Joseph Patrick O'Brien, Esquire

Managing Partner 




Accounting, Villanova University, 1965

J.D., Villanova University School of Law, 1968



Chairs and Memberships

Past and Present:

  • Chair, Accounting and Law Committee, 2001-Present
  • Pennsylvania Bar Association (Unauthorized Practice of Law Committee, 1994-Present, Co-Chair, 1999-Present;Advertising Committee 1994-Present;
  • Commission on  Multidisciplinary Practice, 1999-Present;
  • The Association of Trial Lawyers of America; 
  • Pennsylvania Institute of Certified Public Accountants;
  • Institute of Property Taxation; 
  • American Association of Attorneys-CPA's, Inc., 
  • Founder, Delaware County Attorney-C.P.A. Forum, President,1980-1984 
  • Delaware County Legal Assistance, Inc., Board of Directors
  • Delaware County Bar Association (President, Young Lawyers Section, 1975-1976); Treasurer, 1980
  • Chair, Economics of Law Section, 1979-1986, 1991-1992
  • Chair, Unauthorized Practice of Law Committee, 1990-1992 


Practice Areas

Real Estate Tax Assessment Litigation

Income and Estate Taxation and Planning 

Real Estate Law