May an applicant file an appointment of representative for their international application through the USPTO? faq 4 years ago No. An applicant must file the appointment directly with the IB on Form MM12. Related posts: May the applicant or holder appoint an attorney or representative? If an international application is denied certification by the USPTO, may an applicant resubmit or reuse the USPTO Reference Number assigned to the denied international application when a new international application is filed? May an international application be amended through the USPTO? May an applicant limit the goods and/or services in an international registration?