Atty. Derek Leon Seal

Atty. Derek Leon Seal

Mr. Derek Leon Seal is a lawyer practicing energy & environmental, public & regulatory, administrative and public and 3 other areas of law.

Austin Austin 30 yrs experience 30 year
Call (512) 320-7237 Book Appointment

Profile Summary

About Derek Leon Seal at a glance

Derek Leon Seal is a Partner based in Austin, Texas, practicing at McGinnis Lochridge. They have 30+ years of legal experience, licensed to practice since 1996. Their practice focuses on environmental, government, and energy. Admitted to practice in Texas (1996). Educated at St. Mary's University School of Law (J.D., 1996) and University of Texas at Austin (B.A. Economics, 1991). Active member of State Bar of Texas. Serands clients in Austin, TX and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. Derek Leon Seal is a lawyer practicing energy & environmental, public & regulatory, administrative and public and 3 other areas of law
  • Derek received a B.A. degree from University of Texas at Austin in 1991, and has been licensed for 30 years
  • Derek practices at McGinnis Lochridge in Austin, TX

Practice Areas Explained

Derek Leon Seal's Areas of Practice

Each practice area below reflects the types of cases Derek Leon Seal handles, with a brief overview of what that area of law covers.

Environmental Law

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

Derek Leon Seal is one of 56,434 environmental attorneys indexed nationally. Browse environmental attorneys in Texas →

Government & Administrative Law

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

Derek Leon Seal is one of 132,225 government attorneys indexed nationally. Browse government attorneys in Texas →

Energy & Utilities Law

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

Derek Leon Seal is one of 36,230 energy attorneys indexed nationally. Browse energy 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 Austin 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 Austin or all attorneys in Texas.

Frequently Asked

Common questions about Derek Leon Seal

Where is Derek Leon Seal's law office located?
Derek Leon Seal's law practice is located in Austin, Texas. The firm is McGinnis Lochridge. You can contact the office directly through this profile page.
What practice areas does Derek Leon Seal handle?
Derek Leon Seal focuses on environmental, government, energy. Each practice area listed reflects experience handling cases of that type in Texas.
How long has Derek Leon Seal practiced law?
Derek Leon Seal has 30+ years of legal experience and has been licensed since 1996.
Where did Derek Leon Seal go to law school?
Derek Leon Seal earned their education at (J.D., 1996); (B.A. Economics, 1991).
How can I contact Derek Leon Seal for a consultation?
You can contact Derek Leon Seal 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.
St. Mary's University School of Law
- 1996
B.A. Economics
University of Texas at Austin
- 1991

Bar Admissions

Texas
Admitted: 1996

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