Atty. James Patrick O'Brien
James Patrick O'Brien is a lawyer practicing administrative law, admiralty & maritime, antitrust & trade law and 11 other areas of law. James received a B.S. degree from University of Notre Dame in 1980, and has been licensed for 43 years.
Administrative Law & More Attorney · Serving Chicago, IL · 43+ Years Experience
Profile Summary
About James Patrick O'Brien at a Glance
James Patrick O'Brien is a Partner based in Chicago, Illinois, practicing at Baker And Mckenzie Llp. They have 43+ years of legal experience, licensed to practice since 1983. Their practice focuses on business, real estate, bankruptcy, environmental, and government. Admitted to practice in Illinois (1983), Wisconsin (1983), U.S. Court of Appeals, Fifth Circuit (1988), and U.S. District Court, Northern District of Illinois (1988). Educated at University of Wisconsin-Madison Law School (J.D., 1983) and University of Notre Dame (B.S., 1980). Recognitions include AV Preeminent. Active member of American Bar Association Energy Bar Association American College of Real Estate Lawyers. Serves clients in Chicago, IL and the surrounding metropolitan area.
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About James Patrick O'Brien
- James Patrick O'Brien is a lawyer practicing administrative law, admiralty & maritime, antitrust & trade law and 11 other areas of law
- James received a B.S. degree from University of Notre Dame in 1980, and has been licensed for 43 years
- James practices at Baker & McKenzie LLP in Chicago, IL
Practice Areas Explained
James Patrick O'Brien's Areas of Legal Practice
Each practice area below reflects the types of cases James Patrick O'Brien handles, with a practical overview of what that area of law involves and how it may apply to your situation in Chicago.
Business & Corporate Law in Chicago
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
James Patrick O'Brien is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Illinois →
Real Estate Law in Chicago
Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.
James Patrick O'Brien is one of 313,729 real estate attorneys indexed nationally. Browse real estate attorneys in Illinois →
Bankruptcy & Debt in Chicago
A bankruptcy attorney can help you eliminate debt, stop creditor harassment, and protect your home through Chapter 7 or Chapter 13.
James Patrick O'Brien is one of 104,458 bankruptcy attorneys indexed nationally. Browse bankruptcy attorneys in Illinois →
Environmental Law in Chicago
Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.
James Patrick O'Brien is one of 55,977 environmental attorneys indexed nationally. Browse environmental attorneys in Illinois →
Government & Administrative Law in Chicago
Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.
James Patrick O'Brien is one of 131,162 government attorneys indexed nationally. Browse government attorneys in Illinois →
Jurisdictional Context
Why Local Counsel Matters in Chicago
Practicing law in Illinois. Legal matters in Illinois are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Chicago are typically filed in the local municipal court or the appropriate Illinois state district court, depending on subject matter and amount in controversy. An attorney licensed in Illinois 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 Illinois courts without local counsel or pro hac vice admission.
Chicago Courts and Legal Process
Choosing a Chicago-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 Illinois attorneys? Browse all attorneys in Chicago or all attorneys in Illinois.
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Common Questions About James Patrick O'Brien
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Professional Profile
Why Clients in Chicago Choose James 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 James Patrick O'Brien's practice in the field of business, real estate, bankruptcy, environmental, and government.
Decade-Tested Legal Experience
James Patrick O'Brien brings 43+ 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 Illinois, Wisconsin, and U.S. Court of Appeals, Fifth Circuit, James 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 bankruptcy, James 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 Chicago
A Chicago-based practice means James 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 James Patrick O'Brien Handles in Chicago
Below is a representative sample of the types of matters James Patrick O'Brien has experience with under Illinois law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.
This list is illustrative, not exhaustive. Contact James Patrick O'Brien directly to discuss the specifics of your situation.
Search Reference
How People Find James Patrick O'Brien Online
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James Patrick O'Brien's Practice Areas & Specializations
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