Dreitler True firm is rated Tier 1 in trademark and copyright law by U.S. News and Best Lawyers. The firm has successfully represented both small and large companies in intellectual property litigation, obtaining dismissals and injunctions on behalf of clients such as Ohio State University, Nationwide Insurance, Wendy's, and Target. Joe Dreitler has over 30 years of experience in trademark, copyright, and unfair competition law, and has represented clients in industries as diverse as apparel, food and beverage, cable television, and technology. He is recognized as one of the leading trademark experts in the United States.