Filing a trade name registers a business name for public record. Fun With Patents and Trademarks​​ Resources for Kids and Educators from the USPTO, including videos, downloads, coloring pages, collectibles, and more.Trademark lawyer in Phoenix. Tom Galvani is a leading patent and trademark attorney in Phoenix, Arizona providing intellectual property law services to clients locally and nationally. Fill Out The Trademark Application. Our Phoenix attorneys can help businesses with intellectual property navigate and understand their legal rights and responsibilities. At Law Offices of Donald W. Hudspeth PC in Phoenix, we provide cogent, practical advice for establishing trademarks in the United States and internationally. So, if you've been selling an invention for a period of time without having applied for a patent, your application will likely be denied. Cohn Legal, PLLC specializes in intellectual property protection and corporate law for startups, entrepreneurs, and small business owners. A trademark is one of many tools you can use to protect your intellectual property.