Atty. Robert Patrick O'Brien

Atty. Robert Patrick O'Brien

Robert Patrick O'Brien is a lawyer practicing shipping, trucking law, admiralty and maritime law and 17 other areas of law. Robert received a B.A. degree from Johns Hopkins University in 1973, and has been licensed for 49 years.

Baltimore Baltimore 49 yrs experience 49 year
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Admiralty and Maritime Law & More Attorney · Serving Baltimore, MD · 49+ Years Experience

Profile Summary

About Robert Patrick O'Brien at a Glance

Robert Patrick O'Brien is a Partner based in Baltimore, Maryland, practicing at Niles, Barton & Wilmer, LLP. They have 49+ years of legal experience, licensed to practice since 1977. Their practice focuses on business, real estate, class action, litigation, and insurance. Admitted to practice in Maryland (1977), U.S. District Court District of Maryland (1977), U.S. Federal Court (1978), and U.S. Court of Appeals, Fourth Circuit (1980). Educated at Johns Hopkins University (B.A. Philosophy, 1973) and University of Maryland School of Law J.D. with honors University of Maryland School of Law J.D. 1977 Notes and Comments Editor University of Maryland School of Law J.D. Maryland Law Review Un (—). Recognitions include AV Preeminent. Active member of The Bar Association of Baltimore City Maryland State Bar Association American Bar Association Maritime Law Association of the United States Maritime Law Association Maritime Torts and Casualties Committee Defense Research Institute Trucking Law Committee. Serves clients in Baltimore, MD and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Robert Patrick O'Brien

  • Robert Patrick O'Brien is a lawyer practicing shipping, trucking law, admiralty and maritime law and 17 other areas of law
  • Robert received a B.A. degree from Johns Hopkins University in 1973, and has been licensed for 49 years
  • Robert practices at Niles, Barton & Wilmer, LLP in Baltimore, MD

Practice Areas Explained

Robert Patrick O'Brien's Areas of Legal Practice

Each practice area below reflects the types of cases Robert Patrick O'Brien handles, with a practical overview of what that area of law involves and how it may apply to your situation in Baltimore.

Business & Corporate Law in Baltimore

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

Robert Patrick O'Brien is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Maryland →

Real Estate Law in Baltimore

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

Robert Patrick O'Brien is one of 313,729 real estate attorneys indexed nationally. Browse real estate attorneys in Maryland →

Class Action in Baltimore

Robert Patrick O'Brien is one of 26,226 class action attorneys indexed nationally. Browse class action attorneys in Maryland →

Civil Litigation in Baltimore

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

Robert Patrick O'Brien is one of 450,751 litigation attorneys indexed nationally. Browse litigation attorneys in Maryland →

Insurance Law in Baltimore

Insurance attorneys for coverage disputes, bad faith claims, denied claims, and policy disputes.

Robert Patrick O'Brien is one of 120,903 insurance attorneys indexed nationally. Browse insurance attorneys in Maryland →

Jurisdictional Context

Why Local Counsel Matters in Baltimore

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

Baltimore Courts and Legal Process

Choosing a Baltimore-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.

Looking for additional Maryland attorneys? Browse all attorneys in Baltimore or all attorneys in Maryland.

Frequently Asked

Common Questions About Robert Patrick O'Brien

Where is Robert Patrick O'Brien's law office located?
Robert Patrick O'Brien's law practice is located in Baltimore, Maryland. The firm is Niles, Barton & Wilmer, LLP. You can contact the office directly through this profile page.
What practice areas does Robert Patrick O'Brien handle?
Robert Patrick O'Brien focuses on business, real estate, class action, litigation, insurance. Each practice area listed reflects experience handling cases of that type in Maryland.
How long has Robert Patrick O'Brien practiced law?
Robert Patrick O'Brien has 49+ years of legal experience and has been licensed since 1977.
Where did Robert Patrick O'Brien go to law school?
Robert Patrick O'Brien earned their education at (B.A. Philosophy, 1973); (—).
How can I contact Robert Patrick O'Brien for a consultation?
You can contact Robert Patrick 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 Robert Patrick O'Brien received?
Robert Patrick O'Brien's notable recognition includes: AV Preeminent.

Professional Profile

Why Clients in Baltimore Choose Robert Patrick O'Brien

Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Robert Patrick O'Brien's practice in the field of business, real estate, class action, litigation, and insurance.

Decade-Tested Legal Experience

Robert Patrick O'Brien brings 49+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Multi-State Bar Admission

Licensed in Maryland, U.S. District Court District of Maryland, and U.S. Federal Court, Robert Patrick O'Brien can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering business, real estate, and class action, Robert Patrick O'Brien can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Baltimore

A Baltimore-based practice means Robert Patrick O'Brien attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.

Case Types

Common Legal Issues Robert Patrick O'Brien Handles in Baltimore

Below is a representative sample of the types of matters Robert Patrick O'Brien has experience with under Maryland law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.

Business formation and structure
Business
Contract drafting and review
Business
Partnership disputes
Business
Merger and acquisition support
Business
Residential property transactions
Real Estate
Commercial lease disputes
Real Estate
Title and deed issues
Real Estate
Landlord-tenant conflicts
Real Estate

This list is illustrative, not exhaustive. Contact Robert Patrick O'Brien directly to discuss the specifics of your situation.

Search Reference

How People Find Robert Patrick O'Brien Online

Prospective clients searching for legal help in Baltimore commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like Robert Patrick O'Brien.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with Robert Patrick O'Brien directly.

Education & Law School Background

B.A. Philosophy
Johns Hopkins University
- 1973
—
University of Maryland School of Law J.D. with honors University of Maryland School of Law J.D. 1977 Notes and Comments Editor University of Maryland School of Law J.D. Maryland Law Review Un
- In Progress

Awards & Professional Honors

AV Preeminent

Bar Admissions & Licensed Jurisdictions

Maryland
Admitted: 1977
U.S. District Court District of Maryland
Admitted: 1977
U.S. Federal Court
Admitted: 1978
U.S. Court of Appeals, Fourth Circuit
Admitted: 1980

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