Yelee Y. Kim

Yelee specializes in the biotechnology, chemical, and pharmaceutical arts. Her practice consists primarily of patent litigation, patent prosecution, and opinion work.
Arent Fox Attorney

Client Work

Yelee’s patent prosecution experience includes drafting and prosecuting applications in the fields of chemicals, pharmaceuticals, biotechnology, software, and the mechanical arts. She regularly counsels companies in all aspects of intellectual property, such as patent procurement strategy, patent portfolio management, and trade secrets.

Yelee works closely with domestic and international companies, from startups to large corporations, especially in the areas of medical devices, pharmaceuticals, nutraceuticals and dietary supplements, cosmetics, software, and sportswear. She also has significant experience in the preparation of patent validity, freedom-to-operate, and non-infringement opinions; due-diligence analysis for patent licensing and corporate transactions; and various other patent counseling matters. Yelee has litigation experience in the areas of chemicals, computer science, and medical devices.

Previous Work

While attending law school, Yelee worked as a clinical pharmacist, utilizing her extensive knowledge in the areas of drug discovery, pharmaceutical chemistry, biotechnology, and the therapeutic application of pharmaceuticals. Prior to joining Arent Fox, Yelee was an associate at an intellectual property boutique in New York, where she focused on patent counseling and due diligence analysis in the biotechnology and pharmaceutical arts.

Publications and Presentations

Recent publications:

  • Co-author, “Chemical & Life Sciences Year in Review”; 2016
  • Co-author, “The Collection and Analysis of 2,3-Dimethyl-2,3-Dinitrobutane Vapor,” American Industrial Hygiene Association Journal; 1998

Recent presentations:

  • “Goodbye Seagate, Hello Halo: Effects of the Evolving Willfulness Standard on Life Sciences Patent Filings,” 15th ACI Advanced Summit on Life Sciences Patents; February 2017
  • “Practical Strategies for Dealing with the Ever-Expanding Interpretation of Obviousness-Type Double Patenting,” ACI Advanced Summit on Life Sciences Patents; January 2015
  • “Protecting Your Intellectual Property: Trade Secrets and Patents,” Personal Care Products Council, Legal and Regulatory Meeting; May 2012




  • Practices
  • Bar & Court Admissions
    • District of Columbia Bar
    • New York Bar
    • US Patent and Trademark Office Bar
  • Education
    University of Maryland School of Law
    University of Maryland
    high honors