Atty. Stephen Lee Jantzen

Atty. Stephen Lee Jantzen

Stephen Lee Jantzen is a lawyer practicing environmental, energy, litigation. Stephen received a B.A. degree from Westminster College in 1990, and has been licensed for 32 years.

Oklahoma City Oklahoma City 32 yrs experience 32 year
Call (405) 930-3976 Book Appointment

Profile Summary

About Stephen Lee Jantzen at a glance

Stephen Lee Jantzen is a Director based in Oklahoma City, Oklahoma, practicing at Ryan Whaley Coldiron Jantzen Peters & Webber PLLC. They have 32+ years of legal experience, licensed to practice since 1994. Their practice focuses on litigation, environmental, and energy. Admitted to practice in Oklahoma U.S. District Court, Western, Northern, and Eastern Districts of Oklahoma U.S. Court of App (1994). Educated at Oklahoma City University (J.D., 1994) and Westminster College (B.A. Economics, 1990). Recognitions include Peer Reviewed. Active member of Oklahoma County, Oklahoma and American Bar Associations. Serands clients in Oklahoma City, OK and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Stephen Lee Jantzen is a lawyer practicing environmental, energy, litigation
  • Stephen received a B.A. degree from Westminster College in 1990, and has been licensed for 32 years
  • Stephen practices at Ryan Whaley Coldiron Jantzen Peters & Webber PLLC in Oklahoma City, OK

Practice Areas Explained

Stephen Lee Jantzen's Areas of Practice

Each practice area below reflects the types of cases Stephen Lee Jantzen 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.

Stephen Lee Jantzen is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Oklahoma →

Environmental Law

Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.

Stephen Lee Jantzen is one of 56,434 environmental attorneys indexed nationally. Browse environmental attorneys in Oklahoma →

Energy & Utilities Law

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

Stephen Lee Jantzen 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 Oklahoma City 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 Oklahoma City or all attorneys in Oklahoma.

Frequently Asked

Common questions about Stephen Lee Jantzen

Where is Stephen Lee Jantzen's law office located?
Stephen Lee Jantzen's law practice is located in Oklahoma City, Oklahoma. The firm is Ryan Whaley Coldiron Jantzen Peters & Webber PLLC. You can contact the office directly through this profile page.
What practice areas does Stephen Lee Jantzen handle?
Stephen Lee Jantzen focuses on litigation, environmental, energy. Each practice area listed reflects experience handling cases of that type in Oklahoma.
How long has Stephen Lee Jantzen practiced law?
Stephen Lee Jantzen has 32+ years of legal experience and has been licensed since 1994.
Where did Stephen Lee Jantzen go to law school?
Stephen Lee Jantzen earned their education at (J.D., 1994); (B.A. Economics, 1990).
How can I contact Stephen Lee Jantzen for a consultation?
You can contact Stephen Lee Jantzen 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 Stephen Lee Jantzen received?
Stephen Lee Jantzen's notable recognition includes: Peer Reviewed.

Education

J.D.
Oklahoma City University
- 1994
B.A. Economics
Westminster College
- 1990

Awards

Peer Reviewed

Bar Admissions

Oklahoma U.S. District Court, Western, Northern, and Eastern Districts of Oklahoma U.S. Court of App
Admitted: 1994

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