WordNet
contingency fee
n. a fee that is payable only if the outcome is successful (as for an attorney's services)
Usage examples of "contingency fee".
We were on a contingency fee, as usual, which made it all the more important.
And I assume that they thought their connections would patch up the weak spots-I also assume that they're in for a son-of-a-bitching big contingency fee.
When he got to the part about the contingency fee, he saw Shad stiffen.
The medical specialists had agreed to come along on the cruise on a contingency fee basis.