You can file an application to register your trademark or service mark with an intenttouse (ITU) filing basis. How do I submit an application to register a trademark or service mark in Texas?Can I reserve a mark? This page provides information on the types of patents and types of patent applications, and the examination process. For general assistance in completing patent forms, please contact the USPTO at 1-800-786-9199 and select option 2. top. Trademark Overview and Resources. In order for an applicant to file a trademark application, they need to indicate the "basis" under which they are filing. A priority date patent establishes the priority date as the earliest date an application may claim precedence. Patent applications. • A low-cost way to establish a US effective filing date (priority date) in a non-provisional patent application with few formalities.