Atty. Walter John O'Brien

Atty. Walter John O'Brien

Walter John O'Brien is a lawyer practicing divorce & separation, child custody, litigation and 1 other area of law. Walter has been licensed for 13 years.

New Castle New Castle 13 yrs experience 13 year
Call (302) 894-8940 Book Appointment

Profile Summary

About Walter John O'Brien at a glance

Walter John O'Brien is a divorce, child custody, zoning, and litigation attorney based in New Castle, Delaware. They have 13+ years of legal experience, licensed to practice since 2013. Admitted to practice in Delaware (2013) and Pennsylvania (2013). Educated at Widener University School of Law (JD, 2013). Serands clients in New Castle, DE and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Walter John O'Brien is a lawyer practicing divorce & separation, child custody, litigation and 1 other area of law
  • Walter has been licensed for 13 years
  • Walter practices in New Castle, DE

Practice Areas Explained

Walter John O'Brien's Areas of Practice

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

Divorce

A divorce attorney guides you through property division, spousal support, custody, and the final decree — contested or uncontested.

Walter John O'Brien is one of 50,487 divorce attorneys indexed nationally. Browse divorce attorneys in Delaware →

Child Custody & Visitation

Walter John O'Brien is one of 31,241 child custody attorneys indexed nationally. Browse child custody attorneys in Delaware →

Land Use & Zoning

Walter John O'Brien is one of 40,226 zoning attorneys indexed nationally. Browse zoning attorneys in Delaware →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Walter John O'Brien is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Delaware →

Jurisdictional Context

Why local counsel matters in Delaware

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

Looking for additional Delaware attorneys? Browse all attorneys in New Castle or all attorneys in Delaware.

Frequently Asked

Common questions about Walter John O'Brien

Where is Walter John O'Brien's law office located?
Walter John O'Brien's law practice is located in New Castle, Delaware. You can contact the office directly through this profile page.
What practice areas does Walter John O'Brien handle?
Walter John O'Brien focuses on divorce, child custody, zoning, litigation. Each practice area listed reflects experience handling cases of that type in Delaware.
How long has Walter John O'Brien practiced law?
Walter John O'Brien has 13+ years of legal experience and has been licensed since 2013.
Where did Walter John O'Brien go to law school?
Walter John O'Brien earned their education at (JD, 2013).
How can I contact Walter John O'Brien for a consultation?
You can contact Walter John 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

JD
Widener University School of Law
- 2013

Bar Admissions

Delaware
Admitted: 2013
Pennsylvania
Admitted: 2013

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