Wolf Popper LLP is a leading class action litigation firm specializing in securities fraud, mergers and acquisitions, consumer fraud litigation, healthcare litigation, ERISA, and commercial litigation and arbitration. Headquartered in New York City, Wolf Popper has offices in Houston, Texas; Chicago and Springfield, Illinois; Massachusetts; and San Juan, Puerto Rico with additional practices areas in international corporate and commercial law, international arbitration, and health care litigation. For more than seventy-five years, Wolf Popper has recovered billions of dollars for its clients. Wolf Popper’s attorneys are experienced litigators who utilize the firm's state-of-the-art technical resources in investigations and to prosecute complex class and individual litigation matters. Wolf Popper’s reputation and expertise has been repeatedly recognized by the courts, which have appointed Wolf Popper to major positions in complex multi-district and consolidated litigations throughout the country. Attorney Advertising. Prior results do not guarantee a similar outcome.