Grüneberg and Myers - Intellectual Property Law


Samuel Ntiros


Samuel Ntiros



Sam Ntiros is a registered patent attorney and electrical engineer with over twenty years of experience assisting domestic and overseas corporations in developing and protecting their intellectual property portfolios. Mr. Ntiros has also held a security clearance for purposes of performing classified patent work for the U.S. Navy.

Mr. Ntiros’s principal practice areas include preparing and prosecuting patent applications covering internet, API, and other computer-related network technologies, software, wireless and satellite communications systems and standards, smart phones and tablets, displays and televisions (plasma, OLED, QLED, LCD, flexible), imaging systems, semiconductor device, memory, and fabrication technologies, integrated, digital, and analog circuits, battery management systems, and various forms of digital signal processing.

Mr. Ntiros's practice further extends to providing patentability, infringement, and invalidity opinions and forming design-around strategies. His experience in appellate practice before the U.S. Patent and Trademark Office and in due diligence review, licensing, and litigation support also inform his multifaceted understanding of intellectual property. Mr. Ntiros has spoken on selected intellectual property topics including business-method patents, Federal Circuit en banc decisions relating to claim construction, development of prosecution history estoppel under Festo, indirect infringement (inducement and contributory), means-plus-function claiming, and software patent protection under § 101. In addition, Mr. Ntiros has trained foreign corporate patent agents in U.S. patent practice.

Before becoming a lawyer, Sam Ntiros worked as an engineer developing and analyzing image processing data for various military contracts related to the U.S. Department of Defense.




The Washington College of Law, American University
Thesis: “Collateral Estoppel Effect of Patent Invalidity Judgments Vacated by the Federal Circuit”

University of Maryland
B.S., Electrical Engineering
Emphasis: Communications Systems, Digital Signal Processing, Microprocessor Systems


Admissions and Registrations

•   Virginia State Bar
•   U.S. Patent and Trademark Office
•   U.S. Court of Appeals for the Federal Circuit
•   U.S. District Court for the Eastern District of Virginia