Reviewed by Thomas Phung, Esq., trademark attorney · Updated October 2026

Short answer: An office action is a letter from a USPTO examining attorney explaining why your application cannot be approved yet. You generally have three months to respond, with one paid three-month extension. Many refusals can be overcome with the right argument or amendment. These guides explain why applications are refused and how to respond.

Understanding office actions

Common refusal issues

Fixing a lapsed application

More trademark guides

Questions about your own mark? Call (651) 222-3776 or book a free consultation.