Atty. Mark Richard Davis

Atty. Mark Richard Davis

Mark Richard Davis is a lawyer practicing state taxation, local taxation, litigation. Mark received a B.A. degree from University of New Mexico in 1975, and has been licensed for 47 years.

Chicago Chicago 47 yrs experience 47 year
Call (872) 270-8706 Book Appointment

Profile Summary

About Mark Richard Davis at a glance

Mark Richard Davis is a Member based in Chicago, Illinois, practicing at O'Keefe, Lyons & Hynes, LLC. They have 47+ years of legal experience, licensed to practice since 1979. Their practice focuses on tax and litigation. Admitted to practice in Illinois (1979), U.S. District Court, Northern District of Illinois including Trial Bar (1979), U.S. Court of Appeals, Seventh Circuit (1981), and U.S. Supreme Court and U.S. Court of Appeals, Federal Circuit (1999). Educated at DePaul University (J.D., 1979) and University of New Mexico (B.A., 1975). Recognitions include AV Preeminent. Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark Richard Davis is a lawyer practicing state taxation, local taxation, litigation
  • Mark received a B.A. degree from University of New Mexico in 1975, and has been licensed for 47 years
  • Mark practices at O'Keefe, Lyons & Hynes, LLC in Chicago, IL

Practice Areas Explained

Mark Richard Davis's Areas of Practice

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

Tax Law

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

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

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Mark Richard Davis is one of 454,532 litigation attorneys indexed nationally. Browse litigation 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 Richard Davis

Where is Mark Richard Davis's law office located?
Mark Richard Davis's law practice is located in Chicago, Illinois. The firm is O'Keefe, Lyons & Hynes, LLC. You can contact the office directly through this profile page.
What practice areas does Mark Richard Davis handle?
Mark Richard Davis focuses on tax, litigation. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Mark Richard Davis practiced law?
Mark Richard Davis has 47+ years of legal experience and has been licensed since 1979.
Where did Mark Richard Davis go to law school?
Mark Richard Davis earned their education at (J.D., 1979); (B.A., 1975).
How can I contact Mark Richard Davis for a consultation?
You can contact Mark Richard Davis 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 Richard Davis received?
Mark Richard Davis's notable recognition includes: AV Preeminent.

Education

J.D.
DePaul University
- 1979
B.A.
University of New Mexico
- 1975

Awards

AV Preeminent

Bar Admissions

Illinois
Admitted: 1979
U.S. District Court, Northern District of Illinois including Trial Bar
Admitted: 1979
U.S. Court of Appeals, Seventh Circuit
Admitted: 1981
U.S. Supreme Court and U.S. Court of Appeals, Federal Circuit
Admitted: 1999
U.S. Court of Federal Claims
Admitted: 2000
Michigan
Admitted: 2009

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