Federal Registration Requirements. Apply online (TEAS).File a trademark application and other documents online through TEAS. Filing a Section 8 Declaration of Use on your own is very possible. Trademark owners complete this filing every day. There is no need to re-file the micro entity certification form every time a payment is made. Use the amendment online service only if you have already filed a trademark or certification mark application and have a CIPO filing receipt. We're going to talk about how to file your own trademark application with the united states patent and trademark office. Trademark filers can complete the application online or through the mail. Are you thinking of filing your trademark application yourself?