Atty. David Joseph Marr

Atty. David Joseph Marr

David Joseph Marr is a lawyer practicing patent application, copyright application, antitrust & trade law and 5 other areas of law. David received a B.S. degree from University of Illinois in 1980, and has been licensed for 39 years.

Chicago Chicago 39 yrs experience 39 year
Call (312) 442-0265 Book Appointment

Profile Summary

About David Joseph Marr at a glance

David Joseph Marr is a Member based in Chicago, Illinois, practicing at Clark Hill PLC. They have 39+ years of legal experience, licensed to practice since 1987. Their practice focuses on patent, trademark, copyright, and ip. Admitted to practice in Illinois (1987), U.S. District Court, Northern District of Illinois U.S. Court of Appeals for the Federal Circuit (1987), and registered to practice before U.S. Patent and Trademark Office (1988). Educated at Illinois Institute of Technology/Chicago-Kent College of Law (J.D., 1987) and University of Illinois (B.S. General, 1980). Active member of Chicago, Illinois State and American Bar Associations Intellectual Property Law Association of Chicago. Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • David Joseph Marr is a lawyer practicing patent application, copyright application, antitrust & trade law and 5 other areas of law
  • David received a B.S. degree from University of Illinois in 1980, and has been licensed for 39 years
  • David practices at Clark Hill PLC in Chicago, IL

Practice Areas Explained

David Joseph Marr's Areas of Practice

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

Patent Law

David Joseph Marr is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Illinois →

Trademark Law

David Joseph Marr is one of 23,222 trademark attorneys indexed nationally. Browse trademark attorneys in Illinois →

Copyright Law

David Joseph Marr 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.

David Joseph Marr is one of 106,079 ip attorneys indexed nationally. Browse ip 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 David Joseph Marr

Where is David Joseph Marr's law office located?
David Joseph Marr's law practice is located in Chicago, Illinois. The firm is Clark Hill PLC. You can contact the office directly through this profile page.
What practice areas does David Joseph Marr handle?
David Joseph Marr focuses on patent, trademark, copyright, ip. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has David Joseph Marr practiced law?
David Joseph Marr has 39+ years of legal experience and has been licensed since 1987.
Where did David Joseph Marr go to law school?
David Joseph Marr earned their education at (J.D., 1987); (B.S. General, 1980).
How can I contact David Joseph Marr for a consultation?
You can contact David Joseph Marr 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.
Illinois Institute of Technology/Chicago-Kent College of Law
- 1987
B.S. General
University of Illinois
- 1980

Bar Admissions

Illinois
Admitted: 1987
U.S. District Court, Northern District of Illinois U.S. Court of Appeals for the Federal Circuit
Admitted: 1987
registered to practice before U.S. Patent and Trademark Office
Admitted: 1988

Reviews

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.