Thomas J. O'Malley

Thomas J. O'Malley: Attorney with Marshall Dennehey Warner Coleman & Goggin, P.C. AV stamp icon
  • Shareholder at Marshall Dennehey Warner Coleman & Goggin, P.C. (504 Attorneys)
  • 2000 Market Street, Suite 2300, Philadelphia, PA 19103
    View Thomas J. O'Malley's office location
  • Thomas J. O'Malley is a shareholder in the Casualty Department of Marshall, Dennehey, Warner, Coleman & Goggin. He focuses his practice on sports and entertainment litigation, premises liability, transportation litigation, and general liability matters along with a wide array of other topics that he has handled over the last decade in state and federal courts in Pennsylvania.
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Thomas is a shareholder in the Casualty Department. He focuses his practice on sports and entertainment litigation, premises liability, transportation litigation and general liability matters, along with a wide array of other areas that he has handled over the last decade in state and federal courts in Pennsylvania.

Thomas attended LaSalle University, where he served as the president of the student senate and received a variety of awards for academic distinction and volunteer efforts in the community. In 1993, he obtained his juris doctor from Widener University School of Law in Wilmington, Delaware. Licensed to practice in Pennsylvania and the District of Columbia, Thomas is also admitted to appear before the United States District Court for the Eastern District of Pennsylvania and the United States Court of Appeals for the Third Circuit.

Thomas sits as a judge pro tempore for the Philadelphia County Court of Common Pleas and as an arbitrator for the Philadelphia Court of Common Pleas Arbitration system. Thomas has received the highest rating from Martindale-Hubbell, an entity which rates the legal ability and ethics of attorneys based on surveys conducted with judges and attorneys. In 2007, 2010 - 2014 Law & Politics/Philadelphia Magazine named Thomas a Super Lawyer.

Classes/Seminars Taught

•Pennsylvania Law Day, Pennsylvania Bar Association, 2002-present

Fraud, Fraud, Fraud -The Use of Surveillance Video in Federal and State Courts in Pennsylvania, 1999

Honors & Awards

•AV Preeminent by Martindale-Hubbell
•Pennsylvania Super Lawyer, 2007, 2010-2015

Year Joined Organization



Will It Be Easier for Defendants To Change Venue In Pennsylvania?
Defense Digest Article December 1, 2014

By Thomas J. O'Malley, Esq.*Key PointsThe Bratic opinion provides trial courts wide discretion to decide whether the Cheeseman standard of “vexatiousness and oppressiveness” is met.Bratic empowers the trial judge to..., Defense Digest, Vol. 20, No. 4, December 2014Defense 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...

Areas of Practice (4)

  • Amusements
  • Sports and Recreation Liability
  • Premises Liability - Defense
  • Trucking & Transportation Liability

Education & Credentials

Contact Information:
(215) 575-2657  Phone
(215) 575-0856  Fax
University Attended:
La Salle University, B.S., Finance and English, 1990
Law School Attended:
Widener University School of Law, Wilmington, Delaware, J.D., 1993
Year of First Admission:
U.S. Court of Appeals 3rd Circuit; U.S. District Court Eastern District of Pennsylvania; 1996, District of Columbia; 1994, Pennsylvania

Associations & Memberships

•Burholme Civic Association & Townwatch, Legal Counsel (1999-2003)
•Lawncrest Community Association, President (2000-2002); General Counsel (1999-2002)
•Pennsylvania Bar Association
•Philadelphia Bar Association
•Hunter Soccer Club, Board of Trustees 2014 - Present.
•Hunter Club, Boys and Girls Soccer Coach, 2010 - Present.

Reported Cases:
Published Works: Will It Be Easier for Defendants To Change Venue In Pennsylvania?, Defense Digest, Vol. 20, No. 4, December 2014; 'Creeping Disease Rule' Not Applicable in Pennsylvania Property Damage Case, The Journal of Allegheny County Bar Association, 2001-06-15, Vol. 3, No. 12, and Defense Digest, 2001-02, Vol. 7, No. 1; When Is It Advantageous to Oppose a Petition For A Discontinuance?, Defense Digest, 2000-02, Vol. 6, No. 1; Will Ross Protect a Joining Defendant When the Plaintiff Gives Up?, Defense Digest, 1997-10, Vol. 3, No. 5; The Blizzard's Backlash: A Symposium on Issues Confronting Pennsylvania and New Jersey Property Owners, (Co-author), Defense Digest, 1996, Vol. 2, No. 3

Peer Reviews

  • 5.0/5.0
  • A Martindale-Hubbell Peer Rating reflects a combination of achieving a Very High General Ethical Standards rating and a Legal Ability numerical rating.

*Peer Reviews provided before April 15, 2008 are not displayed.

Philadelphia, Pennsylvania

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