Practice areas


  • University of Virginia School of Law (J.D., 2013) editorial board member, Virginia Law Review
  • University of California, Berkeley (B.A., Molecular and Cell Biology, 2009) with Honors

Elizabeth Tuan is a litigation associate in the Los Angeles office of Irell & Manella LLP. Ms. Tuan’s practice focuses primarily on patent litigation in a wide range of industries, including biotechnology and medical devices. Recently, she represented a cancer immunotherapy company, the exclusive licensee of a patent claiming a novel cancer treatment, in pursuing infringement of the patent. The litigation ended in a favorable settlement.

Ms. Tuan also maintains an active pro bono practice. Most recently, she successfully argued on behalf of pro bono clients in front of the California Court of Appeal, which affirmed the decision of the trial court denying a petition to compel arbitration. Ms. Tuan is also a member of the firm’s Hiring and Diversity Committees.

Ms. Tuan earned her J.D. from the University of Virginia School of Law, where she was a member of the Virginia Law Review editorial board, a Teaching Assistant to Contracts Professor Jason S. Johnston and participated in the annual William Minor Lile Moot Court Competition. While in law school, Ms. Tuan served as a legal extern to the Honorable Deborah J. Saltzman of the United States Bankruptcy Court for the Central District of California. She earned her B.A. in Molecular and Cell Biology, with Honors, from the University of California, Berkeley. 

Ms. Tuan is conversant in Mandarin Chinese.

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Representative Matters

  • Verinata Health, Inc. v. Ariosa Diagnostics (N.D. Cal.)
    Currently representing Ariosa Diagnostics in a patent infringement suit filed by Verinata relating to Ariosa’s innovative non-invasive test for fetal chromosomal abnormalities.
  • Koninklijke Philips N.V. et. al. v. ZOLL Lifecor Corp (W.D. Pa.)
    Currently representing ZOLL Lifecor Corp. in patent litigation relating to external defibrillator technology.
  • RainDance Technologies et al. v. 10X Genomics (D. Del.)
    Currently representing 10X Genomics in a patent litigation suit relating to methods of preparing DNA samples for sequencing through the use of microfluidic technology.
  • Juno Therapeutics Inc. et al. v. Novartis Pharmaceuticals Corp. et al. (E. D. Pa.)
    Represented Juno Therapeutics in patent and contract dispute surrounding chimeric antigen receptor T-cell therapies for the treatment of B cell cancers. The case settled favorably after several years of litigation, with Juno receiving upfront and milestone payments from Novartis, as well as ongoing royalties.
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Bar Admissions

  • 2013, California