Atty. Prof. Thomas William Mayo

Atty. Prof. Thomas William Mayo

Prof. Thomas William Mayo is a lawyer practicing health care, administrative and public, government/administrative and 1 other area of law.

Dallas Dallas 48 yrs experience 48 year
Call (214) 646-1512 Book Appointment

Profile Summary

About Prof. Thomas William Mayo at a glance

Prof. Thomas William Mayo is an Of Counsel based in Dallas, Texas, practicing at Haynes and Boone, LLP. They have 48+ years of legal experience, licensed to practice since 1978. Their practice focuses on government and health care. Admitted to practice in New York District of Columbia District Court District Of Columbia -Court of Appeals -State - Supreme (1978), District Of Columbia District of Columbia Circuit Court of Appeals US Court of Appeals for the Armed (1980), and Texas (2001). Educated at Syracuse University (J.D., 1977) and Amherst College (B.A., 1971). Recognitions include AV Preeminent. Serands clients in Dallas, TX and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Prof. Thomas William Mayo is a lawyer practicing health care, administrative and public, government/administrative and 1 other area of law
  • Thomas received a B.A. degree from Amherst College in 1971, and has been licensed for 48 years
  • Thomas practices at Haynes and Boone, LLP in Dallas, TX

Practice Areas Explained

Prof. Thomas William Mayo's Areas of Practice

Each practice area below reflects the types of cases Prof. Thomas William Mayo handles, with a brief overview of what that area of law covers.

Government & Administrative Law

Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.

Prof. Thomas William Mayo is one of 132,225 government attorneys indexed nationally. Browse government attorneys in Texas →

Health Care Law

Health care attorneys for HIPAA, Medicare, Medicaid, regulatory compliance, and medical licensing matters.

Prof. Thomas William Mayo is one of 66,735 health care attorneys indexed nationally. Browse health care attorneys in Texas →

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 Dallas 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 Dallas or all attorneys in Texas.

Frequently Asked

Common questions about Prof. Thomas William Mayo

Where is Prof. Thomas William Mayo's law office located?
Prof. Thomas William Mayo's law practice is located in Dallas, Texas. The firm is Haynes and Boone, LLP. You can contact the office directly through this profile page.
What practice areas does Prof. Thomas William Mayo handle?
Prof. Thomas William Mayo focuses on government, health care. Each practice area listed reflects experience handling cases of that type in Texas.
How long has Prof. Thomas William Mayo practiced law?
Prof. Thomas William Mayo has 48+ years of legal experience and has been licensed since 1978.
Where did Prof. Thomas William Mayo go to law school?
Prof. Thomas William Mayo earned their education at (J.D., 1977); (B.A., 1971).
How can I contact Prof. Thomas William Mayo for a consultation?
You can contact Prof. Thomas William Mayo 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 Prof. Thomas William Mayo received?
Prof. Thomas William Mayo's notable recognition includes: AV Preeminent.

Education

J.D.
Syracuse University
- 1977
B.A.
Amherst College
- 1971

Awards

AV Preeminent

Bar Admissions

New York District of Columbia District Court District Of Columbia -Court of Appeals -State - Supreme
Admitted: 1978
District Of Columbia District of Columbia Circuit Court of Appeals US Court of Appeals for the Armed
Admitted: 1980
Texas
Admitted: 2001

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