<p>"We have received your application and are reviewing your file to ensure we have all materials necessary to make a decision. Check back here for updates on your application status" ?</p>
<p>For me it was about 2 weeks if I recall correctly. If you are worried about it call the Admissions office and make sure they have everything they need from you, they are very helpful. Or, you should be able to check on what materials they have received (and the date they received them) in your student center via MyUW.</p>