Van Economou

Of Counsel

Mr. Vangelis Economou is a seasoned intellectual property lawyer who brings a variety of experiences and skills to Ziliak Law.  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 dealings with the USPTO.  He has served as a patent attorney in industry for a major aerospace corporation and at several respected law firms, both in Chicago and in the Washington, DC area.  Mr. Economou was principal at an IP boutique law office from 2009 until 2020.  Mr. Economou has obtained several important patents in a variety of fields, 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.  IP services that Mr. Economou provides his clients include negotiating and enforcing IP licenses and managing administrative appeals and International Trade Commission actions, and he also supports clients’ interests in patent and trademark litigation, including appeals.  

Please do not send us confidential information until you speak with one of our lawyers and receive our authorization to send us such information. Unless we explicitly agree to enter into an attorney-client relationship with you, (i) sending us information would not on its own create such a relationship; (ii) we would have no obligation to keep the materials you send us confidential; and (iii) we could still represent other parties in relation to your matter. By sending us an e-mail, you confirm that you have read and understood this disclaimer.



John Marshall School of Law, JD

University of Chicago, BA

Practice Areas



U.S. Patent & Trademark Office


* indicates required



141 W JACKSON BLVD | SUITE 4048 | CHICAGO, IL | 60604 | 312.462.3350
bookphone-handsetmap-marker linkedin facebook pinterest youtube rss twitter instagram facebook-blank rss-blank linkedin-blank pinterest youtube twitter instagram