Exhibit 23.1

            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM


We consent to the reference to our firm under the caption "Experts" and to the
use of our report dated January 18, 2005, except Note 20, as to which the date
is February 8, 2005, in Amendment No. 4 to the Registration Statement (Form F-1
No. 333-122234) and related Prospectus of Aspreva Pharmaceuticals Corporation
for the registration of its common shares.





Vancouver, Canada                                   /s/ ERNST & YOUNG LLP
February 28, 2005                                      Chartered Accountants