Yvonne M. McKenzie

Yvonne M. McKenzie


Philadelphia, PA
Phone: 215.981.4171    Fax: 215.981.4750


Yvonne M. McKenzie is a partner in the Health Sciences Department of Pepper Hamilton LLP, resident in the Philadelphia office. Ms. McKenzie is a member of the firm’s Food and Beverage Industry Group, is co-leader of the firm's Women's Initiative Network and serves on the Hiring Committee. Ms. McKenzie focuses her practice on counseling and defending companies with products regulated by the FDA, including prescription medications, food, beverages and cosmetics. She has extensive experience litigating class action suits brought by consumers and third-party payors alleging false advertising and fraud in violation of state consumer fraud and unfair trade practice laws. Ms. McKenzie has also defended clients against actions filed by state Attorneys General and government entities seeking restitution and civil penalties.

Ms. McKenzie routinely advises clients in the food, drug and cosmetic industries on regulatory compliance and risk assessments and mitigation strategies, including counseling on product recalls, advertising and other promotional activities, as well as statements made in labeling, scientific disclosures, press releases and regulatory submissions to U.S. and foreign regulatory agencies.

Ms. McKenzie has represented pharmaceutical companies facing criminal and civil investigations involving sales and marketing practices. She also has experience defending health care providers in FDA investigations of allegedly counterfeited medicines.

Ms. McKenzie has litigated a variety of pro bono matters, including petitions for asylum and cases involving allegations of constitutional violations. She first-chaired a Section 1983 prisoner civil rights trial in federal court that resulted in a jury verdict in favor of the client. Ms. McKenzie is also active in the community, serving as a Board Member for Wolf Performing Arts Center and a member of the Forum of Executive Women.

Before joining Pepper, Ms. McKenzie was an attorney with Dechert LLP from 2003 through 2009.


  • J.D., summa cum laude, Villanova University School of Law, 2002, managing editor, Villanova Law Review; member, Order of the Coif
  • B.A., English and Psychology, magna cum laude, Duquesne University

Bar Admissions

  • Pennsylvania

Court Admissions

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


  • Hon. James McGirr Kelly: U.S. District Court, Eastern District of Pennsylvania, Philadelphia, PA, 2002-3

Practice Areas