Atty. Tammy D'Ahn Barrett

Atty. Tammy D'Ahn Barrett

Tammy D'Ahn Barrett is a lawyer practicing antitrust law, appellate practice, energy and oil & gas law and 2 other areas of law. Tammy received a degree from Emporia State University in 1987, and has been licensed for 36 years.

Tulsa Tulsa 36 yrs experience 36 year
Call (539) 399-0602 Book Appointment

Profile Summary

About Tammy D'Ahn Barrett at a glance

Tammy D'Ahn Barrett is a Shareholder based in Tulsa, Oklahoma, practicing at GableGotwals. They have 36+ years of legal experience, licensed to practice since 1990. Their practice focuses on litigation, appellate, and energy. Admitted to practice in Oklahoma (1990). Educated at Emporia State University (B.S., 1987). Recognitions include Peer Reviewed. Serands clients in Tulsa, OK and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Tammy D'Ahn Barrett is a lawyer practicing antitrust law, appellate practice, energy and oil & gas law and 2 other areas of law
  • Tammy received a degree from Emporia State University in 1987, and has been licensed for 36 years
  • Tammy practices at GableGotwals in Tulsa, OK

Practice Areas Explained

Tammy D'Ahn Barrett's Areas of Practice

Each practice area below reflects the types of cases Tammy D'Ahn Barrett handles, with a brief overview of what that area of law covers.

Civil Litigation

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

Tammy D'Ahn Barrett is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Oklahoma →

Appellate Practice

Appellate attorneys for civil and criminal appeals at state and federal court.

Tammy D'Ahn Barrett is one of 86,319 appellate attorneys indexed nationally. Browse appellate attorneys in Oklahoma →

Energy & Utilities Law

Energy attorneys for oil & gas, renewables, utility regulation, and energy sector transactions.

Tammy D'Ahn Barrett is one of 36,230 energy attorneys indexed nationally. Browse energy 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 Tammy D'Ahn Barrett

Where is Tammy D'Ahn Barrett's law office located?
Tammy D'Ahn Barrett's law practice is located in Tulsa, Oklahoma. The firm is GableGotwals. You can contact the office directly through this profile page.
What practice areas does Tammy D'Ahn Barrett handle?
Tammy D'Ahn Barrett focuses on litigation, appellate, energy. Each practice area listed reflects experience handling cases of that type in Oklahoma.
How long has Tammy D'Ahn Barrett practiced law?
Tammy D'Ahn Barrett has 36+ years of legal experience and has been licensed since 1990.
Where did Tammy D'Ahn Barrett go to law school?
Tammy D'Ahn Barrett earned their education at (B.S., 1987).
How can I contact Tammy D'Ahn Barrett for a consultation?
You can contact Tammy D'Ahn Barrett 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 Tammy D'Ahn Barrett received?
Tammy D'Ahn Barrett's notable recognition includes: Peer Reviewed.

Education

B.S.
Emporia State University
- 1987

Awards

Peer Reviewed

Bar Admissions

Oklahoma
Admitted: 1990

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