Atty. Daniel William Coyne

Atty. Daniel William Coyne

Daniel William Coyne is a lawyer practicing corporate & incorporation, finance, health law and 2 other areas of law. Daniel received a B.A. degree from Marquette University in 1968, and has been licensed for 55 years.

Chicago Chicago 55 yrs experience 55 year
Call (224) 801-4736 Book Appointment

Profile Summary

About Daniel William Coyne at a glance

Daniel William Coyne is a Member based in Chicago, Illinois, practicing at O'Keefe, Lyons & Hynes, LLC. They have 55+ years of legal experience, licensed to practice since 1971. Their practice focuses on formation, tax, and health care. Admitted to practice in Illinois (1971), U.S. Court of Military Appeals (1973), Massachusetts (1975), and U.S. District Court, District of Massachusetts (1975). Educated at Harvard University (J.D., 1971) and Marquette University (B.A., 1968). Recognitions include AV Preeminent. Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Daniel William Coyne is a lawyer practicing corporate & incorporation, finance, health law and 2 other areas of law
  • Daniel received a B.A. degree from Marquette University in 1968, and has been licensed for 55 years
  • Daniel practices at O'Keefe, Lyons & Hynes, LLC in Chicago, IL

Practice Areas Explained

Daniel William Coyne's Areas of Practice

Each practice area below reflects the types of cases Daniel William Coyne handles, with a brief overview of what that area of law covers.

Business Formation

Daniel William Coyne is one of 35,584 formation attorneys indexed nationally. Browse formation attorneys in Illinois →

Tax Law

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

Daniel William Coyne is one of 85,302 tax attorneys indexed nationally. Browse tax attorneys in Illinois →

Health Care Law

Health care attorneys for HIPAA, Medicare, Medicaid, regulatory compliance, and medical licensing matters.

Daniel William Coyne is one of 66,735 health care attorneys indexed nationally. Browse health care 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 Daniel William Coyne

Where is Daniel William Coyne's law office located?
Daniel William Coyne's law practice is located in Chicago, Illinois. The firm is O'Keefe, Lyons & Hynes, LLC. You can contact the office directly through this profile page.
What practice areas does Daniel William Coyne handle?
Daniel William Coyne focuses on formation, tax, health care. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Daniel William Coyne practiced law?
Daniel William Coyne has 55+ years of legal experience and has been licensed since 1971.
Where did Daniel William Coyne go to law school?
Daniel William Coyne earned their education at (J.D., 1971); (B.A., 1968).
How can I contact Daniel William Coyne for a consultation?
You can contact Daniel William Coyne 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 Daniel William Coyne received?
Daniel William Coyne's notable recognition includes: AV Preeminent.

Education

J.D.
Harvard University
- 1971
B.A.
Marquette University
- 1968

Awards

AV Preeminent

Bar Admissions

Illinois
Admitted: 1971
U.S. Court of Military Appeals
Admitted: 1973
Massachusetts
Admitted: 1975
U.S. District Court, District of Massachusetts
Admitted: 1975
U.S. Supreme Court
Admitted: 1980
U.S. Tax Court
Admitted: 1986

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