Whether the business concern is large or small protecting their inventions is a primary goal of any pharmaceutical firm. At Williams IP Law, we can help.To schedule a consultation with a patent attorney or to discuss registration of copyrights and trademarks, call 214-220-0444 or complete our online intake form. Stinson has a number of registered patent attorneys and patent agents who are licensed to practice before the U.S. Patent and Trademark Office. Our Dallas patent attorneys help clients globally obtain patent protection and defend it. Speak to a licensed patent attorney today. Robert S. Hill is a Dallas intellectual property attorney who focuses his practice on representing clients in complex patent litigation cases. Stinson has a number of registered patent attorneys and patent agents who are licensed to practice before the U.S. Patent and Trademark Office. Our Dallas patent attorneys specialize in the area of law protecting the property rights of inventors. What is the United States Patent and Trademark Office (USPTO)?.