Do you really believe that, Sandra? There have been totally fake, made-up cases so the participants could get on tv, get a free trip to LA with hotel accommodation, food and expenses, get the free money awarded by the show as well as the appearance fee - it's a win, win for everyone.
If anything it is arbitration, not a law court. The show employed many researchers to plough through court records looking for suitable cases and contact the parties to see if they wanted to appear on the show.
It is a cheap programme, made purely for entertainment.