not really, it will depend on your retainer aggrement to get a refund but you are doomed with him if you already paid.
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Application filled out by - Myself (feeling like a bad ass lawyer, haha)

App Sent: 8/15/2012 USCIS Dallas Lockbox USPS overnighted that baby fast! Received: 8/16
I-797c received on 8/27 Biometric appointment on 9/17 (done on 9/13)
APPROVED OCT 14