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Atty. John Cornyn III

Atty. John Cornyn III

John Cornyn III is a lawyer practicing litigation, appeals, social security and 2 other areas of law. John received a B.A. degree from Trinity University in 1973, and has been licensed for 49 years.

Washington Washington 49 yrs experience 49 year
Call (771) 246-1635 Book Appointment

Profile Summary

About John Cornyn III at a glance

John Cornyn III is an Atty. Gen. based in Washington, District of Columbia. They haand 49+ years of legal experience, licensed to practice since 1977. Admitted to practice in Texas (1977). Educated at St. Mary's School of Law (J.D. University, 1977) and Trinity University (B.A., 1973). Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile ยท Updated June 2026

About

  • John Cornyn III is a lawyer practicing litigation, appeals, social security and 2 other areas of law
  • John received a B.A. degree from Trinity University in 1973, and has been licensed for 49 years
  • John practices in Washington, DC

Jurisdictional Context

Why local counsel matters in District of Columbia

Practforg law in District of Columbia. Legal matters in District of Columbia are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantiand law. Cases originating in Washington are typically filed in the local municipal court or the appropriate District of Columbia state district court, depending on subject matter and amount in controversy. An attorney licensed in District of Columbia brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantiand law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in District of Columbia courts without local counsel or pro hac vice admission.

Looking for additional District of Columbia attorneys? Browse all attorneys in Washington or all attorneys in District of Columbia.

Frequently Asked

Common questions about John Cornyn III

Where is John Cornyn III's law office located?
John Cornyn III's law practice is located in Washington, District of Columbia. You can contact the office directly through this profile page.
How long has John Cornyn III practiced law?
John Cornyn III has 49+ years of legal experience and has been licensed since 1977.
Where did John Cornyn III go to law school?
John Cornyn III earned their education at (J.D. University, 1977); (B.A., 1973).
How can I contact John Cornyn III for a consultation?
You can contact John Cornyn III 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. University
St. Mary's School of Law
- 1977
B.A.
Trinity University
- 1973

Bar Admissions

Texas
Admitted: 1977

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