Atty. Dunstan H. Barnes

Atty. Dunstan H. Barnes

Dunstan H. Barnes is a Partner at McAndrews and practices in all areas of intellectual property law with emphasis on protecting and analyzing design rights.

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Profile Summary

About Dunstan H. Barnes at a glance

Dunstan H. Barnes is a ip attorney based in Chicago, Illinois, practicing at McDonnell Boehnen Hulbert & Berghoff LLP. Educated at Chicago-Kent College of Law at IIT (J.D., 2013) and University of Cambridge (Ph.D., 2010). Recognitions include Best Lawyers in America — Patent Law (2026), Best Lawyers in America — in America (2026), and Best Lawyers in America — from 2022-2025 for work in: (2026). Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Dunstan H. Barnes is a Partner at McAndrews and practices in all areas of intellectual property law with emphasis on protecting and analyzing design rights
  • His work in that area includes drafting and prosecuting design patent applications and conducting opinion work and due diligence investigations
  • In addition, Dunstan has considerable experience drafting and prosecuting utility patent applications and trademark applications across a range of technological fields and industries
  • As a practitioner, Dunstan is an effective communicator and an outstanding writer
  • He is particularly skilled at communicating complex, abstract technical concepts clearly and compellingly
  • He is a skilled intellectual property advocate and adviser who helps his clients protect their innovations, particularly new designs, in U.S. and global marketplaces
  • He helps his clients acquire and protect their IP rights, as well as navigate the world of existing rights
  • In 2021, Dunstan was honored as a 40 Under Forty attorney in Illinois
  • In recommending him for the honor, a senior IP counsel at a major international pharmaceutical company said of Dunstan, “I consider him to be one of the top 10 design patent attorneys in the United States, period.” Dunstan is the current Chair of the American Bar Association (ABA) Design Rights Committee and Vice Chair of the American Intellectual Property Law Association (AIPLA) Industrial Designs Committee
  • He has been an invited speaker at conferences including AIPPI World Congress, AIPLA Annual Meeting, ABA-IPL Spring Meeting, and USPTO Design Day
  • In his spare time, Dunstan enjoys football (soccer) in pretty much any weather, bass guitar, poker, and keeping up with his ever-energetic young daughter

Practice Areas Explained

Dunstan H. Barnes's Areas of Practice

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

Intellectual Property

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

Dunstan H. Barnes 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 Dunstan H. Barnes

Where is Dunstan H. Barnes's law office located?
Dunstan H. Barnes's law practice is located in Chicago, Illinois. The firm is McDonnell Boehnen Hulbert & Berghoff LLP. You can contact the office directly through this profile page.
What practice areas does Dunstan H. Barnes handle?
Dunstan H. Barnes focuses on ip. Each practice area listed reflects experience handling cases of that type in Illinois.
Where did Dunstan H. Barnes go to law school?
Dunstan H. Barnes earned their education at (J.D., 2013); (Ph.D., 2010); (—, 2006).
How can I contact Dunstan H. Barnes for a consultation?
You can contact Dunstan H. Barnes 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 Dunstan H. Barnes received?
Dunstan H. Barnes's notable recognition includes: Best Lawyers in America — Patent Law; Best Lawyers in America — in America; Best Lawyers in America — from 2022-2025 for work in:; Best Lawyers in America — Intellectual Property Law - 2025; Best Lawyers in America — Intellectual Property Law - 2024.

Practice Areas

Education

J.D.
Chicago-Kent College of Law at IIT
- 2013
Ph.D.
University of Cambridge
- 2010
University of Oxford
- 2006

Awards

Best Lawyers in America — Patent Law
- 2026
Best Lawyers in America — in America
- 2026
Best Lawyers in America — from 2022-2025 for work in:
- 2026
Best Lawyers in America — Intellectual Property Law - 2025
- 2026
Best Lawyers in America — Intellectual Property Law - 2024
- 2026
Best Lawyers in America — Intellectual Property Law - 2023
- 2026
Best Lawyers in America — Intellectual Property Law - 2022
- 2026
Best Lawyers in America — Additional Areas of Practice:
- 2026
Best Lawyers in America — Intellectual Property Law
- 2026

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