Atty. Patrick S. O'Brien

Atty. Patrick S. O'Brien

Patrick S. O'Brien is a lawyer practicing railroad worker injury/fela, plaintiff’s personal injury, plaintiff’s workers compensation and 7 other areas of law.

St. Louis St. Louis 47 yrs experience 47 year
Call (314) 408-3130 Book Appointment

Profile Summary

About Patrick S. O'Brien at a glance

Patrick S. O'Brien is a Member based in St. Louis, Missouri, practicing at Law Offices of Patrick S. O’Brien, LLC. They have 47+ years of legal experience, licensed to practice since 1979. Their practice focuses on personal injury, workers comp, and product liability. Admitted to practice in Missouri (1979), U.S. District Court Western District of Missouri (1979), Illinois (1980), and U.S. District Court Eastern District of Missouri (1980). Educated at St. Louis University (J.D., 1979) and University of Missouri (B.A., 1976). Recognitions include AV Preeminent. Serands clients in St. Louis, MO and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Patrick S. O'Brien is a lawyer practicing railroad worker injury/fela, plaintiff’s personal injury, plaintiff’s workers compensation and 7 other areas of law
  • Patrick S. received a B.A. degree from University of Missouri in 1976, and has been licensed for 47 years
  • Patrick S. practices at Law Offices of Patrick S. O’Brien, LLC in St. Louis, MO

Practice Areas Explained

Patrick S. O'Brien's Areas of Practice

Each practice area below reflects the types of cases Patrick S. O'Brien handles, with a brief overview of what that area of law covers.

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

Patrick S. O'Brien is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in Missouri →

Workers Compensation

Workers compensation lawyers help injured workers get medical care, lost wages, and disability benefits. Free consult, no fee unless you win.

Patrick S. O'Brien is one of 55,389 workers comp attorneys indexed nationally. Browse workers comp attorneys in Missouri →

Product Liability

Patrick S. O'Brien is one of 66,193 product liability attorneys indexed nationally. Browse product liability attorneys in Missouri →

Jurisdictional Context

Why local counsel matters in Missouri

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

Looking for additional Missouri attorneys? Browse all attorneys in St. Louis or all attorneys in Missouri.

Frequently Asked

Common questions about Patrick S. O'Brien

Where is Patrick S. O'Brien's law office located?
Patrick S. O'Brien's law practice is located in St. Louis, Missouri. The firm is Law Offices of Patrick S. O’Brien, LLC. You can contact the office directly through this profile page.
What practice areas does Patrick S. O'Brien handle?
Patrick S. O'Brien focuses on personal injury, workers comp, product liability. Each practice area listed reflects experience handling cases of that type in Missouri.
How long has Patrick S. O'Brien practiced law?
Patrick S. O'Brien has 47+ years of legal experience and has been licensed since 1979.
Where did Patrick S. O'Brien go to law school?
Patrick S. O'Brien earned their education at (J.D., 1979); (B.A., 1976).
How can I contact Patrick S. O'Brien for a consultation?
You can contact Patrick S. 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.
What awards or recognition has Patrick S. O'Brien received?
Patrick S. O'Brien's notable recognition includes: AV Preeminent.

Education

J.D.
St. Louis University
- 1979
B.A.
University of Missouri
- 1976

Awards

AV Preeminent

Bar Admissions

Missouri
Admitted: 1979
U.S. District Court Western District of Missouri
Admitted: 1979
Illinois
Admitted: 1980
U.S. District Court Eastern District of Missouri
Admitted: 1980
U.S. District Court Southern District of Illinois
Admitted: 1983
Minnesota
Admitted: 1986
U.S. District Court Northern District of Illinois
Admitted: 1989
U.S. District Court Central District of Illinois
Admitted: 2006
U.S. District Court Eastern District of Oklahoma
Admitted: 2009
U.S. District Court District of Colorado
Admitted: 2011
U.S. District Court District of Nebraska
Admitted: 2012

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