The primary mission of the Law Library is to support the research, publication, educational and service endeavors of the faculty, student and staff of the William S. Richardson School of Law, University of Hawai'i. The Law Library pursues this mission by acquiring, organizing, making accessible, preserving, and disseminating legal and law related information in all available formats, by providing the best possible service, support and instructional programs, and by creating a physical environment conducive to user needs.

In addition to its primary mission, the Law Library serves as a key information resource center for the University of Hawai'i at Manoa community, the statewide University of Hawai'i system, other libraries throughout the state and region, and to the bench, bar and citizenry of the State of Hawai'i.