Provided are: a method for fabricating a recessed-pattern mold with high precision and high productivity； and a method for producing a patterned sheet. This mold fabrication method comprises: a step for preparing an electroformed mold having a raised pattern, and first and second molds for forming a cavity； a step for anchoring the electroformed mold, except for the edge part thereof, to the first mold； a mold clamping step for clamping the electroformed mold, except for the edge and the raised pattern region thereof, between the first mold and the second mold so as to form a cavity； and an injection step for filling the cavity with resin.
