Roberta D. Liebenberg is a partner at Fine, Kaplan and Black in Philadelphia, focusing her practice on class actions, antitrust and complex commercial litigation, and white collar criminal defense. She served as one of trial counsel for the class in In re Urethanes[Polyether Polyols] Antitrust Litigation, which resulted in a judgment against Dow Chemical Co. for $1.06 billion after a 4 week jury trial, which was affirmed by the Tenth Circuit. She also successfully defended a high-level shipping company executive accused of criminal violations of the Sherman Act in a landmark case where the District Court dismissed the indictment (United States v. Stolt-Nielsen, S. A.).
Liebenberg is a leader in the ABA's Antitrust Section, now serving as Vice Chair of its Cartel and Criminal Practice Committee. Previously, as Vice Chair of the Antitrust Section's Trial Practice Committee, she co-chaired the Committee revising the Model Jury Instructions in Civil Antitrust Cases. She also served as Chair of the ABA Standing Committee on the Federal Judiciary; Chair of the ABA Litigation Section's Class Actions and Derivative Suits Committee; and Chair of the Philadelphia Bar Association's Antitrust Committee. She has been named "Antitrust Lawyer of the Year" in Philadelphia by Best Lawyers in America, and the Chambers USA Guide has listed her among its highest-ranked plaintiffs' antitrust lawyers nationwide. Law360 profiled Liebenberg in 2014 as one of the "Titans of the Plaintiffs' Bar." In 2015, the National Law Journal named Liebenberg as one of the country's 75 most "Outstanding Women Lawyers."