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Duke focuses his practice on intellectual property (IP). He is a registered patent attorney with broad IP experience in patent preparation and prosecution, patent and trademark portfolio management, freedom-to-operate studies, and license agreements. He counsels a wide variety of clients, ranging from Fortune 50 companies to small and mid-sized businesses, in all phases of intellectual property law including patents, trademarks, copyrights, and trade secrets. Duke’s patent practice includes the building and management of international patent portfolios in the gaming, casino, and financial services industries.

He also routinely assists clients with building protection in a variety of different technology fields, including computer science, electrical, and mechanical arts. Example areas of experience include cloud computing, artificial intelligence, hard disk drives, wireless communications, video compression, routers, betting and gaming, RFIDs, manufacturing systems, banking and financial systems, payment networks, imaging systems, computer systems, e-commerce, software, and medical devices.

Beyond patent portfolio management, Duke also provides IP litigation support in federal and International Trade Commission cases, including patent claim construction analysis and patent validity studies.

Other Info About Duke


Legal Work Highlights

Prepared and facilitated ongoing prosecution of international patent applications under the Patent Cooperation Treaty.

Developed and executed comprehensive IP development program for numerous startup businesses.

Performed numerous freedom-to-operate studies and competitive patent portfolio analysis.

Educated in-house inventors regarding patent application preparation and prosecution and lead invention harvesting activities.

Developed claim charts, claim constructions, and assisted in preparation of Markman briefs.

Involved in a transaction with an Asian sovereign wealth fund seeking to make its first investment in the United States.


Law School

University of North Carolina at Chapel Hill, J.D., 2005

Undergraduate School

Ohio Northern University, B.S., Electrical Engineering, 2001


Duke is admitted to practice before the following court(s):

United States Patent and Trademark Office


Local & National Recognition

BTI, Client Service All-Stars, 2022


Duke was invited to speak at the following events:

Intellectual Property 101, Carl H. Lindner College of Business at the University of Cincinnati, April 2016

Intellectual Property Basics, Carl H. Lindner College of Business at the University of Cincinnati, November 2015

Software Patents: A Moving Target, The Circuit, October 2015

Overview of Intellectual Property, Carl H. Lindner College of Business at the University of Cincinnati, April 2015

IP Law 101: What Labor & Employment Attorneys Need to Know, panelist, Cincinnati Bar Association. December 2014

Software Patents: A Moving Target, HCDC Business Center, November 2014

Management of Innovation, University of Cincinnati’s Carl H. Linder College of Business, March 2014

Overview of Intellectual Property, University of Cincinnati, Carl H. Lindner College of Business, April 2013 & October 2013

Strategies for Software Protection, Cincinnati Intellectual Property Law Association, June 2012

Major Publications

Duke is an author or contributor to the following publications:

Author: “Insert Court Approved Title Here: Rosa Parks v. LaFace Records,” 5 N.C. J.L. &Tech. 277, 2004

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