Van Economou

Of Counsel

Mr. Vangelis Economou is a seasoned intellectual property lawyer who brings a broad experience and IP knowledge to Ziliak Law. His recent projects resulted in settling a patent infringement case for a client in lieu of litigation, obtaining dismissal of a cancellation proceeding against a client’s trademark registrations, having several design patents granted for another client, and advising on patent portfolio holdings for a fourth cleint. Mr. Economou has obtained important patents for clients in a variety of fields and technologies, including down hole petroleum production filters, mechanical seals, household hardware designs, wallboard production, and metallurgical alloys used in electric vehicles, among others. Numerous trademark and copyright registrations have benefited his clients’ businesses. Among the IP services that Mr. Economou provides to his clients are negotiating and enforcing IP licenses and managing administrative appeals and International Trade Commission actions. He also vigorously defends clients’ interests in patent and trademark litigation, including in appeals.

After receiving a Bachelor of Arts degree in Physics from the University of Chicago in 1979, Mr. Economou attended the John Marshall Law School, where he was awarded a Juris Doctor Degree in 1983. His experience as an Examiner in the Optoelectronic Arts at the United States Patent and Trademark Office has served him in good stead in patent prosecution before the USPTO. He has served as a patent attorney for a major aerospace corporation and at several outstanding law firms, both in Chicago and in the Washington, DC area.

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John Marshall School of Law, JD

University of Chicago, BA

Practice Areas



U.S. Patent & Trademark Office


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141 W JACKSON BLVD | SUITE 4048 | CHICAGO, IL | 60604 | 312.462.3350
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