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How long is the opposition period in the U.S., and what happens during it?

Founder & Trademark Attorney

The opposition period in the US is 30 days from the date of publication in the USPTO's Official Gazette. This window can be extended in 30-day increments upon request, up to a maximum of 180 days in total.

During the opposition period, previous trademark owners and other third parties have the right to oppose your mark’s registration by filing a notice of opposition with the TTAB (Trademark Trial and Appeal Board). If no opposition is filed against your application, then it proceeds to registration as usual. If an opposition is filed, both parties exchange evidence and arguments under TTAB procedural rules before a decision is issued.

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