Robin P. Sumner

Robin P. Sumner


Philadelphia, PA
Phone: 215.981.4652    Fax: 215.981.4750

“Maintains a strong presence in the antitrust arena.” -- Chambers USA 2016

Robin P. Sumner is a partner with Pepper Hamilton LLP and a member of the Health Sciences Department and the Commercial Litigation Practice Group.

Ms. Sumner focuses her practice on antitrust/competition law, securities law and complex civil litigation, including class actions and multi-district litigation. She also has significant experience litigating a variety of cases in the health care industry, including cases alleging violations of antitrust laws and the False Claims Act.

Before joining Pepper in July 2007, Ms. Sumner was a partner with Dechert LLP.


  • J.D., University of California, Berkeley, Boalt Hall School of Law, 1998, production editor, Berkeley Women’s Law Journal; Order of the Coif
  • A.B., magna cum laude, Brown University, 1992

Bar Admissions

  • Pennsylvania

Court Admissions

  • U.S. Court of Appeals, Third Circuit
  • U.S. Court of Appeals, Sixth Circuit
  • U.S. District Court, Eastern District of Pennsylvania

Practice Areas