Advertising Disclosure Email Disclosure
PDF version

Arthur W. Lefco

Senior Counsel
2000 Market Street, Suite 2300
Philadelphia, PA 19103
(215) 575-2588
(215) 575-0856 - Fax

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 was selected the 2016 Legal Malpractice Law – Defendants "Lawyer of the Year" for Philadelphia by Best Lawyers in America®. Terry is also recognized by Best Lawyers in the areas of Professional Malpractice Law-Defendants and Commercial Litigation. He has been recognized as a Pennsylvania Super Lawyer for over ten years and is rated AV® Preeminent™ by Martindale-Hubbell.

Significant Representative Matters

  • Brandow Chevrolet Inc., et al., vs. Reed Smith LLP (2015). Three-week jury trial on legal malpractice claim seeking in excess of $18 Million. Defense verdict. No appeal.

  • Capital Care v. Hunt, 847 A.2d 75 (PA Super. 2004). Restated standard for scope of attorney duty to client.

  • 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.

  • 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.

  • Nixon v., 196 F. Supp. 2d 920 (Ed MO 2002). Declared Telephone Consumer Protection Act of 1992 unconstitutional in defense of First Amendment.

  • 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.

  • 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.

  • Atkinson v. Haug, 424 Pa. Super. 406, 622 A.2d 983 (Pa. Super. 1993). Redefined implied attorney client relationship under PA Law.

Classes/Seminars Taught

  • False Arrest and Malicious Prosecution, webinar, CNA Insurance, September 2011

  • Malpractice Avoidance Seminars - Delaware County Bar Association, Montgomery County Bar Association, Bucks County Bar Association, 2008 - 2010

  • Numerous Malpractice Avoidance Seminars - Pennsylvania Law Firms, 1990 - 2010

  • Malpractice Avoidance Seminar, Conference of County Bar Leaders, State College, Pennsylvania, March 4, 2005

  • Avoiding Malpractice Liability, Pennsylvania Bar Association, Reading, Pennsylvania, April 19, 2005

  • Special Problems of Lawyer Experts, Pennsylvania Bar Association Civil Litigation Section, Annual Retreat, April 11­13, 2003

  • Hot Topics in Business Litigation, Professional Education Systems, Inc., November 19, 2002

  • Legal Ethics in Pennsylvania, Lorman Education Services, September 18, 2002

  • Avoiding and Dealing With Tax Malpractice Cases, Pennsylvania Institute of Certified Public Accountants, Greater Philadelphia Chapter, November 28, 2001

Published Works

  • "Insurance Claim Information May Be Discoverable," ABA Journal, July 2000

  • "Wrongful Use of Civil Proceedings," Pennsylvania Bar Institute, 2000

  • "Successful Termination in Wrongful Use of Civil Proceedings Cases," Pennsylvania Bar Institute, PBI No. 2000-2546 B

  • "Common Causes of Legal Malpractice and How to Avoid Them," Pennsylvania Bar Institute, PBI No. 1999-2339


  • University of Pennsylvania Law School, Philadelphia, PA (J.D., 1971)

  • Michigan State University, East Lansing, MI (B.S., with honors, 1968)

Past Employment Positions

  • Cozen O'Connor, Senior Member, 1998 - 2002

  • Sherr, Joffe & Zuckerman P.C., Shareholder, 1994 - 1998

  • Mesirov, Gelman, Jaffe, Cramer & Jamieson, Associate to Partner, 1975 - 1994

  • Philadelphia Housing Authority, General Counsel, 1973 - 1975 

August 18, 2015
Arthur W. Lefco, professional liability attorney in the Philadelphia office of Marshall Dennehey Warner Coleman & Goggin, has been named the 2016 Legal Malpractice Law – Defendants "Lawyer of the Year" for Philadelphia by Best Lawyers in America©. Mr. Lefco was additionally recognized by Best...
October 1, 2011
Craig Hudson (Ft. Lauderdale, FL), Terry Lefco (Philadelphia, PA),Jack Slimm (Cherry Hill, NJ), and Art Wheeler (Cherry Hill, NJ) were the featured speakers for a national webinar entitled False Arrest and Malicious Prosecution.  This national webinar was hosted by CNA Insurance with over 180 in...


  • University of Pennsylvania Law School (J.D., 1971)
  • Michigan State University (B.S., with honors, 1968)

Bar Admissions

  • Pennsylvania, 1971
  • U.S. District Court Eastern District of Pennsylvania, 1972
  • U.S. District Court Middle District of Pennsylvania, 1985
  • U.S. Court of Appeals 3rd Circuit, 1984
  • U.S. Supreme Court, 1984

Associations & Memberships

  • American Bar Association
  • American Law Institute, Elected Member
  • Association of Professional Responsibility Lawyers
  • Court of Common Pleas, Philadelphia County, Pennsylvania, Judge Pro Tempore, 1994 to present
  • Hearing Committee Chair, Serving the Disciplinary Board of the Supreme Court of Pennsylvania, 2001 - 2004
  • Hearing Committee Member, Serving the Disciplinary Board of the Supreme Court of Pennsylvania 1998 - 2001
  • Philadelphia Bar Association, Insurance Programs Committee, 1983 - Present
  • Pennsylvania Bar Association, Professional Liability Committee, Vice Chair 2010, Past Chair
  • University of Pennsylvania Law School Alumni Society, 1995 - Present. Past President
  • Whitemarsh Township Planning Commission, Member

Honors & Awards

Year Joined Organization: 2002

Before you send this email please note:

You are attempting to send email, through a link on our website, to an attorney of Marshall Dennehey Warner Coleman & Goggin or an employee in our firm. Please note that your email may not be treated as confidential and does not create an attorney-client relationship. You should not rely upon the transmission of an email through this website if you are seeking to enter into such a relationship. Until such time as we have agreed to represent you, no information in your email will be treated as confidential. Please contact us directly by telephone at 1.800.220.3308 if it is your intent to seek legal counsel with our firm or convey confidential information.

If it is still your intent to send this email, knowing that it may not be treated as confidential, you may accept our terms of agreement by pressing "OK". If you choose not to accept these terms of agreement you may navigate away from this page by pressing "Cancel."