Atty. John Patrick Callahan, Jr.
John Patrick Callahan, Jr. is a lawyer practicing criminal law, residential, commercial and 2 other areas of law. John received a B.S. degree from Marquette University, and has been licensed for 38 years.
Profile Summary
About John Patrick Callahan, Jr. at a glance
John Patrick Callahan, Jr. is a criminal defense, business, real estate, and tax attorney based in Oak Brook, Illinois. They have 38+ years of legal experience, licensed to practice since 1988. Admitted to practice in Illinois (1988). Educated at Chicago-Kent College of Law (J.D., 1988) and Marquette University B.S. (—). Serands clients in Oak Brook, IL and the surrounding metropolitan area.
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About
- John Patrick Callahan, Jr. is a lawyer practicing criminal law, residential, commercial and 2 other areas of law
- John received a B.S. degree from Marquette University, and has been licensed for 38 years
- John practices in Oak Brook, IL
Practice Areas Explained
John Patrick Callahan, Jr.'s Areas of Practice
Each practice area below reflects the types of cases John Patrick Callahan, Jr. handles, with a brief overview of what that area of law covers.
A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.
John Patrick Callahan, Jr. is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Illinois →
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
John Patrick Callahan, Jr. is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Illinois →
Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.
John Patrick Callahan, Jr. is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in Illinois →
Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.
John Patrick Callahan, Jr. is one of 85,302 tax attorneys indexed nationally. Browse tax attorneys in Illinois →
Jurisdictional Context
Why local counsel matters in Illinois
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 Oak Brook 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 andnue, 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.
Looking for additional Illinois attorneys? Browse all attorneys in Oak Brook or all attorneys in Illinois.
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