Kathi Vidal is a partner at Winston and Strawn LLP and one of the nation’s leading IP litigators, with deep experience in patent, trade secret, trademark, copyright, and anti‑counterfeiting matters across district courts, the ITC, and the Federal Circuit. She previously served as under secretary of commerce for IP and director of the US Patent and Trademark Office, where she played a key role in shaping US and global innovation policy, including guidance at the intersection of AI and IP. Before her government service, Kathi led high‑stakes, precedent‑setting IP disputes for technology companies and served in firm leadership roles, including as managing partner of Winston’s Silicon Valley office. Recognised for her contributions to IP and innovation policy, Kathi regularly speaks on emerging technology, AI, and patent law developments affecting global markets.