Atty. Robert Henry O'Brien

Atty. Robert Henry O'Brien

Robert Henry O'Brien is a lawyer. Robert received a B.A. degree from University of Southern California in 1959, and has been licensed for 64 years.

Castaic Castaic 64 yrs experience 64 year
Call (747) 327-2498 Book Appointment

Profile Summary

About Robert Henry O'Brien at a glance

Robert Henry O'Brien is a Supr. Ct. J. based in Castaic, California. They have 64+ years of legal experience, licensed to practice since 1962. Admitted to practice in California (1962). Educated at University of Southern California (J.D., 1961) and University of Southern California (B.A., 1959). Serands clients in Castaic, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Robert Henry O'Brien is a lawyer
  • Robert received a B.A. degree from University of Southern California in 1959, and has been licensed for 64 years
  • Robert practices in Castaic, CA

Jurisdictional Context

Why local counsel matters in California

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

Looking for additional California attorneys? Browse all attorneys in Castaic or all attorneys in California.

Frequently Asked

Common questions about Robert Henry O'Brien

Where is Robert Henry O'Brien's law office located?
Robert Henry O'Brien's law practice is located in Castaic, California. You can contact the office directly through this profile page.
How long has Robert Henry O'Brien practiced law?
Robert Henry O'Brien has 64+ years of legal experience and has been licensed since 1962.
Where did Robert Henry O'Brien go to law school?
Robert Henry O'Brien earned their education at (J.D., 1961); (B.A., 1959).
How can I contact Robert Henry O'Brien for a consultation?
You can contact Robert Henry O'Brien 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 Southern California
- 1961
B.A.
University of Southern California
- 1959

Bar Admissions

California
Admitted: 1962

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