Associate / Washington, DC / 202-626-6431

Won S. Yoon

Won S. Yoon is an Associate in the Washington, DC office of Fish & Richardson. Won’s practice focuses on patent prosecution and post-grant work in technologies related to electrical engineering and computer science, including signal processing, control and communication systems, semiconductors, and machine learning. Won’s legal experience includes numerous post-grant, due diligence, infringement/invalidity, and freedom-to-operate matters.

Won’s technical background includes work at Lucent Bell Laboratories, MIT Lincoln Laboratory, and IBM T.J. Watson Research Laboratories conducting research in wireless communications, signal processing, optical devices, and nanofabrication. Won’s graduate studies at MIT’s Electrical Engineering and Computer Science (EECS) Department included Ph.D.-equivalent coursework and research in the fields of wireless and optical communication technologies.


J.D., Georgetown University Law Center

E.E., Massachusetts Institute of Technology
Electrical Engineering and Computer Science (Ph.D. equivalent coursework)

S.M., Massachusetts Institute of Technology
Electrical Engineering and Computer Science

B.S., Columbia University
Electrical Engineering
summa cum laude


  • Maryland 2018
  • U.S. Patent and Trademark Office 2013

Other Distinctions


Columbia University William Everitt Student Award of Excellence
Columbia University Edwin Howard Armstrong Award
MIL3 OPNET Modeling Excellence Award for Most Outstanding Paper


Won S. Yoon, “Streaming Transmission of Poisson Traffic,” Proceedings of the 2008 IEEE International Symposium on Information Theory, Toronto, July 2008.

Won S. Yoon and Thierry E. Klein, “Transmission of Bursty Data over Wideband Fading Channels,” Proc. 2003 IEEE ISIT, Yokohama, July 2003.

Won S. Yoon and Thierry E. Klein, “Delay-Optimal Power Control for Wireless Data Users with Average Power Constraints,” Proc. 2002 IEEE ISIT, Lausanne, June 2002.

Irene Katzela, George Ellinas, Won S. Yoon, Thomas E. Stern, “Fault Diagnosis in an All-Optical Network,” IEEE Journal of High Speed Networks, 10(4):269-291, 2001.

Won S. Yoon, Richard A. Barry, and Robert G. Gallager, “Batch Wavelength Assignment for All-Optical Central-Switch Networks,” Proc. 1998 OFC Conference, San Jose, 1998.

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