Mark T. Mullen

Mark T. Mullen


Cozen O'Connor

Recognized since 2019

Philadelphia, Pennsylvania

Practice Areas

Insurance Law

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Mark Mullen has particular experience in federal court procedure, spoliation issues, and the economic loss doctrine.Throughout his career handling subrogation matters for more than 25 years, Mark has investigated fires in refineries, warehouses, commercial properties, and vehicles, as well as explosions, building collapses, energy losses, machine failures, and floods all over the country and internationally. He has investigated failures in more than 20 states and tried cases or handled appeals in both state and federal courts in Illinois, Maryland, New York, Ohio, Pennsylvania, Virginia and the District of Columbia. Many of the cases he handles involve confidential settlements with the recovery of substantial monies for both insured and uninsured losses.Mark is a frequent lecturer on legal issues with specialization on the topics of federal court practice and procedure and spoliation of evidence. Mark is active in The Children of The Father Foundation, a nonprofit Catholic Ministry involved in spiritual and corporal works of mercy.Mark is a summa cum laude graduate of St. Joseph's University and a cum laude graduate of the Villanova University School of Law, where he served as a note and comment editor of the Villanova Law Review. Following graduation, he spent two years as a law clerk to The Hon. Donald W. VanArtsdalen in the U.S. District Court for the Eastern District of Pennsylvania.

Contact & Links
Location
  • One Liberty Place, Suite 2800
    1650 Market Street
    Philadelphia, PA 19103
Education
  • Villanova University, J.D. , graduated 1983
  • Saint Joseph's College, B.S., graduated 1980
Bar Admissions
  • Pennsylvania, Pennsylvania Bar
Affiliations
  • American Bar Association - Member
  • American Trial Lawyers Association - Member
  • Pennsylvania Bar Association - Member
  • Philadelphia Bar Association - Member
  • Philadelphia Trial Lawyers Association - Member
  • Philadelphia Volunteers for the Indigent Program - Member
Court Admissions
  • U.S. District Court -- Eastern District of Michigan
  • U.S. District Court -- Eastern District of Pennsylvania
  • U.S. District Court -- Middle District of Pennsylvania

Cozen O'Connor
Headquarters: Philadelphia, Pennsylvania

156 The Best Lawyers in America® awards

92 Best Lawyers: Ones to Watch® in America awards

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Recognized in The Best Lawyers in America® 2025 for work in:
  • Insurance Law
Awards:
  • Best Lawyers in America 2019
Additional Areas of Practice:
  • Appellate Practice

Publications

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