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Definition[]

U.S. trademark law[]

An incontestable trademark registration is conclusive evidence of the validity of the registered mark, of the trademark registration, of the owner's ownership of the mark and of the owner's exclusive right to use the mark with the goods/services. The claim of incontestability is subject to certain limited exceptions set forth in 15 U.S.C. §§1065 and 1115(b).

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