Atty. Robert Douglas Leighton

Atty. Robert Douglas Leighton

Robert Douglas Leighton is a lawyer practicing general practice, intellectual property litigation, copyright and theft of idea litigation and 5 other areas of law. Robert received a B.S. degree from University of Illinois in 2005, and has been licensed for 18 years.

Chicago Chicago 18 yrs experience 18 year
Call (312) 535-4941 Book Appointment

Profile Summary

About Robert Douglas Leighton at a glance

Robert Douglas Leighton is an Associate based in Chicago, Illinois, practicing at Sidley Austin LLP. They have 18+ years of legal experience, licensed to practice since 2008. Their practice focuses on patent, trademark, copyright, ip, and m&a. Admitted to practice in Illinois (2008), U.S. District Court, Northern District of Illinois (2008), U.S. Court of Appeals, Federal Circuit (2010), and U.S. District Court, Eastern District of Texas and U.S. Court of Appeals, Seventh Circuit registered (2011). Educated at Loyola University Chicago School of Law (J.D., 2008) and University of Illinois (B.S. Industrial, 2005). Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Robert Douglas Leighton is a lawyer practicing general practice, intellectual property litigation, copyright and theft of idea litigation and 5 other areas of law
  • Robert received a B.S. degree from University of Illinois in 2005, and has been licensed for 18 years
  • Robert practices at Sidley Austin LLP in Chicago, IL

Practice Areas Explained

Robert Douglas Leighton's Areas of Practice

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

Patent Law

Robert Douglas Leighton is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Illinois →

Trademark Law

Robert Douglas Leighton is one of 23,222 trademark attorneys indexed nationally. Browse trademark attorneys in Illinois →

Copyright Law

Robert Douglas Leighton 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.

Robert Douglas Leighton is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Illinois →

Mergers & Acquisitions

Robert Douglas Leighton is one of 49,731 m&a attorneys indexed nationally. Browse m&a 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 Robert Douglas Leighton

Where is Robert Douglas Leighton's law office located?
Robert Douglas Leighton's law practice is located in Chicago, Illinois. The firm is Sidley Austin LLP. You can contact the office directly through this profile page.
What practice areas does Robert Douglas Leighton handle?
Robert Douglas Leighton focuses on patent, trademark, copyright, ip, m&a. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Robert Douglas Leighton practiced law?
Robert Douglas Leighton has 18+ years of legal experience and has been licensed since 2008.
Where did Robert Douglas Leighton go to law school?
Robert Douglas Leighton earned their education at (J.D., 2008); (B.S. Industrial, 2005).
How can I contact Robert Douglas Leighton for a consultation?
You can contact Robert Douglas Leighton 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.
Loyola University Chicago School of Law
- 2008
B.S. Industrial
University of Illinois
- 2005

Bar Admissions

Illinois
Admitted: 2008
U.S. District Court, Northern District of Illinois
Admitted: 2008
U.S. Court of Appeals, Federal Circuit
Admitted: 2010
U.S. District Court, Eastern District of Texas and U.S. Court of Appeals, Seventh Circuit registered
Admitted: 2011

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