Kimberly M. Kostun

Kimberly M. Kostun has twenty-five years of experience as a dedicated litigation attorney at her former firm, Hinman, Howard & Kattell, LLP. Kimberly recently became a partner at Guffey & Kostun Law Group, LLP that was formerly the Peter Feaman Law Group. Kimberly manages the Firm’s Pennsylvania branch office maintaining a general litigation practice. Kimberly has built a reputation for providing effective legal representation across a broad range of practice areas. She focuses on general litigation, complex banking and commercial litigation, construction litigation, motor vehicle injury claims, premises liability, animal bite cases and commercial and residential landlord tenant dispute cases. In addition, Kimberly has extensive experience in mortgage foreclosure, debt collection, and creditors’ rights, helping clients navigate financial disputes with strategic solutions. As a Florida Supreme Court Certified Circuit & County Mediator, she brings valuable insight into alternative dispute resolution, working to achieve favorable outcomes both in and out of the courtroom. Licensed to practice in Florida, Pennsylvania, and New York, Kimberly has successfully represented individuals, businesses, and financial institutions in high-stakes cases. Whether handling complex commercial disputes or personal injury claims, she is known for her strategic thinking, attention to detail, and commitment to client success.

• Partner

• Hinman, Howard & Kattell, LLP, Special Counsel, June, 2000 - June, 2025
• Lackawana, PA, Pro Bono Volunteer, 2005 - Present

• Florida, 1999
• New York, 2000
• Pennsylvania, 2000
• U.S. District Court Southern District of New York
• U.S. District Court Northern District of New York
• U.S. District Court Eastern District of New York
• U.S. District Court Middle District of Pennsylvania
• U.S. Bankruptcy Court Middle District of Pennsylvania
• U.S. District Court Eastern District of Pennsylvania
• Specialties and Certifications
• Circuit Court Mediator, Florida Supreme Court, 2025
• County Court Mediator, Florida Supreme Court, 2025

• American Trial Lawyers Association (Member)
• Lackawanna County Bar Association (Member)
• Broome County Bar Association (Member)
• New York State Bar Association (Member)
• Pennsylvania Bar Association (Member)
• American Bar Association (Member)
• Wilkes-Barre Law & Library Association
• Broward County Bar Association
• Palm Beach County Bar Association
• Member of Palm Beach County Bar Association’s Alternative Dispute Resolution