Robert G. Eisler


Robert Eisler is a principal at Grant & Eisenhofer and leads the firm’s antitrust practice. Mr. Eisler has been involved in many significant antitrust class action cases over the course of his career. He is experienced in numerous industries, including pharmaceuticals, paper products, construction materials, industrial chemicals, processed foods, securities, and consumer goods. 

Mr. Eisler is currently serving as co-lead counsel in several cases, including In re Seroquel Antitrust Litigation, In re London Silver Fixing, Ltd. Antitrust Litigation and In re Keurig Green Mountain Single-Serve Coffee Antitrust Litigation. He has served as lead or co-lead counsel in many other significant antitrust cases, including In re Buspirone Antitrust Litigation (which led to a $90 million settlement in which presiding Judge Koeltl stated that the plaintiffs’ attorneys had done “a stupendous job”), In re Ciprofloxacin Hydrochloride Antitrust Litigation, In re Flat Glass Antitrust Litigation, and In re Municipal Derivatives Antitrust Litigation.

Mr. Eisler has played major roles in a number of other significant antitrust cases, including In re Polyurethane Foam Antitrust Litigation, In re Blue Cross/Blue Shield Antitrust Litigation, In re Containerboard Antitrust Litigation and In re Linerboard Antitrust Litigation.  He also has significant experience litigating antitrust matters in the UK and the Netherlands including cases concerning cartels in a number of industries, such as air cargo services, air passenger services, automotive glass, medium and heavy trucks and pharmaceuticals, among others.

In addition to his antitrust work, Mr. Eisler has extensive experience in securities, derivative, complex commercial and class action litigation at the trial and appellate levels. He has been involved in numerous securities and derivative litigation matters on behalf of public pension funds, municipalities, mutual fund companies and individual investors in state and federal courts.

Mr. Eisler graduated from LaSalle University in 1986, and in 1989, from Villanova University School of Law.



  • Villanova University Law School, J.D.
  • LaSalle University, B.A.


  • New York
  • Pennsylvania
  • U.S. Court of Appeals for the 8th Circuit
  • U.S. District Court for the Eastern District of MI
  • U.S. District Court for the Southern District of NY
  • U.S. District Court for the Eastern District of NY
  • U.S. District Court for the Eastern District of PA
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