Committed To Excellent Legal Representation

Mary L. Sims

Attorney Mary L. Sims photo

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Practice Areas:

  • Estates
  • Business Law


Mary has been Of Counsel with Duffy North since 2014.  She practices in Estates, Business and related areas in New Jersey and Pennsylvania. For more than 20 years, Mary has taught business and law classes at  Arcadia University and paralegal classes at Manor College.  Currently she is the Director of Manor College's Legal Studies Program. 

Mary received her law degree from Pepperdine University School of Law and a Masters in Moral Theology from Saint Charles Seminary in Philadelphia. 

She dedicates her time not only to teaching but in doing service in the community.  She has contributed time and energy to many local endeavors, including but not limited to: the Career Wardrobe (helping women return to the workforce) and Wills for Heroes (providing estate documents for first responders); she also provides advice and support to shelters and other non-profit organizations.  She works with Rotary International and other NGO’s at the University level to help students make a connection between professional life and a commitment to others, and she writes and speaks on the subjects of law, global business ethics, and social responsibility.


  • Pepperdine University School of Law, Malibu, California

Bar Admissions

  • New Jersey, 1987
  • Pennsylvania, 1987

Current Employment Position

  • Of Counsel