About
David S. Nenner is a Philadelphia criminal defense attorney whose practice focuses on serious state and federal litigation. He handles homicide, felony, drug, gun, fraud, theft, assault, sex crime, DUI, juvenile, conspiracy, forfeiture, bail, and appellate matters. His work also includes civil litigation and selected personal injury cases. He has practiced since 1985 and has tried numerous criminal and civil cases, including complex and lengthy matters, through verdict.
David earned an undergraduate degree in accounting from the University of Delaware in 1982. He received his Juris Doctor from Dickinson School of Law in 1985, graduating with honors and participating on the Trial Advocacy Team. His accounting background and legal training provide a foundation for matters involving financial records, fraud allegations, complex evidence, and litigation strategy, while his trial advocacy experience supports his work in serious criminal cases.
David has tried homicide cases, multi-defendant state and federal narcotics matters, Attorney General wiretap cases, and other high-profile criminal proceedings. He has represented clients in cases involving murder, drug possession and distribution, gun charges, appeals, and complex felonies. His civil litigation experience includes substantial personal injury matters. Several of his criminal cases have received national or local media attention following acquittals, dismissed charges, or other significant developments.
David S. Nenner has been recognized in the peer-reviewed Super Lawyers process and has spent his career concentrating on litigation. His experience covers Pennsylvania state courts and federal criminal matters, with a practice extending throughout southeastern Pennsylvania. By combining extensive trial work, appellate experience, investigation, and familiarity with complex evidence, he represents clients facing high-stakes criminal accusations and related litigation where careful preparation and courtroom experience are central.
Law Office Affiliations
- Attorney, The Nenner Law Firm
- Member, Pennsylvania Bar Association
- Member, New Jersey State Bar Association
- Member, The Florida Bar
Licensed State
- Pennsylvania
- New Jersey
- Florida
Education
- Dickinson School of Law
Juris Doctor (JD) - University of Delaware
Bachelor’s degree in Accounting
Awards & Badges



- Assault & Battery
- Civil Rights
- Criminal Defense
- Drug Crime
- DUI & DWI
- Federal Crime
- Homicide
- Juvenile
- Lawsuits & Disputes
- Litigation
- Personal Injury
- Sex Crimes
- Wrongful Death





