If a final refusal is issued in a trademark application, it means that the United States Patent and Trademark Office (USPTO) has determined that the trademark is not eligible for registration. A final refusal may be issued for a variety of reasons, including if the trademark is confusingly similar to an existing trademark, if the trademark is deceptive or deceptively misdescriptive, or if the trademark is not distinctive.

If a final refusal is issued, the applicant has the option to appeal the refusal to the Trademark Trial and Appeal Board (TTAB). The TTAB is an administrative body within the USPTO that hears and decides disputes relating to trademarks.

In order to appeal a final refusal to the TTAB, the applicant must file a Notice of Appeal and pay the required fees. The Notice of Appeal must include a statement of the grounds for the appeal and any arguments or evidence in support of the appeal.

If the appeal is successful, the trademark will be registered. If the appeal is unsuccessful, the trademark will not be registered and the applicant will have the option to abandon the application or to seek other remedies, such as filing a new application or seeking legal action.

It is a good idea to consult with a trademark attorney or other professional to assess the options available in the event of a final refusal and to determine the most appropriate course of action to take.