Sansun Yeh, Ph.D. Photo

Sansun Yeh, Ph.D.



Sansun brings extensive experience in the life sciences to her work representing clients in regard to the full spectrum of foreign and U.S. patent prosecution. Her track record in freedom to operate and patentability matters is informed by her technical background in biochemistry and molecular biology, encompassing:

  • Biological research tools:
    • genome editing tools, such as CRISPRs, TALENs, and ZNF-nucleases
    • reporter genes, biosensors, and assays, such as luciferase-based systems
  • Antibodies and Immunoassays
  • Diagnostic and treatment methods related to disease and disorders, including:
    • cancer
    • Alzheimer’s
    • cardiovascular
    • depression
    • multiple sclerosis and other central nervous system disorders
    • schizophrenia
    • bacterial, viral, and fungal infections (sepsis, HIV, HCV, and HPV)
  • Drug discovery and pharmaceuticals, including small molecules, biologics, drug delivery systems, and vaccine development
  • Enzymatic assays
  • Protein Engineering
  • Plant and agricultural products, including:
    • Transgenic organisms, such as genetically engineered microorganisms and plants
    • plant hybrids and varieties
  • Bioinformatics
  • Biomedical devices and biological imaging

Sansun earned a Ph.D. from the University of Wisconsin in 2003. Prior to practicing law, she worked in patent research for a leading biotechnology company.

Professional Activities

  • Member, American Bar Association
  • Member, American Intellectual Property Law Association
  • Member, American Association for the Advancement of Science



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