The address listed should generally be the current physical address associated with the trademark owner. Please note that the USPTO requires an actual physical location for the owner’s domicile address. If you include a virtual office address or the address of a commercial registered agent, or a commercial mailbox facility, you will receive an Office Action later in the process which may result in a delay in registration and additional fees.

A trademark application is a legal filing. Important information includes the correct owner, the mark itself, the goods or services, the filing basis, contact information, and—when required—evidence showing use of the mark in commerce. Errors in ownership, filing basis, or the identification of goods and services can create delays and, in some situations, may not be fully correctable after filing.

The filing basis explains why the applicant is entitled to apply. Two common U.S. bases are 'use in commerce,' for marks already being used in qualifying commerce, and 'intent to use,' for applicants who have a bona fide—meaning genuine and good-faith—intention to use the mark in commerce in the future.

The United States Patent and Trademark Office (USPTO) is the federal agency responsible for examining U.S. trademark applications, issuing federal registrations, and maintaining official trademark records.

An Office Action is a formal written notice from the USPTO explaining a legal refusal, procedural requirement, or other issue that must be addressed before the application can continue.