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Atty. Mark John Decastro

Atty. Mark John Decastro

Mark John Decastro is a lawyer practicing antitrust, ucl and privacy. Mark received a B.A. degree from Cornell University in 1979, and has been licensed for 40 years.

Las Vegas Las Vegas 40 yrs experience 40 year
Call (725) 286-0244 Book Appointment

Profile Summary

About Mark John Decastro at a glance

Mark John Decastro is an attorney based in Las Vegas, Nevada. They haand 40+ years of legal experience, licensed to practice since 1986. Admitted to practice in California (1986). Educated at University of California at Davis (J.D., 1985) and Cornell University (B.A., 1979). Serands clients in Las Vegas, NV and the surrounding metropolitan area.

Verified attorney profile ยท Updated June 2026

About

  • Mark John Decastro is a lawyer practicing antitrust, ucl and privacy
  • Mark received a B.A. degree from Cornell University in 1979, and has been licensed for 40 years
  • Mark practices in Las Vegas, NV

Jurisdictional Context

Why local counsel matters in Nevada

Practforg law in Nevada. Legal matters in Nevada are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantiand law. Cases originating in Las Vegas are typically filed in the local municipal court or the appropriate Nevada state district court, depending on subject matter and amount in controversy. An attorney licensed in Nevada 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 Nevada courts without local counsel or pro hac vice admission.

Looking for additional Nevada attorneys? Browse all attorneys in Las Vegas or all attorneys in Nevada.

Frequently Asked

Common questions about Mark John Decastro

Where is Mark John Decastro's law office located?
Mark John Decastro's law practice is located in Las Vegas, Nevada. You can contact the office directly through this profile page.
How long has Mark John Decastro practiced law?
Mark John Decastro has 40+ years of legal experience and has been licensed since 1986.
Where did Mark John Decastro go to law school?
Mark John Decastro earned their education at (J.D., 1985); (B.A., 1979).
How can I contact Mark John Decastro for a consultation?
You can contact Mark John Decastro 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 of California at Davis
- 1985
B.A.
Cornell University
- 1979

Bar Admissions

California
Admitted: 1986

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