Atty. Lawrence Mentz

Atty. Lawrence Mentz

Lawrence Mentz is a lawyer practicing aviation law, commercial law, contracts and 2 other areas of law. Lawrence received a B.S. degree from Rensselaer Polytechnic Institute in 1968, and has been licensed for 53 years.

Chicago Chicago 53 yrs experience 53 year
Call (312) 535-4941 Book Appointment

Profile Summary

About Lawrence Mentz at a glance

Lawrence Mentz is a Member based in Chicago, Illinois, practicing at Kaplan Massamillo And Andrews Llc. They have 53+ years of legal experience, licensed to practice since 1973. Their practice focuses on contracts, business, appellate, and aviation. Admitted to practice in New York (1973), U.S. District Court, Southern and Eastern Districts of New York (1973), District of Columbia (1974), and U.S. Court of Appeals, Second Circuit (1974). Educated at University of Notre Dame (J.D., 1973) and Rensselaer Polytechnic Institute (B.S. Physics, 1968). Recognitions include AV Preeminent. Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Lawrence Mentz is a lawyer practicing aviation law, commercial law, contracts and 2 other areas of law
  • Lawrence received a B.S. degree from Rensselaer Polytechnic Institute in 1968, and has been licensed for 53 years
  • Lawrence practices at Kaplan, Massamillo & Andrews, LLC in Chicago, IL

Practice Areas Explained

Lawrence Mentz's Areas of Practice

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

Contracts

Lawrence Mentz is one of 76,762 contracts attorneys indexed nationally. Browse contracts attorneys in Illinois →

Business & Corporate Law

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

Lawrence Mentz is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Illinois →

Appellate Practice

Appellate attorneys for civil and criminal appeals at state and federal court.

Lawrence Mentz is one of 86,319 appellate attorneys indexed nationally. Browse appellate attorneys in Illinois →

Aviation Law

Aviation attorneys for aircraft accidents, FAA regulation, pilot defense, and aviation industry matters.

Lawrence Mentz is one of 9,225 aviation attorneys indexed nationally. Browse aviation 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 Lawrence Mentz

Where is Lawrence Mentz's law office located?
Lawrence Mentz's law practice is located in Chicago, Illinois. The firm is Kaplan Massamillo And Andrews Llc. You can contact the office directly through this profile page.
What practice areas does Lawrence Mentz handle?
Lawrence Mentz focuses on contracts, business, appellate, aviation. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Lawrence Mentz practiced law?
Lawrence Mentz has 53+ years of legal experience and has been licensed since 1973.
Where did Lawrence Mentz go to law school?
Lawrence Mentz earned their education at (J.D., 1973); (B.S. Physics, 1968).
How can I contact Lawrence Mentz for a consultation?
You can contact Lawrence Mentz 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 Lawrence Mentz received?
Lawrence Mentz's notable recognition includes: AV Preeminent.

Education

J.D.
University of Notre Dame
- 1973
B.S. Physics
Rensselaer Polytechnic Institute
- 1968

Awards

AV Preeminent

Bar Admissions

New York
Admitted: 1973
U.S. District Court, Southern and Eastern Districts of New York
Admitted: 1973
District of Columbia
Admitted: 1974
U.S. Court of Appeals, Second Circuit
Admitted: 1974
U.S. Supreme Court
Admitted: 1977
U.S. Court of Appeals for the District of Columbia Circuit and U.S. Court of Appeals, Fifth and Elev
Admitted: 1980
U.S. District Court, Northern District of Texas and U.S. District Court, Northern District of Califo
Admitted: 1986
U.S. Court of Appeals, Ninth Circuit
Admitted: 1990
U.S. Court of Appeals, Seventh Circuit U.S. District Court, Northern District of Illinois
Admitted: 1992

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