Atty. Sergio A. Leiseca

Atty. Sergio A. Leiseca

Mr. Sergio A.

Dallas Dallas 35 Years Experience 35 year
Call (469) 676-0741

About

  • Mr
  • Sergio A
  • Leiseca is a lawyer practicing cross-border counseling, commercial, corporate compliance
  • Sergio received a B.A. degree from Tulane University in 1968, and has been licensed for 35 years
  • Sergio practices at Sergio A
  • Leiseca, Jr. in Dallas, TX

Profile Summary

About Sergio A. Leiseca at a glance

Sergio A. Leiseca is a business and international attorney based in Dallas, Texas. They have 35+ years of legal experience, licensed to practice since 1991. They practice at Sergio A. Leiseca, Jr.. Serving clients in Dallas, TX and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

Practice Areas Explained

Sergio A. Leiseca's Areas of Practice

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

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Sergio A. Leiseca is one of 452,854 business attorneys indexed nationally. Browse business attorneys in Texas →

International Law

International law attorneys for cross-border transactions, trade, foreign investment, and treaties.

Sergio A. Leiseca is one of 36,155 international attorneys indexed nationally. Browse international 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 Dallas 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 venue, 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 Dallas or all attorneys in Texas.

Frequently Asked

Common questions about Sergio A. Leiseca

Where is Sergio A. Leiseca's law office located?
Sergio A. Leiseca's law practice is located in Dallas, Texas. The firm is Sergio A. Leiseca, Jr.. You can contact the office directly through this profile page.
What practice areas does Sergio A. Leiseca handle?
Sergio A. Leiseca focuses on business, international. Each practice area listed reflects experience handling cases of that type in Texas.
How long has Sergio A. Leiseca practiced law?
Sergio A. Leiseca has 35+ years of legal experience and has been licensed since 1991.
Where did Sergio A. Leiseca go to law school?
Sergio A. Leiseca earned their education at (J.D., 1971); (B.A., 1968).
How can I contact Sergio A. Leiseca for a consultation?
You can contact Sergio A. Leiseca 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.
Tulane University Law School
- 1971
B.A.
Tulane University
- 1968

Bar Admissions

Illinois
Admitted: 1991
Texas
Admitted: 1997

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