PRESS RELEASE
22 October 2025

Ballard Spahr IP Attorneys Advise DRI Healthcare On Royalty Deal For Thyroid Eye Disease Treatment

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Ballard Spahr LLP

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Ballard Spahr LLP—an Am Law 100 law firm with more than 750 lawyers in 18 U.S. offices—serves clients across industries in litigation, transactions, and regulatory compliance. A strategic legal partner to clients, Ballard goes beyond to deliver actionable, forward-thinking counsel and advocacy powered by deep industry experience and an understanding of each client’s specific business goals. Our culture is defined by an entrepreneurial spirit, collaborative environment, and top-down focus on service, efficiency, and results.
Attorneys from Ballard Spahr’s national Intellectual Property Departmentadvised DRI Healthcare Trust on patent and regulatory matters in its acquisition of a synthetic royalty interest in the U.S.
United States

Attorneys from Ballard Spahr’s national Intellectual Property Departmentadvised DRI Healthcare Trust on patent and regulatory matters in its acquisition of a synthetic royalty interest in the U.S. sales of the thyroid eye disease (TED) treatments veligrotug and VRDN-003.

DRI Healthcare Trust (TSX: DHT.UN) (TSX: DHT.U) acquired the royalty interest of veligrotug (formerly known as VRDN-001) and VRDN-003 from Viridian Therapeutics, Inc. (Nasdaq: VRDN) for an aggregate purchase price of up to $300 million, including a $55 million upfront payment and up to $115 million in near-term clinical and regulatory milestone payments, DRI Healthcare Trust said in its October 20 announcement.

Veligrotug is a differentiated monoclonal antibody targeting insulin-like growth factor-1 receptor (IGF-1R), a clinically and commercially validated target for the treatment of TED. Viridian’s second product, VRDN-003, is an extended half-life monoclonal antibody designed for administration as convenient, low-volume, subcutaneous auto-injector injections.

The Ballard Spahr Intellectual Property Department team that advised DRI Healthcare on the transaction comprises Patents Group attorneys Margaret Bolce Brivanlou, Ph.D., Kenneth H. Sonnenfeld, Ph.D., Ron Vogel, and Alan White, Ph.D., and patent agent Michele A. Kliem, Ph.D.

Ballard Spahr intellectual property attorneys represent clients throughout the world on developing, commercializing, and monetizing intellectual property rights and protecting groundbreaking inventions across industries, from life sciences, medical, and software to manufacturing, gaming, food and beverage, consumer products, and arts and entertainment.

Contributor

Ballard Spahr LLP—an Am Law 100 law firm with more than 750 lawyers in 18 U.S. offices—serves clients across industries in litigation, transactions, and regulatory compliance. A strategic legal partner to clients, Ballard goes beyond to deliver actionable, forward-thinking counsel and advocacy powered by deep industry experience and an understanding of each client’s specific business goals. Our culture is defined by an entrepreneurial spirit, collaborative environment, and top-down focus on service, efficiency, and results.

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