Jay Yin is an associate in the Intellectual Property Practice Group in the Dallas - North office of Haynes and Boone. His practice focuses on preparing and prosecuting patent applications.

Jay has a B.S. degree in chemical engineering and an M.S. degree in material science. Before going to law school, Jay served as an engineering group leader in a flexible thin film display company where he led the efforts to develop and manufacture organic pigment particles and dyes and to optimize the chemical processes associated with the bench-scale production of the particles and dyes.

Prior to joining Haynes and Boone, Jay was in-house counsel to two major thin film transistor liquid crystal display (TFT-LCD) makers in Taiwan separately, where he reviewed claim charts, drafted proposed claim constructions, and negotiated patent license agreements.

Jay’s areas of technical experience include Semiconductor fabrication processes, TFT-LCD fabrication processes, Capacitors, and Phase separation and inversion of polyurethane (PU).
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B.S., Chemical Engineering, National Taiwan University, 2000

J.D., University of California Davis School of Law, 2009

M.S., Materials Science and Engineering, Stanford University, 2003


Chinese (Mandarin)




David O'Dell, Jay Yin in Intellectual Property Magazine: 'Risk Alert'
March, 01 2021

Patent claims can be divided into two major categories: device claims and method claims. While functional limitations work well with method claims, they can introduce uncertainty with device claims unless used as a means-plus-function limitation according to 35 U.S.C. § 112(f). That is, a functional limitation in a device claim can be considered a claim limitation, can be ignored, or can render t [...]