Atty. Mark R. Leonard

Atty. Mark R. Leonard

Mark R. Leonard is a lawyer practicing general practice, income tax, estate planning and 1 other area of law.

Troy Troy 26 yrs experience 26 year
Call (618) 573-0344 Book Appointment

Profile Summary

About Mark R. Leonard at a glance

Mark R. Leonard is a Member based in Troy, Illinois, practicing at Leonard & Associates. They have 26+ years of legal experience, licensed to practice since 2000. Their practice focuses on estate planning, business, and tax. Admitted to practice in Missouri (2000) and Illinois (2001). Educated at St. Louis University (J.D., 2000) and Southern Illinois University (B.S., 1976). Serands clients in Troy, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark R. Leonard is a lawyer practicing general practice, income tax, estate planning and 1 other area of law
  • Mark received a B.S. degree from Southern Illinois University in 1976, and has been licensed for 26 years
  • Mark practices at Leonard & Associates in Troy, IL

Practice Areas Explained

Mark R. Leonard's Areas of Practice

Each practice area below reflects the types of cases Mark R. Leonard handles, with a brief overview of what that area of law covers.

Estate Planning & Probate

An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.

Mark R. Leonard is one of 226,537 estate planning attorneys indexed nationally. Browse estate planning attorneys in Illinois →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Mark R. Leonard is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Illinois →

Tax Law

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

Mark R. Leonard is one of 85,302 tax attorneys indexed nationally. Browse tax attorneys in Illinois →

Jurisdictional Context

Why local counsel matters in Illinois

Practicing law in Illinois. Legal matters in Illinois are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Troy are typically filed in the local municipal court or the appropriate Illinois state district court, depending on subject matter and amount in controversy. An attorney licensed in Illinois brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Illinois courts without local counsel or pro hac vice admission.

Looking for additional Illinois attorneys? Browse all attorneys in Troy or all attorneys in Illinois.

Frequently Asked

Common questions about Mark R. Leonard

Where is Mark R. Leonard's law office located?
Mark R. Leonard's law practice is located in Troy, Illinois. The firm is Leonard & Associates. You can contact the office directly through this profile page.
What practice areas does Mark R. Leonard handle?
Mark R. Leonard focuses on estate planning, business, tax. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Mark R. Leonard practiced law?
Mark R. Leonard has 26+ years of legal experience and has been licensed since 2000.
Where did Mark R. Leonard go to law school?
Mark R. Leonard earned their education at (J.D., 2000); (B.S., 1976).
How can I contact Mark R. Leonard for a consultation?
You can contact Mark R. Leonard directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

J.D.
St. Louis University
- 2000
B.S.
Southern Illinois University
- 1976

Bar Admissions

Missouri
Admitted: 2000
Illinois
Admitted: 2001

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