Colin J. O'Brien



Colin is an associate in the Casualty Department where he focuses his practice in the litigation of a variety of liability areas, including premises liability, construction injury, products liability, auto liability and general liability matters.

During law school, Colin was the managing editor for the Temple International and Comparative Law Journal, a publication devoted to scholarly research in the fields of international and comparative law. Additionally, Colin participated in a clinical civil litigation program with the Philadelphia City Solicitor's office and was a student in Temple's Trial Advocacy program. While in law school, Colin worked for Marshall Dennehey as a summer associate in 2016 and remained with the firm as a law clerk during his third year of law school.

Colin received his undergraduate degree from Georgetown University where he studied international relations and Spanish. After Georgetown, Colin was a member of the Alumni Service Corps at St. Joseph's Preparatory School, where he taught Spanish, coached multiple teams and led service trips.

Year Joined Organization: 2017


OSHA and the “Controlling Employer” Policy: No Automatic Legal Duty for General Contractors
Defense Digest Article • September 4, 2018
Defense Digest, Vol. 24, No. 3, September 2018 By Colin J. O’Brien, Esq.* Key Points: Court reaffirms that OSHA violations do not establish negligence per se. OSHA regulations may establish a duty of care in a negligence suit...., Defense Digest, Vol. 24, No. 3, September 2018. 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...

Areas of Practice (5)

  • Premises Liability
  • Construction Injury Litigation
  • Product Liability
  • Automobile Liability
  • General Liability

Education & Credentials

Contact Information:
(215) 575-2779  Phone
(215) 575-0856  Fax
Year of First Admission:
2017, Pennsylvania; 2017, U.S. District Court Eastern District of Pennsylvania; 2018, New Jersey
Reported Cases:
Published Works: OSHA and the Controlling Employer Policy: No Automatic Legal Duty for General Contractors, Defense Digest, September 2018, Vol. 24, No. 3

Peer Reviews

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

Philadelphia, Pennsylvania

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