Please sign in or create a free account to schedule a consultation.
Atty. Lewis Greenbaum

Atty. Lewis Greenbaum

Lewis Greenbaum is a lawyer practicing securities / investment fraud, communications / media, debt / lending agreements and 3 other areas of law. Lewis received a B.A. degree from New York University in 1970, and has been licensed for 52 years.

Chicago Chicago 52 yrs experience 52 year
Call (224) 801-5578 Book Appointment

Profile Summary

About Lewis Greenbaum at a glance

Lewis Greenbaum is a Partner based in Chicago, Illinois, practicing at Katten Muchin Rosenman LLP. They have 52+ years of legal experience, licensed to practice since 1974. Their practice focuses on business, securities, consumer, government, and entertainment. Admitted to practice in New York (1974) and Illinois (1978). Educated at Georgetown University Law Center (J.D., 1973) and New York University (B.A., 1970). Recognitions include AV Preeminent. Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Lewis Greenbaum is a lawyer practicing securities / investment fraud, communications / media, debt / lending agreements and 3 other areas of law
  • Lewis received a B.A. degree from New York University in 1970, and has been licensed for 52 years
  • Lewis practices at Katten Muchin Rosenman LLP in Chicago, IL

Practice Areas Explained

Lewis Greenbaum's Areas of Practice

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

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Lewis Greenbaum is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Illinois →

Securities Law

Lewis Greenbaum is one of 64,529 securities attorneys indexed nationally. Browse securities attorneys in Illinois →

Consumer Protection

Consumer protection attorneys for fraud, lemon law, debt harassment, and deceptive trade practices.

Lewis Greenbaum is one of 50,607 consumer attorneys indexed nationally. Browse consumer attorneys in Illinois →

Government & Administrative Law

Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.

Lewis Greenbaum is one of 132,225 government attorneys indexed nationally. Browse government attorneys in Illinois →

Entertainment & Sports Law

Entertainment lawyers for music, film, sports contracts, talent representation, and IP licensing.

Lewis Greenbaum is one of 45,946 entertainment attorneys indexed nationally. Browse entertainment 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 Lewis Greenbaum

Where is Lewis Greenbaum's law office located?
Lewis Greenbaum's law practice is located in Chicago, Illinois. The firm is Katten Muchin Rosenman LLP. You can contact the office directly through this profile page.
What practice areas does Lewis Greenbaum handle?
Lewis Greenbaum focuses on business, securities, consumer, government, entertainment. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Lewis Greenbaum practiced law?
Lewis Greenbaum has 52+ years of legal experience and has been licensed since 1974.
Where did Lewis Greenbaum go to law school?
Lewis Greenbaum earned their education at (J.D., 1973); (B.A., 1970).
How can I contact Lewis Greenbaum for a consultation?
You can contact Lewis Greenbaum 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 Lewis Greenbaum received?
Lewis Greenbaum's notable recognition includes: AV Preeminent.

Education

J.D.
Georgetown University Law Center
- 1973
B.A.
New York University
- 1970

Awards

AV Preeminent

Bar Admissions

New York
Admitted: 1974
Illinois
Admitted: 1978

Reviews

5.0
1 Review
5 0
4 0
3 0
2 0
1 0
These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.