Sean P. O´Donnell


Sean O'Donnell's trial and litigation practice focuses on commercial disputes involving breach of contract claims, construction defects, bailment claims, product malfunctions, fires and complex tort claims arising out of catastrophic property damage losses.

Sean represents self-insured companies and property insurance companies in state and federal courts and he has successfully tried, arbitrated, and mediated cases throughout the eastern United States. 

Sean attended Boston College and Georgetown University Law Center and joined the firm in 1995. 



Federal Courts Refuse to Enforce Waiver of Subrogation Clauses in Certain Residential Situations [Subrogation & Recovery Alert]

February 22, 2017

Mark T. Mullen and Sean P. O’Donnell discuss two recent decisions in federal courts that refused to dismiss subrogation claims filed by the insurers of a homeowner and lessees of apartments who suffered damages paid by their carriers.

Hurricane Claims: Assessing Subrogation Potential [Property Casualty 360]

June 24, 2013

It’s critical to investigate subrogation potential in natural disaster losses. Natural disasters do not automatically preclude subrogation. Running June through November, the 2013 Atlantic hurricane season is predicted to be active or "extremely active," according to the National Oceanic and Atmospheric Administration (NOAA).

The Use of Information Posted on Facebook and MySpace in Litigation [Subrogation and Recovery Alert!]

October 14, 2009

The Use of Information Posted on Facebook and MySpace in Litigation - Subrogation and Recovery Alert! - Over the past five years, social networking websites
such as MySpace1 and Facebook2 have boomed in
popularity. MySpace has 125 million users3 and
Facebook4 has a staggering 200 million users.5 Initially intended
for college-aged students, social networking websites are
now open to the public and attract a plethora of subscribers,
ranging from teenagers to grandparents.6

Events & Seminars

Past Events

2019 Richmond Subrogation Seminar

October 16, 2019 - Richmond, VA

Industry Sectors


  • Georgetown University Law Center, J.D., 1995
  • Boston College, A.B., 1991

Awards & Honors

Listed as Legal Elite of Philadelphia by SmartCEO Magazine

  • New Jersey
  • Pennsylvania
  • U.S. District Court -- New Jersey
  • U.S. District Court -- Eastern District of Pennsylvania
  • U.S. District Court -- Middle District of Pennsylvania
  • Whitpain Recreation Association (WRA), Board of Directors
  • Philadelphia Bar Association
  • Chairman, Committee on Insurance Practice
  • Investigator, Commission on Judicial Selection and Retention
  • Senior Law Center, Firm Liaison, Contractor Fraud Group
  • Brehon Law Society
  • Pennsylvania Bar Association
  • American Bar Association