Atty. John Thomas Cusack

Atty. John Thomas Cusack

John Thomas Cusack is a lawyer practicing health care, commercial. John received a A.B. degree from University of Notre Dame in 1957, and has been licensed for 66 years.

Chicago Chicago 66 yrs experience 66 year
Call (872) 270-8523 Book Appointment

Commercial & More Attorney · Serving Chicago, IL · 66+ Years Experience

Profile Summary

About John Thomas Cusack at a Glance

John Thomas Cusack is a Member based in Chicago, Illinois, practicing at Cronin & Co., Ltd.. They have 66+ years of legal experience, licensed to practice since 1960. Their practice focuses on business and health care. Admitted to practice in Illinois (1960), U.S. District Court, Northern District of Illinois, including Trial Bar (1961), U.S. Supreme Court (1966), and U.S. Court of Appeals, Seventh Circuit (1973). Educated at University of Michigan (J.D., 1960) and University of Notre Dame (A.B., 1957). Recognitions include AV Preeminent. Active member of Chicago (Member, Antitrust Law Committee, 1971—) and American (Member, Sections on: Antitrust Law Litigation Health Law Committee) Bar Associations Bar Association of the Seventh Federal Circuit. Serves clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About John Thomas Cusack

  • John Thomas Cusack is a lawyer practicing health care, commercial
  • John received a A.B. degree from University of Notre Dame in 1957, and has been licensed for 66 years
  • John practices at Cronin & Co., Ltd. in Chicago, IL

Practice Areas Explained

John Thomas Cusack's Areas of Legal Practice

Each practice area below reflects the types of cases John Thomas Cusack 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.

John Thomas Cusack is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Illinois →

Health Care Law in Chicago

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

John Thomas Cusack is one of 66,157 health care attorneys indexed nationally. Browse health care 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.

Frequently Asked

Common Questions About John Thomas Cusack

Where is John Thomas Cusack's law office located?
John Thomas Cusack's law practice is located in Chicago, Illinois. The firm is Cronin & Co., Ltd.. You can contact the office directly through this profile page.
What practice areas does John Thomas Cusack handle?
John Thomas Cusack focuses on business, health care. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has John Thomas Cusack practiced law?
John Thomas Cusack has 66+ years of legal experience and has been licensed since 1960.
Where did John Thomas Cusack go to law school?
John Thomas Cusack earned their education at (J.D., 1960); (A.B., 1957).
How can I contact John Thomas Cusack for a consultation?
You can contact John Thomas Cusack 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 John Thomas Cusack received?
John Thomas Cusack's notable recognition includes: AV Preeminent.

Professional Profile

Why Clients in Chicago Choose John Thomas Cusack

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 Thomas Cusack's practice in the field of business and health care.

Decade-Tested Legal Experience

John Thomas Cusack brings 66+ 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, U.S. District Court, Northern District of Illinois, including Trial Bar, and U.S. Supreme Court, John Thomas Cusack can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering business and health care, John Thomas Cusack 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 Thomas Cusack 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 Thomas Cusack Handles in Chicago

Below is a representative sample of the types of matters John Thomas Cusack 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.

Business formation and structure
Business
Contract drafting and review
Business
Partnership disputes
Business
Merger and acquisition support
Business

This list is illustrative, not exhaustive. Contact John Thomas Cusack directly to discuss the specifics of your situation.

Search Reference

How People Find John Thomas Cusack Online

Prospective clients searching for legal help in Chicago commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like John Thomas Cusack.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with John Thomas Cusack directly.

John Thomas Cusack's Practice Areas & Specializations

Education & Law School Background

J.D.
University of Michigan
- 1960
A.B.
University of Notre Dame
- 1957

Awards & Professional Honors

AV Preeminent

Bar Admissions & Licensed Jurisdictions

Illinois
Admitted: 1960
U.S. District Court, Northern District of Illinois, including Trial Bar
Admitted: 1961
U.S. Supreme Court
Admitted: 1966
U.S. Court of Appeals, Seventh Circuit
Admitted: 1973
U.S. Courts of Appeals, Fifth and Ninth Circuits
Admitted: 1975
U.S. District Court, Northern District of Indiana
Admitted: 1982
U.S. Tax Court
Admitted: 1984
U.S. Court of Appeals, Third Circuit
Admitted: 1986
U.S. Court of Appeals, Tenth Circuit
Admitted: 1987

Client Reviews & Ratings — John Thomas Cusack

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