling, electronic communications, and supervision. Steve also represented banks and other financial institutions in fraudulent transfer litigation and other litigation based upon failed LBOs and alleged Ponzi schemes.

Steve served as a member of Proskauer’s Executive Committee, an adjunct professor of law at Benjamin N. Cardozo School of Law, and a mediator appointed by the U.S. District Court for the Southern District of New York. Steve co-authored the “Broker-Dealer Litigation and Arbitration” chapter in the Commercial Litigation in New York State Courts treatise, and was a frequent speaker on matters related to the financial services industry.