Atty. Mark Thomas Deming

Atty. Mark Thomas Deming

Mark Thomas Deming is a lawyer practicing hatch-waxman litigation, intellectual property & technology litigation, patent litigation and 2 other areas of law. Mark received a B.S. degree from University of Illinois in 2006, and has been licensed for 16 years.

Chicago Chicago 16 yrs experience 16 year
Call (312) 535-4941 Book Appointment

Profile Summary

About Mark Thomas Deming at a glance

Mark Thomas Deming is an Attorney based in Chicago, Illinois, practicing at Polsinelli PC. They have 16+ years of legal experience, licensed to practice since 2010. Their practice focuses on patent, ip, trade secrets, and litigation. Admitted to practice in Illinois (2010), US District Court for the Eastern District of Texas (2011), US Patent & Trademark Office (2012), and US District Court for the Northern District of Illinois (2012). Educated at University of Illinois (J.D. Magna, 2009) and University of Illinois (B.S. Magna, 2006). Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark Thomas Deming is a lawyer practicing hatch-waxman litigation, intellectual property & technology litigation, patent litigation and 2 other areas of law
  • Mark received a B.S. degree from University of Illinois in 2006, and has been licensed for 16 years
  • Mark practices at Polsinelli PC in Chicago, IL

Practice Areas Explained

Mark Thomas Deming's Areas of Practice

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

Patent Law

Mark Thomas Deming is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Illinois →

Intellectual Property

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

Mark Thomas Deming is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Illinois →

Trade Secrets

Mark Thomas Deming is one of 6,644 trade secrets attorneys indexed nationally. Browse trade secrets attorneys in Illinois →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Mark Thomas Deming is one of 454,532 litigation attorneys indexed nationally. Browse litigation 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 Mark Thomas Deming

Where is Mark Thomas Deming's law office located?
Mark Thomas Deming's law practice is located in Chicago, Illinois. The firm is Polsinelli PC. You can contact the office directly through this profile page.
What practice areas does Mark Thomas Deming handle?
Mark Thomas Deming focuses on patent, ip, trade secrets, litigation. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Mark Thomas Deming practiced law?
Mark Thomas Deming has 16+ years of legal experience and has been licensed since 2010.
Where did Mark Thomas Deming go to law school?
Mark Thomas Deming earned their education at (J.D. Magna, 2009); (B.S. Magna, 2006).
How can I contact Mark Thomas Deming for a consultation?
You can contact Mark Thomas Deming 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. Magna
University of Illinois
- 2009
B.S. Magna
University of Illinois
- 2006

Bar Admissions

Illinois
Admitted: 2010
US District Court for the Eastern District of Texas
Admitted: 2011
US Patent & Trademark Office
Admitted: 2012
US District Court for the Northern District of Illinois
Admitted: 2012
US Court of Appeals for the Federal Circuit
Admitted: 2013

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