Mary Nan Dupont


Sage Law, LLP
12980 Metcalf Avenue

Suite 500
Overland Park, Kansas 66213
(913) 341-7800 x115
(913) 341-7804 Fax


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 Mary Nan Dupont, Attorney at Law

Mary Nan Dupont, formerly of Dupont Law Firm, is an estate planning attorney with over 30 years of legal experience.  She  joined the firm of  Sage Law, LLP (formerly Post Anderson Layton Heffner, LLP) in 2017, and her  contact information is as follows:


Sage Law, LLP
12980 Metcalf Avenue, Suite 500
Overland Park, Kansas 66213
(913) 341-7800 x115
(913) 341-7804 Fax


She represents clients in the following legal practice areas of estate planning:

  • Wills and trusts
  • Durable powers of attorney for health care and financial matters
  • Living will declarations and HIPAA medical releases
  • Trust and estate administration
  • Gift and estate tax return preparation
  • Special needs planning
  • Charitable giving
  • Business succession planning
  • Limited liability companies and family limited partnerships
  • Asset protection planning


The primary focus of her legal practice is to provide high quality and affordable legal services to clients regardless of the size or complexity of the matter.   If there are legal matters in which she does not practice, such as divorce law or litigation, the other members of her firm at Sage Law, LLP are able to provide such services.  

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