Brian Emfinger

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Banner & Witcoff, Ltd.


Brian concentrates his practice on preparing and procuring patents in the computer, mechanical, and electromechanical fields including matters involving computer software, computer networks, image processing wireless devices, automotive control systems, military systems, scientific instruments, navigation devices, audio devices, and hydraulics. Brian also has experience providing legal and technical support during patent enforcement and various phases of patent litigation. Brian works with a diverse base of clients including individual inventors, startups, mid-size emerging growth companies, and Fortune 500 corporations.

Brian earned his B.S. in Computer Science, highest honors, from the Georgia Institute of Technology and his J.D. from the Chicago-Kent School of Law where he served as Executive Articles Editor for the Journal of Intellectual Property. During law school, Brian interned in the legal department at a leading online travel company where he assisted in the preparation of a patent application related to a high-profile travel service. Brian also received the 2008 Dolores K. Hanna Trademark Prize for outstanding performance in an intellectual property course.

Before joining Banner & Witcoff, Brian gained valuable experience as an associate at an IP boutique firm in the Chicagoland area where he focused on patent preparation and procurement. Prior to attending law school, Brian worked as a programmer for a software consulting company in Alpharetta, Georgia where he developed database-driven, customized business applications.

Mr. Emfinger is admitted to practice in the state of Illinois and before the United States Patent and Trademark Office.

Brian practices in the firm’s Chicago office.

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