About John
John Costello is a Litigation Associate at Potter Law, LLC, representing clients in personal injury cases. He previously worked at a civil litigation firm and served as an Assistant State’s Attorney with the Montgomery County State’s Attorney Office for five years. He became interested in law early in life, following his father and grandfather who were also attorneys, and is passionate about helping people in need.
Licensed States
Education
Bachelor of Arts in Communications
University of Delaware
J.D.
American University Washington College of Law
Colleagues at Potter Law, LLC
Is This You?
Claim your profile to update your information, respond to reviews, and stand out to potential clients.
- ✓Update your bio & credentials
- ✓Add your photo & contact info
- ✓Showcase case results
Free verification • Takes 2 minutes