About
Katherine Unger Davis is a Partner in Dechert’s Philadelphia office who concentrates on product liability and mass tort litigation, with particular experience in appellate matters. She represents companies in multi-jurisdictional actions involving personal injury, consumer fraud, public nuisance, and other commercial disputes. Her practice covers complex litigation from discovery through trial and appeal, including witness preparation, expert issues, motion practice, and strategic management of matters involving pharmaceutical and medical device companies.
Ms. Unger earned a J.D., summa cum laude, from the University of Pennsylvania Law School, where she was elected to the Order of the Coif and served as Editor-in-Chief of the Journal of Law and Social Change. She earned a B.A., magna cum laude, from Boston College and was elected to Phi Beta Kappa. She later clerked for federal judges in the Eastern District of Pennsylvania and the US Court of Appeals for the Third Circuit.
Ms. Unger manages disputes from discovery through appeal and has defended expert and company witnesses at deposition and prepared them for trial. She has served on trial teams that secured victories for a major pharmaceutical manufacturer in the Philadelphia Court of Common Pleas. Her representative experience includes pharmaceutical litigation, product liability appeals, claims involving directors and officers, and complex disputes requiring coordination across jurisdictions. She brings appellate analysis into trial strategy when issues can shape later review.
Katherine Unger Davis was ranked by Chambers USA for Litigation: Product Liability in Pennsylvania in 2025 and 2026. The Legal 500 US has recognized her work in product liability, mass tort, and class action matters involving pharmaceuticals and medical devices. She maintains an active pro bono practice that has included constitutional appeals and public-interest litigation. Her work combines product-liability defense, complex commercial litigation, trial preparation, and appellate advocacy for clients facing high-stakes disputes.
Law Office Affiliations
- Partner, Dechert LLP
- Member, Pennsylvania Bar Association
- Member, Editorial Committee, Dechert Re:Torts
Licensed State
- Pennsylvania
Education
- University of Pennsylvania Law School
Juris Doctor (JD) (Summa Cum Laude) - Boston College
Bachelor of Arts (BA) (Magna Cum Laude)
Awards & Badges

- Appeals
- Business Litigation
- Class Action
- E-Discovery
- Lawsuits & Disputes
- Litigation
- Medical Devices & Dangerous Drugs
- Personal Injury
- Products Liability






