Aaron heads the firm's trademark and advertising practice, focusing on the areas of trademark, advertising, unfair competition, copyright, retail, rights of publicity, social media, and consumer law.

John Slafsky retired as partner at Wilson Sonsini in 2025.

Alyssa Worsham is a member of the firm’s trademark and advertising team, which has been recognized in Chambers USA and Chambers Global, as well as World Trademark Review’s WTR 1000. Alyssa focuses her practice on global strategic advice, litigation strategy, and transactional guidance for clients’ trademarks, branding, and advertising in marketplaces where commercial and geographic lines are increasingly blurring. She helps clients assess the risk in selecting new business and product names, and works with them to build, exploit, and protect these names creatively and strategically.