Abena Mainoo’s practice focuses on investigations and civil litigation.

Abena frequently represents clients in government investigations and enforcement matters involving various authorities, including the U.S. Department of Justice, the Securities and Exchange Commission, and the Commodity Futures Trading Commission. She also represents clients in related securities class action lawsuits and other complex litigation.

Abena joined the firm in 2009 and became a partner in 2018.

Notable Experience

  • Citigroup in connection with its resolution of FX investigations by the DOJ and U.S. Federal Reserve in May 2015 and in investigations concerning benchmark rates.

  • A large financial institution in internal investigation and government investigations by the DOJ, SEC, and IRS.

  • Clients in government investigations and enforcement matters involving various authorities, including the U.S. Department of Justice, the Securities and Exchange Commission, and the Commodity Futures Trading Commission.

  • Bosch in connection with investigations in the U.S. relating to the Volkswagen emissions matter.

  • Petrobras, PGF, and current and former officers and directors in a securities fraud class action and dozens of individual actions in the U.S. District Court for the Southern District of New York in connection with Operação Lava Jato.

  • Nationstar Mortgage Holdings Inc. and certain of its current and former officers and directors, resulting in the dismissal of a putative class action in the U.S. District Court for the Southern District of Florida asserting Securities Act and Exchange Act claims.

  • BNP Paribas and HSBC in winning dismissal of $5.5 billion civil RICO and related state law claims in the U.S. District Court for the Southern District of New York and on appeal in the U.S. Court of Appeals for the Second Circuit.

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Selected Activities

Member and Former Secretary, Federal Bar Council Public Service Committee

Publications

Events