I'd require your lawyer to pay these sanctions, since this was entirely her fault, which she should have told the judge when opposing the motion. Does your fee agreement address who's responsible for sanctions?
You shouldn't have to file for bankrupcty protection over this, but if this isn't your only debt and you don't think you can pay off your existing debts within 5 years, then you should consult a bankrupcty lawyer.
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I agree with Attorney Koslyn's response and response to your comment. The sanctions as well as any monetary obligation you might owe if you lost the case going to trial (unless the lawsuit is based upon fraud or an intentional tort) would be dischargable in bankruptcy.
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