Atty. Sean Patrick Cullinan

Atty. Sean Patrick Cullinan

Sean Patrick Cullinan is a lawyer practicing tax, income tax, state taxation. Sean received a B.A. degree from Loyola University in 1987, and has been licensed for 34 years.

Chicago Chicago 34 yrs experience 34 year
Call (224) 452-6735 Book Appointment

Profile Summary

About Sean Patrick Cullinan at a glance

Sean Patrick Cullinan is a Member based in Chicago, Illinois, practicing at Cullinan Law. They have 34+ years of legal experience, licensed to practice since 1992. Their practice focuses on tax. Admitted to practice in Illinois (1992). Educated at John Marshall Law School (J.D., 1991) and Loyola University (B.A. Finance, 1987). Active member of Chicago and American Bar Associations. Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Sean Patrick Cullinan is a lawyer practicing tax, income tax, state taxation
  • Sean received a B.A. degree from Loyola University in 1987, and has been licensed for 34 years
  • Sean practices at Cullinan Law in Chicago, IL

Practice Areas Explained

Sean Patrick Cullinan's Areas of Practice

Each practice area below reflects the types of cases Sean Patrick Cullinan handles, with a brief overview of what that area of law covers.

Tax Law

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

Sean Patrick Cullinan 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 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 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 Chicago or all attorneys in Illinois.

Frequently Asked

Common questions about Sean Patrick Cullinan

Where is Sean Patrick Cullinan's law office located?
Sean Patrick Cullinan's law practice is located in Chicago, Illinois. The firm is Cullinan Law. You can contact the office directly through this profile page.
What practice areas does Sean Patrick Cullinan handle?
Sean Patrick Cullinan focuses on tax. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Sean Patrick Cullinan practiced law?
Sean Patrick Cullinan has 34+ years of legal experience and has been licensed since 1992.
Where did Sean Patrick Cullinan go to law school?
Sean Patrick Cullinan earned their education at (J.D., 1991); (B.A. Finance, 1987).
How can I contact Sean Patrick Cullinan for a consultation?
You can contact Sean Patrick Cullinan 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.

Practice Areas

Education

J.D.
John Marshall Law School
- 1991
B.A. Finance
Loyola University
- 1987

Bar Admissions

Illinois
Admitted: 1992

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