O. Daniel Ansa


1255 Drummers Lane Suite 300 Wayne, PA 19087

267.528.0750 (direct)
215.900.5286 (mobile)
267.528.0726 (fax)

O. Daniel Ansa


Mr. Ansa has a diversified civil trial practice, with a particular emphasis on transportation, products liability, commercial disputes and tort litigation.  He has also handled employment discrimination litigation, environmental abatement actions, class actions, construction disputes and mass tort cases.  The majority of his practice involves the representation of Fortune 500 and international companies involved in transportation, products liability, catastrophic personal injury and property tort matters and commercial litigation.  He is frequently retained to assume lead role in high exposure cases on the eve of trial.  He served as national coordinating counsel for an international package delivery company.  As national counsel, he litigated cases throughout the United States, managed a network of local counsel and oversaw a rapid response team consisting of attorneys and retained consultants whose mission was to triage and manage catastrophic events. He serves as regional counsel for an international manufacturer of vertical transportation equipment and catastrophic cases involving products liability.


Education and Admissions


New York
U.S. District Court for the Eastern District of Pennsylvania
U.S. District Court for the Western District of Pennsylvania
U.S. District Court for the Northern District of Texas
United States Court of Appeals for the Third Circuit
United States Court of Appeals for the Fourth Circuit 
United States Court of Military Appeals
Supreme Court of the United States


J.D., University of Pittsburgh School of Law (1987)
B.A., Lake Forest College (1984)


Work Highlights

  • Defended design and manufacture of many products, including: automobiles, tractors, trains, elevators, escalators, power walks, motorcycles, water craft, ATVs, vibratory compactors, heavy and light industrial vehicles, construction equipment, mining equipment, power tools, milling machinery, steel fabricating systems and equipment, firearms, antilock braking and conventional braking systems, tractor-trailer air brake systems, seat belt assemblies, air bags, flex fans, consumer products, snow throwers, bicycles, helmets, locks, door closers, pneumatic, hydraulic and mechanical controls, press machines, paper mill machines, boilers, fire cause and origin cases, chemicals, and multiple chemical sensitivity cases. 
  • Graduated from the Naval Justice School and served as a Lieutenant Colonel in the United States Marine Corps Reserve.  
  • Held a reserve billet in the office of the Chief Defense Counsel of the Marine Corps, was a member of the Marine Corps Trial Advocacy Team and lectured nationally and internationally on trial practice.  
  • Lectured in Europe, Africa and Asia as an adjunct faculty member of the Defense Institute for International Legal Studies.  
  • Served as a guest lecturer on products liability at the Wharton School and on trial practice at Villanova University, 
  • Conducted in-house seminars for corporate legal departments and participated in panel discussions at client legal symposiums. 
  • Written extensively on products liability, rules of evidence and construction disputes.  

Prior Affiliations

DLA Piper, LLP (1994-2008)
United States Marine Corps Reserve, Lieutenant Colonel (ret.)