Mark T. Mullen

Senior Counsel

Philadelphia

(215) 665-2091

(215) 665-2013

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 30 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 six foreign countries and has tried cases or handled appeals in both state and federal courts in Delaware, 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. Last year he successfully represented multiple insurers in a $25 million commercial loss that occurred at a dock/oil storage facility in Freeport, Grand Bahama.

Mark is a frequent author and lecturer on legal issues with specialization on the topics of federal court jurisdiction, 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. 

 

Experience

News

More Than 205 Cozen O’Connor Attorneys Named Best Lawyers and Ones to Watch By The Best Lawyers In America

August 19, 2021

Best Lawyers selected 210 Cozen O’Connor lawyers from 23 of the firm’s nationwide offices for inclusion in the 2022 edition of The Best Lawyers in America.

More Than 200 Cozen O’Connor Attorneys Named Best Lawyers and Ones to Watch By The Best Lawyers In America

August 20, 2020

Best Lawyers selected 201 Cozen O’Connor lawyers from 23 of the firm’s nationwide offices for inclusion in the 2021 edition of The Best Lawyers in America© (Copyright 2020 by Woodward/White, Inc., of Aiken, SC).

138 Cozen O’Connor Attorneys Named to the Best Lawyers in America

August 28, 2019

Best Lawyers selected 138 Cozen O’Connor lawyers from 21 of the firm’s national offices for inclusion in the 2020 edition of The Best Lawyers in America.

126 Cozen O’Connor Attorneys Named to the Best Lawyers in America

August 22, 2018

One hundred twenty-six Cozen O’Connor lawyers from 20 of the firm’s national offices have been selected for inclusion in the 2018 edition of The Best Lawyers in America.

Publications

Property Owners Owe Duty of Reasonable Care to Neighbors in Maryland if Circumstances Create Hazard [Alert]

July 29, 2020

Mark Mullen and Larry Walker discuss the Maryland Court of Special Appeals upholding the intermediate appellate court’s decision that a property owner owes a duty of care to the owners and occupants of neighboring properties to use and maintain that property in a reasonably safe manner so as to avoid harm to neighboring properties.

Eighth Circuit Reverses Summary Judgment for Manufacturer in Product Defect Claim [Alert]

May 13, 2020

Mark Mullen discussed a decision by the Eighth Circuit that reminds manufacturers that instructions and warnings are not a substitute for a safe design.

Supreme Court to Hear Specific Personal Jurisdiction Product Cases That Caused Harm in Forum States

February 03, 2020

Mark Mullen discusses the two Supreme Court decisions that limited the ability of plaintiffs to sue defendants in certain jurisdictions because of defects in personal jurisdiction and how that may change soon.

Property Owners Owe Duty of Care to Neighbors Even When Use Is Not Inherently or Unreasonably Dangerous [Alert]

June 05, 2019

Mark Mullen and Larry Walker discuss Maryland Court of Appeals ruling regarding a property owner's duty to care.

Connecticut Supreme Court Clarifies (and Relaxes) the Default Rule for Subrogation Against Tenants [Alert]

November 20, 2018

Mark Mullen and Erick Kirker discuss the recent decision in Amica Mut. Ins. Co. v. Muldowney and how it changes of the law for subrogated insurers of landlords in Connecticut.

The Eleventh Circuit Affirms CSST Fire Verdict in Subrogation Case [Subrogation & Recovery Alert]

January 16, 2018

Mark Mullen discusses Eleventh Circuit's decision in a subrogation claim that also involved uninsured losses against Ward Manufacturing, Inc., one of the major manufacturers of corrugated stainless steel tubing (CSST).

IN RE: HURRICANE HARVEY, INVERSE CONDEMNATION AND POTENTIAL SUBROGATION ACTIONS [Subrogation & Recovery Whitepaper]

October 30, 2017

Mark Mullen and Raz Barnea analyze the statutory framework and existing decisional law relating to potential subrogation causes of action against governmental entities in connection with Hurricane Harvey.

Fires in Buildings Under Construction, Renovation or Demolition Present Unique Subrogation Challenges [Subrogation & Recovery Alert]

September 28, 2017

The most recent edition of the NFPA Journal, the Magazine of the National Fire Protection Association, highlights the unique dangers for large buildings under construction and renovation from significant fire damage to those buildings and surrounding properties.

The Supreme Court Gets “Specific” on Jurisdiction [Subrogation & Recovery Alert]

July 25, 2017

Mark Mullen discusses the Supreme Court's decision in Bristol-Myers Squibb Co. v. Superior Court of California and its potential impact on subrogation cases.

Events & Seminars

Past Events

Webinar: Circles of Trust

November 22, 2016 - Webinar

Cozen O'Connor Richmond Subrogation Seminar

May 07, 2015 - Richmond, VA

Industry Sectors

Education

  • Villanova University School of Law, J.D., cum laude, 1983
  • St. Joseph's University, B.S., summa cum laude, 1980

Awards & Honors

Best Lawyers in America 2019-2022

  • Pennsylvania
  • U.S. District Court -- Eastern District of Michigan
  • U.S. District Court -- Eastern District of Pennsylvania
  • U.S. District Court -- Middle District of Pennsylvania

Honorable Donald W. VanArtsdalen, U.S. District Court -- Eastern District of Pennsylvania 

  • American Bar Association
  • American Trial Lawyers Association
  • Pennsylvania Bar Association
  • Philadelphia Bar Association
  • Philadelphia Trial Lawyers Association
  • Philadelphia Volunteers for the Indigent Program