Arthur W. Lefco - Marshall Dennehey Warner Coleman & Goggin, P.C.

Arthur W. Lefco

Listed in Best Lawyers since 2007
Phone: 215-575-2588

Arthur (Terry) W. Lefco has developed a reputation as one of the Philadelphia areas' most experienced and accomplished trial lawyers in professional liability, coverage and commercial litigation cases. His fellow lawyers and their insurers routinely seek out his advice, counsel and representation.

Terry's service to the bar and the public in law-related fields, such as the Pennsylvania Disciplinary Board, the American Law Institute, the University of Pennsylvania Law School and the Philadelphia and Pennsylvania Bar Associations, has been extensive. He has written and lectured often in the areas of lawyers' professional liability and professional responsibilities.

Terry has been recognized as a Pennsylvania Super Lawyer for 2005 through 2014 and named Best Lawyers in America® 2007 to present in the areas of Legal Malpractice Law-Defendants, Professional Malpractice Law-Defendants and Commercial Litigation. He holds an AV® Preeminent™ by LexisNexis Martindale-Hubbell.

University of Pennsylvania Law SchoolJ.D. 1971Michigan State UniversityBS 1968
American Bar AssociationAmerican Law InstituteAssociation of Professional Responsibility LawyersCourt of Common Pleas, Philadelphia County, PennsylvaniaPhiladelphia Bar AssociationPennsylvania Bar AssociationPennsylvania Supreme Court Disciplinary BoardPennsylvania Supreme Court Disciplinary BoardUniversity of Pennsylvania Law School Alumni Society

Case History

Atkinson v. Haug, 424 Pa. Super. 406, 622 A.2d 983 (Pa. Super. 1993) — Redefined implied attorney client relationship under PA Law.
Home Ins. Co. v. Powell, 1996 U.S. Dist. LEXIS 6863 (E.D. Pa. 1996). — Malpractice insurance coverage based on subjective / objective analysis of lawyer's knowledge.
Oliver v. Sid Bernstein, Ltd., 1997 U.S. Dist. LEXIS 3276 (E.D. Pa. 1997). — Jury verdict in favor of lawyer on fraud claim relating to escrow account.
Int'l Land Acquisitions, Inc. v. Fausto, 39 Fed. Appx. 751, 2002 U.S. App. LEXIS 13256 (3d Circuit Court of Appeals 2002). — Plaintiff's expert testimony in legal malpractice case defective where no opinion on causation.
UA Theatre Circuit, Inc. v. Twp. of Warrington, 316 F.3d 392, 2003 U.S. App. LEXIS 515 (3d Cir. Pa. 2003). — Established requirement in 3rd Circuit that denial of substantive due process requires conduct which shocks the conscience.

Office Location

2000 Market Street, Suite 2300
Philadelphia, PA 19103
United States

Lawyer of the Year Awards

2016 Lawyer of the Year in Legal Malpractice Law - Defendants of the Philadelphia Metro Area
Arthur W. Lefco has earned a Lawyer of the Year award for 2016!

Practice Areas

Commercial Litigation
Legal Malpractice Law - Defendants
Professional Malpractice Law - Defendants (Accountants, Professional Liability)