Jeffrey P. O'Kelley

Jeffrey P. O'Kelley

Lake Forest, Illinois

Jeffrey P. O'Kelley is an attorney specializing in estate and trust litigation, and he is the acting lead chair of the Lake County Bar Association Trusts and Estates Committee. He specializes in estate and trust disputes such as will and trust contests, claims for financial exploitation of the elderly and disabled, will and trust construction cases, complex fiduciary litigation and contested guardianship proceedings. In addition, Mr. O'Kelley has extensive appellate litigation experience, including the published decisions of In re Estate of Walsh (2012 IL App (2d) 110938) and In re Estate of LaPlume (2014 IL App (2d) 130945). Mr. O'Kelley also practices in the fields of estate planning and commercial litigation, as well as estate and trust administration. He has written for the Illinois Bar Journal, the Illinois State Bar Association Trusts & Estates Newsletter, as well as the Lake County Bar Association Docket. He is an active member of both the Illinois State Bar Association and the Lake County Bar Association. Mr. O'Kelley graduated with honors from the Chicago-Kent College of Law, and he has been licensed to practice law in the State of Illinois since 2009.

Areas of Practice

  • 70% Estates and Trusts Litigation
  • 20% Estate Planning and Administration
  • 10% Commercial Litigation

Litigation Percentage

  • 80% of Practice Devoted to Litigation

Bar Admissions

  • Illinois, 2009
  • U.S. District Court Northern District of Illinois, 2010


  • Chicago-Kent College of Law, Illinois Institute of Technology, Chicago, Illinois
    • J.D. - 2009
    • Honors: With Honors
    • Honors: Recipient of Multiple CALI Awards
  • University of Illinois, Urbana-Champaign, Illinois
    • B.A. - 2004
    • Major: English and Rhetoric

Published Works

  • The Evolving Law Surrounding Quantum Meruit Claims (co-author), ISBA Trusts and Estates Newsletter, Vol. 59, No. 6, 2013
  • Probate and ‘Underwater’ Real Estate: The Promise of LaPlume (co-author), Illinois Bar Journal, June, 2015
  • Financial Exploitation of an Elderly Person or Person with a Disability (co-author), Lake County Bar Association Docket, May, 2017


  • June 2015: Ethical Considerations in the Trust and Estate Context Waukegan, IL, LCBA
  • July 2015: Wills and Trusts, Everyday Law radio program, 98.3 WRLR FM
  • November 2015: Powers of Attorney, Everyday Law radio program, 98.3 WRLR FM
  • February 2016: The Basics of Estate Planning, Waukegan, IL LCBA
  • April 2016: Overview and Analysis of Estate of LaPlume, Libertyville, IL, LCBA
  • November 2016: The Ernie Banks Estate Controversy, Lake Forest, IL, LCBA
  • March 2017: An Overview of Wills and Trusts, Round Lake, IL
  • Lake County Bar Association Trusts and Estates Committee, Annual committee seminar

Professional Associations and Memberships

  • Illinois State Bar Association, Member, 2010 - Present
  • Lake County Bar Association, Member, 2011 - Present

Past Employment Positions

  • Best, Vanderlaan & Harrington, Attorney, 2010 - 2011


  • English