The key to modelling multi-party cases is to recognise that in legal terms, they represent a series of separate cases heard at the same time. The number of cases is (number of defendants *2)-1. For case provisioning typically only I combined model is necessary, but potentially the range of models that might be required or could be made is number of defendants +1.

FRCP 68 offers in US Cases
In this article Brian W Jones, President Merrick Bank, discusses how FRCP 68 could be used during litigation. Quick research with Open AI suggested there




