Atty. Mark Lewis Dosier

Atty. Mark Lewis Dosier

Mark Lewis Dosier is a lawyer practicing corporate, securities, e-business and 3 other areas of law. Mark received a B.S. degree from University of Illinois at Champaign/Urbana in 1988, and has been licensed for 35 years.

Chicago Chicago 35 yrs experience 35 year
Call (312) 675-8613 Book Appointment

Profile Summary

About Mark Lewis Dosier at a glance

Mark Lewis Dosier is a Partner based in Chicago, Illinois, practicing at Dentons US LLP. They have 35+ years of legal experience, licensed to practice since 1991. Their practice focuses on business, m&a, and securities. Admitted to practice in Illinois (1991) and U.S. District Court, Northern District of Illinois (1991). Educated at University of Chicago (J.D., 1991) and University of Illinois at Champaign/Urbana (B.S., 1988). Active member of Chicago and American Bar Associations. Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark Lewis Dosier is a lawyer practicing corporate, securities, e-business and 3 other areas of law
  • Mark received a B.S. degree from University of Illinois at Champaign/Urbana in 1988, and has been licensed for 35 years
  • Mark practices at Dentons US LLP in Chicago, IL

Practice Areas Explained

Mark Lewis Dosier's Areas of Practice

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

Business & Corporate Law

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

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

Mergers & Acquisitions

Mark Lewis Dosier is one of 49,731 m&a attorneys indexed nationally. Browse m&a attorneys in Illinois →

Securities Law

Mark Lewis Dosier is one of 64,529 securities attorneys indexed nationally. Browse securities 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 Chicago 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 Chicago or all attorneys in Illinois.

Frequently Asked

Common questions about Mark Lewis Dosier

Where is Mark Lewis Dosier's law office located?
Mark Lewis Dosier's law practice is located in Chicago, Illinois. The firm is Dentons US LLP. You can contact the office directly through this profile page.
What practice areas does Mark Lewis Dosier handle?
Mark Lewis Dosier focuses on business, m&a, securities. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Mark Lewis Dosier practiced law?
Mark Lewis Dosier has 35+ years of legal experience and has been licensed since 1991.
Where did Mark Lewis Dosier go to law school?
Mark Lewis Dosier earned their education at (J.D., 1991); (B.S., 1988).
How can I contact Mark Lewis Dosier for a consultation?
You can contact Mark Lewis Dosier 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.
University of Chicago
- 1991
B.S.
University of Illinois at Champaign/Urbana
- 1988

Bar Admissions

Illinois
Admitted: 1991
U.S. District Court, Northern District of Illinois
Admitted: 1991

Reviews

These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.