Av. Mark Donaldson Lyons

Av. Mark Donaldson Lyons

Mark Donaldson Lyons is a lawyer practicing commercial litigation, business law, labor and employment and 7 other areas of law. Mark received a B.S. degree from University of Oklahoma in 1977, and has been licensed for 46 years.

Tulsa Tulsa 46 Yıl Deneyim 46 yıl
Call (539) 666-8488 Book Appointment

Profile Summary

About Mark Donaldson Lyons at a glance

Mark Donaldson Lyons is a Senior Attorney based in Tulsa, Oklahoma, practicing at Lyons & Clark, Inc.. They have 46+ years of legal experience, licensed to practice since 1980. Their practice focuses on medical malpractice, personal injury, criminal defense, employment, and business. Admitted to practice in Oklahoma (1980), U.S. District Court, Northern District of Oklahoma (1982), U.S. District Court, Western District of Oklahoma and U.S. Court of Appeals, Tenth Circuit (1982), and Muscogee (Creek) Nation (1989). Educated at University of Tulsa, College of Law (J.D., 1980) and University of Oklahoma (B.S. Zoology, 1977). Recognitions include AV Preeminent. Active member of Tulsa County and Oklahoma Bar Associations. Serands clients in Tulsa, OK and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

Hakkında

  • Mark Donaldson Lyons is a lawyer practicing commercial litigation, business law, labor and employment and 7 other areas of law
  • Mark received a B.S. degree from University of Oklahoma in 1977, and has been licensed for 46 years
  • Mark practices at Lyons & Clark, Inc. in Tulsa, OK

Practice Areas Explained

Mark Donaldson Lyons's Areas of Practice

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

Medical Malpractice

Medical malpractice lawyers represent patients harmed by negligent doctors, hospitals, and other providers. Free case review, no fee unless you win.

Mark Donaldson Lyons is one of 49,086 medical malpractice attorneys indexed nationally. Browse medical malpractice attorneys in Oklahoma →

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

Mark Donaldson Lyons is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in Oklahoma →

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 Donaldson Lyons is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Oklahoma →

Employment Law

Employment lawyers represent workers in wrongful termination, discrimination, harassment, wage & hour disputes, and severance negotiations.

Mark Donaldson Lyons is one of 169,120 employment attorneys indexed nationally. Browse employment attorneys in Oklahoma →

Business & Corporate Law

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

Mark Donaldson Lyons is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Oklahoma →

Jurisdictional Context

Why local counsel matters in Oklahoma

Practicing law in Oklahoma. Legal matters in Oklahoma are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Tulsa are typically filed in the local municipal court or the appropriate Oklahoma state district court, depending on subject matter and amount in controversy. An attorney licensed in Oklahoma 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 Oklahoma courts without local counsel or pro hac vice admission.

Looking for additional Oklahoma attorneys? Browse all attorneys in Tulsa or all attorneys in Oklahoma.

Frequently Asked

Common questions about Mark Donaldson Lyons

Where is Mark Donaldson Lyons's law office located?
Mark Donaldson Lyons's law practice is located in Tulsa, Oklahoma. The firm is Lyons & Clark, Inc.. You can contact the office directly through this profile page.
What practice areas does Mark Donaldson Lyons handle?
Mark Donaldson Lyons focuses on medical malpractice, personal injury, criminal defense, employment, business. Each practice area listed reflects experience handling cases of that type in Oklahoma.
How long has Mark Donaldson Lyons practiced law?
Mark Donaldson Lyons has 46+ years of legal experience and has been licensed since 1980.
Where did Mark Donaldson Lyons go to law school?
Mark Donaldson Lyons earned their education at (J.D., 1980); (B.S. Zoology, 1977).
How can I contact Mark Donaldson Lyons for a consultation?
You can contact Mark Donaldson Lyons 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 Donaldson Lyons received?
Mark Donaldson Lyons's notable recognition includes: AV Preeminent.

Eğitim

J.D.
University of Tulsa, College of Law
- 1980
B.S. Zoology
University of Oklahoma
- 1977

Ödüller

AV Preeminent

Bar Admissions

Oklahoma
Admitted: 1980
U.S. District Court, Northern District of Oklahoma
Admitted: 1982
U.S. District Court, Western District of Oklahoma and U.S. Court of Appeals, Tenth Circuit
Admitted: 1982
Muscogee (Creek) Nation
Admitted: 1989

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