Duality Biologics ("DualityBio") announced that, BeiGene. Ltd. has exercised its exclusive option for the B7H4 antibody-drug conjugate (ADC) DB1312/BG-C9074 from DualityBio, securing global development, manufacturing, and commercialization rights for the investigational product. In 2024, DualityBio received an option exercise fee and a milestone payment based on the Phase I dose-escalation advancement.

In July 2023, DualityBio announced an agreement for BeiGene to acquire its exclusive option for a global clinical and commercial license to an investigational, preclinical ADC therapy for patients with select solid tumors. Under the terms of the agreement, DualityBio received an upfront payment, and is eligible for a payment contingent upon BeiGene exercising its option and additional payments based upon the achievement of certain development, regulatory, and commercial milestones, totaling up to $1.3 billion, in addition to tiered royalties.