Incontestability

A status a registration can reach after five years of continuous use, which limits the grounds on which it can be challenged.

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Trademark Class · Specimen · Filing Basis · Statement of Use · Priority Date · Descriptive Mark · Generic Term · Suggestive Mark · Arbitrary Mark · Principal Register · Supplemental Register · Opposition · Cancellation · Service Mark · Trade Dress · Madrid Protocol · TEAS · Trademark · USPTO · Office Action · Likelihood of Confusion · Intent to Use · Common-Law Trademark