Tim has developed significant experience in defense of multiple litigation areas, including trucking and transportation litigation, professional liability, and products liability. He has represented a substantial number of commercial trucking companies, as well as owner operators. Tim serves as the chair of the firm's Trucking & Transportation Litigation Practice Group.
For more than 15 years, Tim has represented a national provider of physical therapy and rehabilitation in cases ranging from class actions to in-patient, out-patient, and ambulatory surgery care. With 20 years experience in defending product liability litigation representing major manufacturers, Tim has also represented specialty manufacturers of both industrial and consumer products.
Tim is a graduate of Richard Stockton College. He attended the Dickinson School of Law where he received his juris doctor in 1988. Tim began his career with Marshall Dennehey Warner Coleman & Goggin in 1987 as a law clerk and is now the managing shareholder of the Harrisburg, Pennsylvania, office.
Tim has been named a Pennsylvania Super Lawyer for 2005-2006, 2009, 2011-2014 in the area of Civil Litigation Defense.
•Legal Malpractice Avoidance, Lancaster County Bench/Bar Conference, September 2008
•New Obligations When Paying Settlements, Verdicts or Awards: Child Support Obligations and Senate Bill 1205, Defense Digest, Vol. 12, No. 4, December 2006
•Negligent Spoliation of Evidence: A New Tort? Defense Digest, December 1995
•Spoliation of Evidence, Pennsylvania Law Weekly, April 1997
Honors & Awards
• AV Preeminent by LexisNexis Martindale-Hubbell
• Best Lawyers in America - Personal Injury Litigation-Defendants, 2013
• Litigation Counsel of America Fellows
•Pennsylvania Super Lawyer, 2005-2006, 2009, 2011-2014
Year Joined Organization
On the Pulse...Profile of the Trucking & Transportation Liability Practice Group
Defense Digest Article • December 1, 2014
By Timothy J. McMahon, Esq.*The Trucking & Transportation Liability Practice Group is composed of attorneys concentrating in the representation of clients and their insurers in complex tort and coverage litigation involving all types of common..., Defense Digest, Vol. 20, No. 4, December 2014 Defense Digest is prepared by Marshall Dennehey Warner Coleman & Goggin to provide information on recent legal developments of interest to our readers. This publication is not intended to provide...
On the Pulse...A Profile of the Harrisburg, Pennsylvania Office
Defense Digest Article • December 1, 2010
Marshall, Dennehey has had an office in Harrisburg for over 20 years. The Harrisburg office has grown consistently with the growth of the firm and the expanding number of clients we serve. The office moved six years ago from a downtown location to a..., Defense Digest, Vol. 16, No. 4, December 2010
Marshall Dennehey Relocates Harrisburg Office
October 28, 2013
Marshall Dennehey has relocated its Harrisburg, Pennsylvania, office to new office space in Camp Hill. Effective today, the new office address is 100 Corporate Center Drive, Suite 201, Camp Hill, PA 17911. All telephone numbers remain the same, with the exception of a new office fax number: 717-651...