Atty. Denise Oncken

Atty. Denise Oncken

Ms. Denise Oncken is a lawyer practicing criminal law, criminal defense.

Houston Houston 40 yrs experience 40 year
Call (346) 771-0064 Book Appointment

Profile Summary

About Denise Oncken at a glance

Denise Oncken is a Harris Co. Dist. Attorney's Off. based in Houston, Texas. They have 40+ years of legal experience, licensed to practice since 1986. Their practice focuses on criminal defense. Admitted to practice in Texas (1986) and U.S. District Court, Southern District of Texas (1988). Educated at South Texas College of Law (J.D., 1985) and University of Houston (B.B.A. University, 1978). Recognitions include AV Preeminent. Serands clients in Houston, TX and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Ms. Denise Oncken is a lawyer practicing criminal law, criminal defense
  • Denise received a B.B.A. degree from University of Houston in 1978, and has been licensed for 40 years
  • Denise practices in Houston, TX

Practice Areas Explained

Denise Oncken's Areas of Practice

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

Criminal Defense

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

Denise Oncken is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense 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 Houston 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 Houston or all attorneys in Texas.

Frequently Asked

Common questions about Denise Oncken

Where is Denise Oncken's law office located?
Denise Oncken's law practice is located in Houston, Texas. You can contact the office directly through this profile page.
What practice areas does Denise Oncken handle?
Denise Oncken focuses on criminal defense. Each practice area listed reflects experience handling cases of that type in Texas.
How long has Denise Oncken practiced law?
Denise Oncken has 40+ years of legal experience and has been licensed since 1986.
Where did Denise Oncken go to law school?
Denise Oncken earned their education at (J.D., 1985); (B.B.A. University, 1978).
How can I contact Denise Oncken for a consultation?
You can contact Denise Oncken 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 Denise Oncken received?
Denise Oncken's notable recognition includes: AV Preeminent.

Education

J.D.
South Texas College of Law
- 1985
B.B.A. University
University of Houston
- 1978

Awards

AV Preeminent

Bar Admissions

Texas
Admitted: 1986
U.S. District Court, Southern District of Texas
Admitted: 1988

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