The document is a partition agreement between two parties to terminate their community ownership of a parcel of land and divide it between them. All Illinois Courts must accept these forms.There are many different ways to "win" a partition action suit. Learn more about how to best position yourself for winning a partition action here. If you fill out a form on a webpage, you will lose your progress. At Underwood Law Firm, our attorneys are more than familiar with Marvin agreements and their relationship with property rights. Next, a partition complaint must name all parties with an interest in the property that are known to plaintiff.