Stephen J. McConnell

Partner

Philadelphia

Leads high-stakes trials and appeals for companies across pharmaceuticals, medical devices, consumer products, and energy, with a record of first-chair wins and landmark cases

"He is a legal eagle who has creative ideas, thinks outside of the box and brings new perspective to a matter. He's a great advocate and good at explaining complex matters."

Chambers USA, Litigation: Product Liability client

"He's a strong strategic counsel who brings valuable insights to complex litigation challenges. He is excellent at identifying emerging trends and developing proactive defense strategies."

Chambers USA, Litigation: Product Liability client

"He is a big picture thinker who is able to focus on details but also differentiate what does and doesn't matter. He is affable and has an approachable presence that relates well to a jury."

Chambers USA, Litigation: Product Liability client

"Stephen does an amazing job navigating the issues when trying a case. He is amazingly talented and creative."

Chambers USA, Product Liability & Mass Torts client

"He is an excellent legal scholar and first-chair trial lawyer."

Chambers USA, Litigation: Product Liability client

Stephen litigates mass torts, False Claims Act, antitrust, securities, and white collar criminal cases throughout the United States. He has tried dozens of cases before juries in federal and state trial courts, with first-chair wins in both government and private practice cases, and has successfully argued significant matters before federal and state appellate courts. His private practice clients include major consumer products, food, pharmaceutical, medical device, energy, entertainment, and real estate companies. Stephen has defended companies in class actions and multi-district litigations. Many of the cases have centered on allegations of unfair or deceptive marketing.

Experience

Representative matters

Lead counsel for food company sued in case alleging injuries from “ultra processed” foods and presented oral argument on behalf of industry, resulting in dismissal of case.
Served as co-lead counsel, representing a pharmaceutical manufacturer in a product liability case involving ranitidine, a medication used to treat excess stomach acid. After hearing our MSJ, the Judge in the case granted our motion to bar the Plaintiff from suing prior manufacturers of ranitidine, and the entire case was dismissed from the bench.
Represented global medical device company in the In re Transvaginal Mesh Litigation which includes more than 22,000 cases filed in federal and state courts across the country. Tried only case for client that went to jury, obtaining complete defense verdict.

Recognitions

  • Recognized as a U.S. News – Best Lawyers® Lawyer of the Year in Philadelphia in the area of Mass Tort Litigation / Class Actions – Defendants, 2026
  • Recognized by Lexology in the Lexology Index: Thought Leaders USA, 2026
  • Ranked in Chambers USA for Pennsylvania Litigation: Product Liability and Nationwide Product Liability & Mass Torts, 2025

Credentials

Education

  • University of Chicago Law School, 1985, J.D., cum laude; Order of the Coif, Member of the Law Review
  • Harvard College, 1981, A.B., magna cum laude

Professional admissions & qualifications

  • California
  • Pennsylvania
  • District of Columbia

Court admissions

  • U.S. District Court - Central District of California
  • U.S. District Court - Eastern District of California
  • U.S. District Court - Southern District of California
  • U.S. District Court - Northern District of California
  • U.S. District Court - Eastern District of Pennsylvania
  • U.S. District Court - Middle District of Pennsylvania
  • U.S. District Court - District of Columbia
  • U.S. District Court - Northern District of Illinois
  • U.S. Court of Appeals - Third Circuit
  • U.S. Court of Appeals - Seventh Circuit
  • U.S. Court of Appeals - Ninth Circuit
  • U.S. Court of Appeals - Eleventh Circuit
  • U.S. Court of Appeals - District of Columbia Circuit
  • U.S. Supreme Court

Professional affiliations

  • Member, Lawyers for Civil Justice
  • Fellow, American Bar Foundation
  • Adjunct Professor, University of Pennsylvania Law School, 2011-present
  • Master, University of Pennsylvania Inn of Court
  • Member, Defense Research Institute
  • Senior Fellow, Litigation Counsel of America
  • Member, Trial Law Institute
  • Member, Diversity Law Institute
  • Barrister, Order of Veritas
  • Advocate, Order of Certus
  • Member, Rabiej Litigation Law Center’s Advisory Council

Clerkships

  • U.S. Court of Appeals - Ninth Circuit, Honorable William A. Norris

News

Media mentions

Events