Partition is the legal term referring to division of real property interests among co-owners (tenants in common). Real estate partition is an involved and expensive process.This research guide includes information and resources on partition. When there are multiple claimants or joint owners to real or personal property,. A partition agreement divides, or partitions, a married couple's community estate into two separate estates. Petitioning to partition is a legal right and the process starts with filing a petition with the Clerk of Court. Petition rules vary from state to state. A petition to partition usually results in a physical split of the property or the property is sold and the proceeds split among the co tenants. She won't even discuss me buying her out or anything actually. I filled out the form titled "Complaint for Partition of Real Property".