very hopeful,
the copy of the I 140 that the attorney has, need to be certified by the attorney and can be used for CP processing. check out the forums on Immihelp.com on AC I 140. It can be used only in cases in which 485 has been filed. it can be converted to CP after filing I 824 and then 1) can go via NVC which will take a longer time or 2) after filing I 824 can use AC i140 and mail it along with DS 230 and other necessary documents similar to packet 3 to the Us Consulate for CP. based on this the uS consulate can give a CP interview date. make sure that your attorney knows about this very well. or else hire an experienced lawyer.hope this helps.