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Atty. John William Cornell

Atty. John William Cornell

John William Cornell is a lawyer practicing patent application, patent infringement, licensing and 2 other areas of law. John received a B.A. degree from Eisenhower College in 1977, and has been licensed for 45 years.

Deerfield Deerfield 45 yrs experience 45 year
Call (970) 286-0899 Book Appointment

Profile Summary

About John William Cornell at a glance

John William Cornell is an attorney based in Deerfield, Illinois. They haand 45+ years of legal experience, licensed to practice since 1981. Admitted to practice in Pennsylvania (1981), New York (1983), and Illinois registered to practice before U.S. Patent and Trademark Office (1997). Educated at University of Pittsburgh School of Law (J.D., 1980) and Eisenhower College (B.A., 1977). Serands clients in Deerfield, IL and the surrounding metropolitan area.

Verified attorney profile ยท Updated June 2026

About

  • John William Cornell is a lawyer practicing patent application, patent infringement, licensing and 2 other areas of law
  • John received a B.A. degree from Eisenhower College in 1977, and has been licensed for 45 years
  • John practices in Deerfield, IL

Jurisdictional Context

Why local counsel matters in Illinois

Practforg law in Illinois. Legal matters in Illinois are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantiand law. Cases originating in Deerfield 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 substantiand 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 Deerfield or all attorneys in Illinois.

Frequently Asked

Common questions about John William Cornell

Where is John William Cornell's law office located?
John William Cornell's law practice is located in Deerfield, Illinois. You can contact the office directly through this profile page.
How long has John William Cornell practiced law?
John William Cornell has 45+ years of legal experience and has been licensed since 1981.
Where did John William Cornell go to law school?
John William Cornell earned their education at (J.D., 1980); (B.A., 1977).
How can I contact John William Cornell for a consultation?
You can contact John William Cornell 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.

Education

J.D.
University of Pittsburgh School of Law
- 1980
B.A.
Eisenhower College
- 1977

Bar Admissions

Pennsylvania
Admitted: 1981
New York
Admitted: 1983
Illinois registered to practice before U.S. Patent and Trademark Office
Admitted: 1997

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