Washington, D.C.
Vann litigates in forums throughout the country. He has won several inter partes review proceedings before the Patent Trial and Appeal Board. He has secured favorable jury verdicts in Federal and state courts in Delaware, Florida, Maryland, and Texas. Multiple wins on behalf of his clients at the U.S. International Trade Commission in Section 337 investigations have earned recognition with “Disputes Deal of the Year” awards. And he has crafted winning strategies and briefs in precedent-setting Federal Circuit appeals.
A chemical engineer by training, Vann is a member of the Patent Bar. His representations involve a broad range of technology fields, including semiconductors, artificial intelligence, consumer electronics, 3D printing, automotive technologies, digital imaging, cryptocurrency, and batteries. His clients are based worldwide, including a significant portion from Japan and China. Vann frequently travels to Asia to speak on key developments in intellectual property law.
Patent infringement litigation is central to Vann’s practice, but he also has handled breach of contract, trade secret misappropriation, antitrust, tortious interference, false advertising, civil theft, and bankruptcy matters. Many of his matters involve a complex mix of claims and counterclaims across legal disciplines, where he employs his strategic judgment to navigate competing risks.
While his practice focuses on litigation and dispute resolution, Vann also advices clients on patent licensing, portfolio development, and intellectual property due diligence. Vann co-founded Orrick’s cross-practice 3D printing initiative.
Vann has served the Firm in key leadership roles. In 2022-2023, Vann served as the Chief Practice Officer for the firm's IP & Litigation Business Units, which comprise nearly 400 attorneys globally. His responsibilities included oversight of the units' financial performance, business planning and execution, and lawyer recruiting. Vann also previously served as the firm’s U.S. Law School Hiring Partner, overseeing entry-level hiring nationwide.