Hai Han, Ph.D.



Hai Han focuses her practice on U.S. and foreign chemical and pharmaceutical patent matters with special emphasis on small molecules.


University of Washington School of Law
J.D. 2003

Brown University
Organic and Physical Organic Chemistry
Ph.D. 1997

Peking University (China)
B.S. 1992

Honors and Awards

  • Selected to Washington Rising Stars®, 2010-2012


Hai represents life science start-ups, clinical-stage companies, academic institutions and international corporations in IP matters.

Hai’s practice is focused on managing and growing clients’ global patent portfolios, particularly for life science start-ups. She has extensive experience in drafting and prosecuting U.S. and foreign patent applications in the areas of pharmaceuticals, polymer science, nanotechnology, cleantech, medical devices, and biotechnology, with primary focus on chemical-related inventions that involve small molecules and pharmaceutical formulations.

Hai works closely with clients’ management teams to devise IP strategies and ensure that they align with and bolster the clients’ business goals. In addition to hands-on portfolio management, she advises clients on all matters related to IP, including life cycle management, IP budgeting, and due diligence. She has provided opinions on patentability, freedom to operate, and invalidity. She has negotiated and drafted license, joint venture, co-development, and material transfer agreements.

In the area of post-grant proceedings, she has experience representing both the patent owners and petitioners.


Hai is a member of the Washington State Patent Law Association and is registered to practice before the U.S. Patent and Trademark Office. She is admitted to the Washington State Bar (2003).

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