  We explore possible asymmetric dark matter models using CP violating
scatterings to generate an asymmetry. In particular, we introduce a new model,
based on DM fields coupling to the SM Higgs and lepton doublets, a neutrino
portal, and explore its UV completions. We study the CP violation and asymmetry
formation of this model, to demonstrate that it is capable of producing the
correct abundance of dark matter and the observed matter-antimatter asymmetry.
Crucial to achieving this is the introduction of interactions which violate CP
with a $T^{2}$ dependence.
