Atty. John Patrick Nyhan
John Patrick Nyhan is a lawyer practicing tax, real estate, government. John has been licensed for 28 years.
Government & More Attorney · Serving Chicago, IL · 28+ Years Experience
Profile Summary
About John Patrick Nyhan at a Glance
John Patrick Nyhan is an Attorney based in Chicago, Illinois, practicing at O'Keefe, Lyons & Hynes, LLC. They have 28+ years of legal experience, licensed to practice since 1998. Their practice focuses on real estate, tax, and government. Admitted to practice in Illinois (1998). Educated at DePaul University College of Law JD (—). Serves clients in Chicago, IL and the surrounding metropolitan area.
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About John Patrick Nyhan
- John Patrick Nyhan is a lawyer practicing tax, real estate, government
- John has been licensed for 28 years
- John practices at O'Keefe, Lyons & Hynes, LLC in Chicago, IL
Practice Areas Explained
John Patrick Nyhan's Areas of Legal Practice
Each practice area below reflects the types of cases John Patrick Nyhan handles, with a practical overview of what that area of law involves and how it may apply to your situation in Chicago.
Real Estate Law in Chicago
Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.
John Patrick Nyhan is one of 313,729 real estate attorneys indexed nationally. Browse real estate attorneys in Illinois →
Tax Law in Chicago
Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.
John Patrick Nyhan is one of 84,606 tax attorneys indexed nationally. Browse tax attorneys in Illinois →
Government & Administrative Law in Chicago
Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.
John Patrick Nyhan 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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Professional Profile
Why Clients in Chicago Choose John Patrick Nyhan
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 John Patrick Nyhan's practice in the field of real estate, tax, and government.
Decade-Tested Legal Experience
John Patrick Nyhan brings 28+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Broad Practice Area Coverage
Covering real estate, tax, and government, John Patrick Nyhan 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 John Patrick Nyhan 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 John Patrick Nyhan Handles in Chicago
Below is a representative sample of the types of matters John Patrick Nyhan 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 John Patrick Nyhan directly to discuss the specifics of your situation.
Search Reference
How People Find John Patrick Nyhan Online
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John Patrick Nyhan's Practice Areas & Specializations
Education & Law School Background
Bar Admissions & Licensed Jurisdictions
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