Atty. William John Lenz

Atty. William John Lenz

William John Lenz is a lawyer practicing patent infringement, patent application, licensing and 6 other areas of law. William received a B.S. degree from University of Illinois in 1992, and has been licensed for 27 years.

Chicago Chicago 27 yrs experience 27 year
Call (970) 286-0899 Book Appointment

Profile Summary

About William John Lenz at a glance

William John Lenz is a Partner based in Chicago, Illinois, practicing at Neal, Gerber & Eisenberg LLP. They have 27+ years of legal experience, licensed to practice since 1999. Their practice focuses on patent, trademark, copyright, ip, and trade secrets. Admitted to practice in Illinois U.S. District Court, Northern District of Illinois, including Trial Bar U.S. District Court (1999). Educated at John Marshall Law School (J.D., 1999) and University of Illinois (B.S., 1992). Recognitions include Peer Reviewed. Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • William John Lenz is a lawyer practicing patent infringement, patent application, licensing and 6 other areas of law
  • William received a B.S. degree from University of Illinois in 1992, and has been licensed for 27 years
  • William practices at Neal, Gerber & Eisenberg LLP in Chicago, IL

Practice Areas Explained

William John Lenz's Areas of Practice

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

Patent Law

William John Lenz is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Illinois →

Trademark Law

William John Lenz is one of 23,222 trademark attorneys indexed nationally. Browse trademark attorneys in Illinois →

Copyright Law

William John Lenz is one of 17,495 copyright attorneys indexed nationally. Browse copyright attorneys in Illinois →

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

William John Lenz is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Illinois →

Trade Secrets

William John Lenz is one of 6,644 trade secrets attorneys indexed nationally. Browse trade secrets 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 William John Lenz

Where is William John Lenz's law office located?
William John Lenz's law practice is located in Chicago, Illinois. The firm is Neal, Gerber & Eisenberg LLP. You can contact the office directly through this profile page.
What practice areas does William John Lenz handle?
William John Lenz focuses on patent, trademark, copyright, ip, trade secrets. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has William John Lenz practiced law?
William John Lenz has 27+ years of legal experience and has been licensed since 1999.
Where did William John Lenz go to law school?
William John Lenz earned their education at (J.D., 1999); (B.S., 1992).
How can I contact William John Lenz for a consultation?
You can contact William John Lenz 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 William John Lenz received?
William John Lenz's notable recognition includes: Peer Reviewed.

Education

J.D.
John Marshall Law School
- 1999
B.S.
University of Illinois
- 1992

Awards

Peer Reviewed

Bar Admissions

Illinois U.S. District Court, Northern District of Illinois, including Trial Bar U.S. District Court
Admitted: 1999

Reviews

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