Atty. Mark Joy

Atty. Mark Joy

Mark Joy is a lawyer practicing litigation, patents, trademarks and copyrights and 5 other areas of law. Mark received a B.S. degree from University of Illinois in 1987, and has been licensed for 36 years.

Chicago Chicago 36 Years Experience 36 year
Call (872) 270-8497

Profile Summary

About Mark Joy at a glance

Mark Joy is a Member based in Chicago, Illinois, practicing at Leydig, Voit & Mayer, Ltd.. They have 36+ years of legal experience, licensed to practice since 1990. Their practice focuses on patent, trademark, copyright, business, and ip. Admitted to practice in Illinois U.S. Court of Appeals for the Federal Circuit U.S. District Court, Northern District of Ill (1990). Educated at University of Michigan (J.D., 1990) and University of Illinois (B.S. Computer, 1987). Recognitions include AV Preeminent. Serves clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark Joy is a lawyer practicing litigation, patents, trademarks and copyrights and 5 other areas of law
  • Mark received a B.S. degree from University of Illinois in 1987, and has been licensed for 36 years
  • Mark practices at Leydig, Voit & Mayer, Ltd. in Chicago, IL

Practice Areas Explained

Mark Joy's Areas of Practice

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

Patent Law

Mark Joy is one of 18,874 patent attorneys indexed nationally. Browse patent attorneys in Illinois →

Trademark Law

Mark Joy is one of 20,983 trademark attorneys indexed nationally. Browse trademark attorneys in Illinois →

Copyright Law

Mark Joy is one of 15,929 copyright attorneys indexed nationally. Browse copyright attorneys in Illinois →

Business & Corporate Law

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

Mark Joy is one of 452,854 business attorneys indexed nationally. Browse business attorneys in Illinois →

Intellectual Property

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

Mark Joy is one of 94,505 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 venue, 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 Mark Joy

Where is Mark Joy's law office located?
Mark Joy's law practice is located in Chicago, Illinois. The firm is Leydig, Voit & Mayer, Ltd.. You can contact the office directly through this profile page.
What practice areas does Mark Joy handle?
Mark Joy focuses on patent, trademark, copyright, business, ip. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Mark Joy practiced law?
Mark Joy has 36+ years of legal experience and has been licensed since 1990.
Where did Mark Joy go to law school?
Mark Joy earned their education at (J.D., 1990); (B.S. Computer, 1987).
How can I contact Mark Joy for a consultation?
You can contact Mark Joy 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 Mark Joy received?
Mark Joy's notable recognition includes: AV Preeminent.

Education

J.D.
University of Michigan
- 1990
B.S. Computer
University of Illinois
- 1987

Awards

AV Preeminent

Bar Admissions

Illinois U.S. Court of Appeals for the Federal Circuit U.S. District Court, Northern District of Ill
Admitted: 1990

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