Running a trademark search prior to filing your trademark application saves time, therefore saving money and protects your business from potentially serious disputes in the future. A trademark search provides valuable information about common law uses or existing registrations for the same or similar marks that may affect your application at the USPTO. The USPTO may refuse your application on the basis of a prior registered trademark, or a common law trademark user could oppose your application during the 30-day publication period. If the USPTO refuses registration of your mark for any reason, any filing fees and/or legal fees paid are non-refundable.