Before you file the application

Find out who else already owns your name.

Describe your business, tell us the name and class you want to register, and this screens the federal trademark register for identical marks, sound-alikes, plurals, and common foreign-language equivalents — plus links to check each state's own registry.

Check state trademark registers directly

There's no single database covering all 50 states, and most states only offer a manual search form rather than an API — so instead of faking automated results, here are direct links to run the check yourself in any state that matters for your business.