Atty. Mark Daniel Toljanic

Atty. Mark Daniel Toljanic

Mr. Mark Daniel Toljanic is a lawyer practicing corporate/business law, individual income tax, contracts & agreements and 5 other areas of law.

Oak Brook Oak Brook 40 yrs experience 40 year
Call (224) 801-3878 Book Appointment

Profile Summary

About Mark Daniel Toljanic at a glance

Mark Daniel Toljanic is a Member based in Oak Brook, Illinois, practicing at Martin, Craig, Chester & Sonnenschein. They have 40+ years of legal experience, licensed to practice since 1986. Their practice focuses on contracts, criminal defense, business, tax, and m&a. Admitted to practice in Illinois (1986). Educated at University of Michigan (J.D., 1986) and Indiana University (B.S., 1983). Recognitions include Peer Reviewed. Active member of Chicago and American Bar Associations. Serands clients in Oak Brook, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. Mark Daniel Toljanic is a lawyer practicing corporate/business law, individual income tax, contracts & agreements and 5 other areas of law
  • Mark received a B.S. degree from Indiana University in 1983, and has been licensed for 40 years
  • Mark practices at Martin, Craig, Chester & Sonnenschein in Oak Brook, IL

Practice Areas Explained

Mark Daniel Toljanic's Areas of Practice

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

Contracts

Mark Daniel Toljanic is one of 76,762 contracts attorneys indexed nationally. Browse contracts attorneys in Illinois →

Criminal Defense

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

Mark Daniel Toljanic is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Illinois →

Business & Corporate Law

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

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

Mergers & Acquisitions

Mark Daniel Toljanic is one of 49,731 m&a attorneys indexed nationally. Browse m&a 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 Oak Brook 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 Oak Brook or all attorneys in Illinois.

Frequently Asked

Common questions about Mark Daniel Toljanic

Where is Mark Daniel Toljanic's law office located?
Mark Daniel Toljanic's law practice is located in Oak Brook, Illinois. The firm is Martin, Craig, Chester & Sonnenschein. You can contact the office directly through this profile page.
What practice areas does Mark Daniel Toljanic handle?
Mark Daniel Toljanic focuses on contracts, criminal defense, business, tax, m&a. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Mark Daniel Toljanic practiced law?
Mark Daniel Toljanic has 40+ years of legal experience and has been licensed since 1986.
Where did Mark Daniel Toljanic go to law school?
Mark Daniel Toljanic earned their education at (J.D., 1986); (B.S., 1983).
How can I contact Mark Daniel Toljanic for a consultation?
You can contact Mark Daniel Toljanic 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.
What awards or recognition has Mark Daniel Toljanic received?
Mark Daniel Toljanic's notable recognition includes: Peer Reviewed.

Education

J.D.
University of Michigan
- 1986
B.S.
Indiana University
- 1983

Awards

Peer Reviewed

Bar Admissions

Illinois
Admitted: 1986

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