What you actually want is "big guy pays" - if the loser has more than, say, two or three times the annual gross (before tax deductions or writeoffs) income of t

What you actually want is "big guy pays" - if the loser has more than, say, two or three times the annual gross (before tax deductions or writeoffs) income of the winner, they pay the winner's legal fees. "If the winner spent more on legal fees" might also work, although I'm worried about how that would interact with contingencies and retainers.