Charles Liu

Practices

Education and Clerkships

Ph.D., Electrical Engineering, Louisiana State University, 2012

M.S., Electrical Engineering, Louisiana State University, 2008

B.Eng., Automation, Huazhong University of Science and Technology, 2006

Languages

Chinese (Mandarin)

Profile

Dr. Chaoxuan “Charles” Liu is a scientific advisor in the Intellectual Property Practice Group in the Richardson office of Haynes and Boone. His practice focuses on patent preparation and prosecution, and inter partes review. During his career, Charles has drafted more than 100 patent applications and prosecuted more than 70. He has also supported inter partes review and patent litigation matters.

Charles assists clients in a variety of technical areas such as semiconductors, sensors, nanotechnology, networks, telecommunications, circuits, electronics, and software applications. Charles is a co-inventor in two U.S. patents, and he has published more than 15 scientific journal articles and conference presentations on topics such as planar liquid lenses and microfabrication of sensor devices.

Selected Patents and Publications

  • J. Choi and C. Liu, “Apparatus and method for nanocomposite sensors,” U.S. Patent Nos. 9,099,224 and 9,518,878.
  • C. Liu and J. Choi, “Analyzing resistance response of embedded PDMS and carbon nanotubes composite under tensile strain,” Microelectronic Engineering, vol. 117, pp. 1-7, 2014.
  • C. Liu and J. Choi, “Improved dispersion of carbon nanotubes in polymers at high concentrations,” Nanomaterials, vol. 2, issue 4, pp. 329-347, 2012.
  • C. Liu and J. Choi, “Embedding conductive patterns of elastomer nanocomposite with the assist of laser ablation,” Microsystems Technologies, vol. 18, no. 3, pp. 365-371, 2012.
  • C. Liu and J. Choi, “Precision patterning of conductive polymer nanocomposite using a laser-ablated thin film,” Journal of Micromechanics and Microengineering, vol. 22, no. 4, 045014 (7pp), 2012.
  • C. Liu and J. Choi, “Strain-dependent resistance of PDMS and carbon nanotubes composite microstructures,” IEEE Transaction on Nanotechnology, vol. 9, issue 5, pp. 590-595, 2010.
  • C. Liu and J. Choi, “Patterning conductive PDMS nanocomposite in an elastomer using microcontact printing,” Journal of Micromechanics and Microengineering, vol. 19, no. 8, 085019 (7pp), 2009. 
  • C. Liu, J. Park, and J. Choi, “A planar lens based on electrowetting of two immiscible liquids,” Journal of Micromechanics and Microengineering, vol. 18, no. 3, 035023 (7pp), 2008.

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