Yonglin Liu, Ph.D., Associate


Yonglin Liu, Ph.D., is a member of the firm's Intellectual Property Practice Group. Dr. Liu's experience includes preparing and prosecuting domestic and foreign patent applications and assisting clients with patentability analyses and infringement and invalidity assessments.

Dr. Liu's technical expertise includes Pharmaceutical, Chemical, Materials Science and Engineering, Nanotechnology/Nanomaterials, Biotechnology, Biofuel, and other Life Science technologies, along with consumer products, water treatment and purification, biomedical and mechanical art. Dr. Liu has assisted clients to secure patents or prosecute patent applications in the fields of pharmaceuticals, small-molecule drugs and related formulations, vaccine technology, catalysts, natural products, polymers, nanomaterials, lubricants, surfactants, recombinant proteins, therapeutic antibodies, medical devices, drug delivery systems, and diagnostic systems. Dr. Liu assists a broad range of clients including universities and research institutions, start-ups, mid-size companies and Fortune 500 multinational corporations.

Dr. Liu is an author of many prestigious publications, including publications in Angew. Chem. Int. Ed., Nano Letter, and Journal of Organic Chemistry. He is listed as an inventor on an issued U.S. patent.

Legal Services

Education and Honors

  • John Marshall Law School (J.D., cum laude, 2017)
    • Howard T. Markey Distinguished Scholarship (2013-2017)
    • Dean's List
    • Herzog scholarship (2013-2015)
  • Johns Hopkins University (Ph.D., 2006)
    • Major: Organic Chemistry
  • Johns Hopkins University (M.S., 2003)
    • Major: Organic Chemistry
  • Dalian Institute of Chemical Physics, Chinese Academy of Sciences (M.S., 2000)
    • Major: Physical Chemistry
  • Nankai University (B.S., 1997)
    • Major: Organic Chemistry

Bar Admissions

  • Illinois

Court Admissions

  • U.S. Patent and Trademark Office, 2011


  • Mandarin Chinese

Selected Presentations/Publications

  • Tyler A. Chavez, Yonglin Liu, and John P. Toscano, Time-Resolved Infrared (TRIR) Studies of Oxycarbonylnitrenes, J. Org. Chem., 2016, 81 (15), pp 6320–6328
  • Han Xiaogang, Yunhua Xu, Xinyi Chen, Yu-Chen Chen, Nicholas Weadock, Jiayu Wan, Hongli Zhu, Yonglin Liu, Heqin Li, Gary Rubloff, Liangbing Hu, Reactivation of Dissolved Polysulfides in Li-S Batteries Based on Atomic Layer Deposition of Al2O3 in Porous Carbon Cloth Nano Energy, 2013, 2, 1197-1206
  • Liu, Y.; Xu, Y.; Wang, C.; Hu, L.; Amorphous Porous FePO4 Nanoparticles Connected by Single-Wall Carbon Nanotubes for Sodium Ion Battery. Nano. Lett., 2012, 12, 5664
  • Liu, Y.; Anthony Evans, Toscano, J. P. Nanosecond Time-Resolved IR Study of Thiobenzoylnitrene Phys. Chem. Chem. Phys., 2012, 14, 10438-10444
  • Liu, Y.*; Hight Walker, A. Preferential Outward Diffusion of Cu during Unconventional Galvanic Replacement Reactions between HAuCl4 and Surface-limited Cu Nanocrystals. ACS Nano., 2011, 5, 6843-6854
  • Pease III, L.; Feldblyum, J.; Lacaerda, S.; Liu, Y.; Hight Walker, A.; Anumolu R.; Yim, P.; Clark, M.; Kang, H.; Hwang, J. Structural Analysis of Soft Multicomponent Nanoparticle Clusters. ACS Nano., 2010, 4, 6982
  • Liu, Y.*; Hight Walker, A. Monodisperse Gold-Copper Bimetallic Nanocubes: Facile One-Step Synthesis with Controllable Sizes and Compositions. Angew. Chem. Int. Ed. 2010, 49, 6781; Angew. Chem. 2010, 121, 6933
  • Liu, Y.*; Hight Walker, A. Facile One-Pot Synthesis of Metal-Semiconductor Hybrid Nanocrystals via Chemical Transformation: The Case of Cu-CuxS Heterodimers and Hetero-oligomers. Journal of Physical Chemistry C 2010, 114, 4264
  • Desikan, V.; Liu, Y.; Toscano, J. P.; Jenks, W. S. Photochemistry of N-Acetyl-, N-Trifluoroacetyl-, N- Mesyl-, and N-Tosyldibenzothiophene Sulfilimines. J. Org. Chem. 2008, 73, 4398
  • Desikan, V.; Liu, Y.; Toscano, J. P.; Jenks, W. S. Photochemistry of Sulfilimine-based Nitrene Precursors: Generation of Both Singlet and Triplet Benzoylnitrene. J. Org. Chem. 2007, 72, 6848
  • Wasylenko, W.; Kebede, N.; Sowalter, B.; Matsunaga, N.; Miceli, A.; Liu, Y.; Ryzhkov, L.; Hadad, C.; Toscano, J. Generation and Experimental Confirmation of the Triplet Ground State of Oxynitrenes. J. Am. Chem. Soc. 2004, 128, 13142
  • Cooper, T. M.; Blaudeau, J.; Rogers, J. E.; Mclean, D. G.; Liu, Y.; Toscano, J. P. The triplet state of a platinum acetylide chromophore examined by time-resolved infrared spectroscopy and density functional theory. Chemical Physics Letters 2004, 121, 239
  • Pritchina, E. A.; Gritsan, N. P.; Maltsev, A.; Bally, T.; Autrey, T.; Liu, Y.; Wang, Y.; Toscano, J. P. Matrix isolation, time-resolved IR, and computational study of the photochemistry of benzoyl azide. Physical Chemistry Chemical Physics 2003, 5, 1010
  • Xu, S.; Liu, Y.; Xie, J.; Sha, G.; Zhang, C. The Vibrational Level Difference of 3, 4, and 5 Vibrational Overtones and Conformations of the Hydroxyl Group of Isobutyl Alcohol. Journal of Physical Chemistry A 2001, 105, 6048
  • Xu, S.; Liu, Y.; Sha, G.; Zhang, C.; Xie, J. The O-H Stretching Vibrational Level Difference of 3, 4, and 5 Vibrational Overtones and Conformational Studies of 2-Butanol. Journal of Physical Chemistry A 2000, 104, 8671
  • Liu, Y; Xu, S.; Zhang, L.; Xu, Y.; Jiang, B.; Sha, G.; Zhang, C.; Xie, J. Study of O-H Stretching Vibrational Overtones and Molecular Conformations of n-Propanol by CRD Spectroscopy. Chinese Journal of Chemical Physics (Huaxue Wuli Xuebao) 2000, 13, 513

Issued Patents

  • US 8,641,798