Xencor, Inc. announced it has entered into a technology license agreement in which Gilead Sciences, Inc., will access Xencor’s Xtend™ extended half-life and Cytotoxic XmAb® Fc technologies for developing and commercializing GS-9722, Gilead’s first-in-class effector-enhanced broadly neutralizing anti-HIV antibody, which is currently in Phase 1 clinical development. Under the terms of the agreement, Xencor has granted Gilead an exclusive license for GS-9722 and up to three additional anti-HIV antibodies. Xencor retains the right to grant licenses for other antibodies directed to the target. Gilead will be solely responsible for the activities and costs related to research, development, regulatory and commercial activities. Xencor will receive an upfront payment and is eligible to receive milestones and royalties for the successful development and commercialization of these products.