Serving You with Over a Quarter of a Century of Experience

MARKS, O’NEILL, O’BRIEN, DOHERTY & KELLY has been at the forefront of defense litigation for over a quarter of a century representing the interests of corporations, carriers and individual clients in all areas of defense litigation.  With offices in Pennsylvania (Philadelphia and Pittsburgh), New Jersey, Delaware, New York (New York City and Westchester County) and Maryland, we offer our clients the benefits of a regional approach to their litigation needs. Learn more »