The ITC has the power to act quickly, so some movement on that front could come soon. As far as the courts go, considering the number of attorneys that will be involved, and the propensity of the legal system to move as fast as molasses, it could be some time before anything gets resolved legally. Obviously, a ban on imports can be damaging to Apple and using both the courts and the ITC, Nokia is trying to squeeze Apple and force a settlement. For those amateur legal eagles, check out the legal paper work at the source links.
source: ITCComplaint, DistrictCourtFiling via Engadget