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What is the first-to-file trademark rule?

Written by Jan Buza

Co-founder of Trama

The first-to-file rule means that the party that files a trademark application first holds priority over anyone who files later, regardless of who first used the mark in commerce. In these jurisdictions, it is the filing date; not the date of first commercial use; that determines who has the right to the mark.

The practical implication is straightforward: the earlier you file, the earlier your priority date. Any similar mark filed after yours is subject to your prior rights. Waiting to file creates a risk that a third party files first and legitimately claims priority over you in that market.

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