Introduction Do you have an invention you want patented? Are you thinking of using a new trademark, logo or slogan for your product or service? Not sure whether you need copyright protection for a work you have created? Before you venture any further, click here to find out if you need to consult an intellectual property lawyer. About Grady K. Bergen Mr. Bergen is a registered patent and trademark attorney located in Dallas, Texas. He specializes in all areas of intellectual property law. For more information about Mr. Bergen and his practice click here.