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Sonny S. Choi

T: 202-434-1500 | F: 202-434-1501

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Sonny S. Choi


*Limited to matters and proceedings before federal courts and agencies, including the U.S. Patent and Trademark Office

Sonny S. Choi is a partner with the Washington, D.C. law firm of Staas & Halsey LLP. He gained valuable patent prosecution experience while working as an extern at another Washington, D.C. intellectual property firm, preparing and prosecuting patent applications before the United States Patent and Trademark Office. Mr. Choi handled various technologies, including computer hardware and software, electrical, mechanical engineering, and physics.

Before earning his law degree, Mr. Choi worked as a Software Engineer and Application Systems Analyst at the North American Headquarter of Toyota/Lexus Corporation in Torrance, California.  He participated in designing and implementing the company’s national business applications, and he also played a role in analyzing and performing optimization for new and existing software applications.

Mr. Choi has a law degree (J.D.) and a Master of Laws (LL.M.) degree from the University of New Hampshire School of Law (Franklin Pierce Law Center) with a concentration on Intellectual Property Law, including Patent, Trademark, and Copyright. He also has an I.S. degree (B.S.) from Rensselaer Polytechnic Institute (RPI) in Troy, New York and is currently pursuing a Master of Science in Electrical and Computer Engineering at Johns Hopkins University.

Mr. Choi is admitted to practice in New York and to practice before the U.S. Patent and Trademark Office.  He holds memberships in the American Intellectual Property Law Association, the New York State Bar Association, and the American Bar Association.

Mr. Choi is fluent in Korean and enjoys playing volleyball and golf.  He was a member of RPI men’s volleyball team and USA Volleyball Association, and he participated in the U.S. Open Volleyball Championship.

Professional Associations and Memberships

  • American Intellectual Property Law Association
  • New York State Bar Association
  • American Bar Association


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1201 New York Avenue, N.W.
7th Floor

Washington, D.C. 20005

T. 202.434.1500 | F. 202.434.1501

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