An imprint lithography apparatus is disclosed that has a substrate table
configured to hold a substrate, a template holder configured to hold an
imprint template, the imprint template or the template holder having a
template alignment mark configured to be imprinted onto the substrate
table or onto a substrate to form an imprinted alignment mark, the
imprint template having a functional pattern, and the template alignment
mark and the functional pattern having a known spatial relationship, and
an alignment sensor configured to determine the location of the imprinted
alignment mark.