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John M.
​Challis

231 S. Bemiston,
​Suite 750

St. Louis, MO 63105

jchallis@kwm-law.com
(314) 944-5201

Areas of Practice
  • Fiduciary Litigation
  • Probate, Trust & Estate Administration
  • Guardianships & Conservatorships
  • Alternative Dispute Resolution
​Education
Saint Louis University
School of Law
J.D., magna cum laude, 2004
Alpha Sigma Nu
Jesuit Honor Society
Order of the Woolsack
Managing Editor, Saint Louis
University Public Law Review
Dean’s List
Academic Excellence Award:
     - Constitutional Law
     - Legal Profession
     - Jurisprudence

Truman State University
B.S., Biology, 2000

Bar Admissions
Missouri, 2004
Illinois, 2005
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Experience
John protects individual and business clients, diligently working toward the best possible outcome in all of their contested matters. Focused in the area of trust and fiduciary litigation, John is a Fellow in the American College of Trust and Estate Counsel (“ACTEC”).  John is also the Chair of the Missouri Bar Committee on Fiduciary Litigation and was recently named as the Lawyer of the Year by Best Lawyers for Trust and Estates Litigation. John serves clients by providing counseling, advice, and litigation support on matters relating to fiduciary relationships, will and trust contests, and all other disputes arising from asset transfer.

John has significant trial and appellate experience in both Missouri and Illinois courts. Although John is fully prepared to proceed through trial, he understands the value of alternative dispute resolution and is fully versed in utilizing mediation and arbitration to obtain favorable results for clients. Outside of the courtroom, John is a frequent author and speaker on issues relating to fiduciary relationships. John and his wife Bridget reside in St. Louis County.
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Distinctions
- Named a Top 100 Attorney in Missouri and Kansas by Super Lawyers, 2020
- Fellow, American College of Trust and Estate Counsel ("ACTEC")
- Awarded the 2018 and 2020 "Lawyer of the Year" by Best Lawyers for Litigation - Trusts and Estates in St. Louis
- Named a Top 50 Attorney in St. Louis by Missouri & Kansas Super Lawyers, 2019 and 2020
- Included on the "Under 40 Hot List" by Benchmark Litigation from 2016-2018
- Chosen as a "Future Star" by Benchmark Litigation, 2015, 2018-2019
- Recognized by Best Lawyers in the following fields:
       - Commercial Litigation, 2012-2021
       - Litigation - Trusts and Estates, 2012-2021
- Selected for inclusion in Missouri & Kansas Super Lawyers, 2013-2020
- Named "Rising Star" by Missouri & Kansas Super Lawyers, 2011-2012
Affiliations
- The Missouri Bar
       - Chair, Fiduciary Litigation Committee
       - Member, Annual Meeting Planning Committee
       - Member, Estate, Trust, and Elder Law Institute Planning Committee
- American College of Trust and Estate Counsel
       - Member, Fiduciary Litigation Committee
       - Member, Professional Responsibility Committee
       - Member, New Fellows Steering Committee
- Bar Association of Metropolitan St. Louis
- Estate Planning Council of St. Louis
Publications & Presentations
  • "No-Contest Clauses: Traps for the Unwary" The Missouri Bar, 2020
  • "Electronic Wills in Missouri: The Future is Now" Journal of The Missouri Bar, 2019
  • "Estate Planning v. Elder Law: What's in Your Durable Power of Attorney?" The Missouri Bar, 2019
  • "Annual Law Update on Trusts and Estates" The Missouri Bar, 2019-2020
  • "Trusts on Trial: Tips and Traps in Fiduciary Litigation" ACTEC Mo-Kan, 2018
  • "Strategic Point/Counterpoint on Trust Administration and Litigation" The Missouri Bar, 2018
  • "Issues Involved in Challenging and Defending the Estate Plan" St. Louis County Bar Association, 2016
  • "The Lifecycle of Powers of Attorney for the Planner and the Litigator" The Missouri Bar, 2015
  • "Understanding Key Issues in Fiduciary Litigation" The Missouri Bar, 2014
  • "The Best and Worst Ways that Fiduciaries Can Handle Beneficiaries" Bar Association of Metropolitan St. Louis, 2012
  • "Undoing the Written Word: Pitfalls in Will and Trust Contests" Bar Association of Metropolitan St. Louis, 2011
  • "Damages in Fiduciary Litigation: How to Calculate and Efficiently Present" Bar Association of Metropolitan St. Louis, 2010
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  • Home
  • Professionals
  • Practice Areas
    • Estate Planning
    • Fiduciary Litigation
    • Probate, Trust, & Estate Administration
    • Guardianship & Conservatorship
    • Real Estate
    • Business Formation & Planning
    • Alternative Dispute Resolution
    • Estate & gift Tax Planning
  • Insights
  • Contact Us