Stephen joined Winthrop & Weinstine, P.A., as a shareholder in 2003 with over a decade of significant experience in the intellectual property arena. He heads the Intellectual Property and Trademark and Brand Management practice groups, and his practice emphasizes trademark law, related unfair competition law and copyright law. Stephen counsels clients on trademark usage and clearance, branding strategies, domestic and worldwide portfolio management, litigation and enforcement, Internet domain name disputes, licensing and prosecution. He also handles trademark litigation matters in federal district court and in proceedings before the United States Patent & Trademark Office. In addition, Stephen manages both large and small U.S. and international trademark portfolios for a wide variety of companies. Prior to his experience in law firms, Stephen was the judicial law clerk to Judge Wilson Cowen, Senior Circuit Judge for the United States Court of Appeals for the Federal Circuit.