Gibson Dunn Represented XOMA Royalty in the Acquisition of ESSA Pharma by XenoTherapeutics

Firm News  |  July 23, 2025

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Gibson Dunn represented XOMA Royalty Corporation in connection with the acquisition of ESSA Pharma Inc. by XenoTherapeutics, Inc.

XOMA Royalty is acting as structuring agent and guarantor and will provide financing to XenoTherapeutics in connection with the transaction.

Our team was led by partners Ryan Murr and Branden Berns, and included associates Evan Shepherd, Advait Ramanan, Hunter Michielson, and Risa Nakagawa. Partner Pamela Lawrence Endreny and associate Bree Gong advised on tax, and partner Sean Feller advised on executive benefits.