About
A. Grant Phelan is a partner at Klehr Harrison Harvey Branzburg LLP in Philadelphia and co-chair of the firm’s Litigation Department. He is a national business litigator with experience in federal and state trial and appellate courts. His practice covers contract disputes, shareholder and partnership conflicts, real estate disputes, securities fraud, government investigations, trade secrets, restrictive covenants, insurance coverage, and employment disputes. He also handles matters in arbitration and mediation forums.
Grant earned his J.D. cum laude from Delaware School of Law, where he was a member of Phi Kappa Phi. He received a B.B.A. in Finance from the College of William and Mary. His education in finance and law supports a practice centered on complex business disputes, where legal questions frequently intersect with commercial relationships, ownership structures, financial claims, and strategic business decisions. His academic background complements more than three decades of litigation work.
Grant has served as lead counsel in matters across 33 states during a recent five-year period and is frequently retained for complex, high-exposure litigation. He also serves as national litigation counsel for market-leading businesses. Beyond courtroom representation, he has acted as an arbitrator and mediator on numerous occasions. His work requires evaluating legal risk while considering the broader commercial impact of a dispute, including costs, relationships, business operations, and long-term objectives.
A. Grant Phelan has held leadership roles in professional and community organizations, including service on the Law Firm Alliance board and election as Chair-Elect in 2024. He has also chaired nonprofit boards serving youth and expanding access to the arts. Leadership Philadelphia recognized him as a 101 Top Connector. His legal practice combines national commercial litigation, alternative dispute resolution, professional leadership, and practical counseling for businesses facing significant disputes and investigations.
Law Office Affiliations
- Partner, Klehr Harrison Harvey Branzburg LLP
- Member, Pennsylvania Bar Association
- Board of Directors and Chair-Elect, Law Firm Alliance (2024)
- Board Chair, Chester-Upland Youth Soccer/Soccer For Success
- Board Chair, Youth Development United
- Former Board Chair, Art-Reach
- Former President, College of William and Mary Alumni Association, Philadelphia Chapter
- Executive Council, Haverford School Alumni Board of Directors
- Member, Phi Kappa Phi
- Member, MS Leadership Class, National Multiple Sclerosis Society
- Member, Philadelphia’s 101 Top Connectors, Leadership Philadelphia
Licensed State
- Pennsylvania
Education
- Delaware School of Law
Juris Doctor (JD) (Cum Laude) - College of William and Mary
B.B.A. (Finance)
Awards & Badges

- Alternative Dispute Resolution
- Appeals
- Arbitration
- Business
- Business Litigation
- Contracts & Agreements
- Employment Litigation
- Health Care
- Insurance Claims
- Landlord & Tenant
- Lawsuits & Disputes
- Litigation
- Property Disputes
- Real Estate
- Restraining Orders
- Securities Litigation
- Slip & Fall Accidents
- Trade Secrets





