Atty. Mark Edward O'Leary

Atty. Mark Edward O'Leary

Mark Edward O'Leary is a lawyer. Mark received a B.A. degree from Baldwin-Wallace College in 1972, and has been licensed for 51 years.

Plano Plano 51 yrs experience 51 year
Call (945) 212-3612 Book Appointment

Profile Summary

About Mark Edward O'Leary at a glance

Mark Edward O'Leary is an attorney based in Plano, Texas. They have 51+ years of legal experience, licensed to practice since 1975. Admitted to practice in Ohio (1975). Educated at University of Cincinnati (J.D., 1975) and Baldwin-Wallace College (B.A., 1972). Serands clients in Plano, TX and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark Edward O'Leary is a lawyer
  • Mark received a B.A. degree from Baldwin-Wallace College in 1972, and has been licensed for 51 years
  • Mark practices in Plano, TX

Jurisdictional Context

Why local counsel matters in Texas

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

Looking for additional Texas attorneys? Browse all attorneys in Plano or all attorneys in Texas.

Frequently Asked

Common questions about Mark Edward O'Leary

Where is Mark Edward O'Leary's law office located?
Mark Edward O'Leary's law practice is located in Plano, Texas. You can contact the office directly through this profile page.
How long has Mark Edward O'Leary practiced law?
Mark Edward O'Leary has 51+ years of legal experience and has been licensed since 1975.
Where did Mark Edward O'Leary go to law school?
Mark Edward O'Leary earned their education at (J.D., 1975); (B.A., 1972).
How can I contact Mark Edward O'Leary for a consultation?
You can contact Mark Edward O'Leary 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 Cincinnati
- 1975
B.A.
Baldwin-Wallace College
- 1972

Bar Admissions

Ohio
Admitted: 1975

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