An undivided possessory interest in property is a tenancy in common. . . . The UPHPA seeks to protect owners who have recently inherited real property from an estate.A partition action is a civil lawsuit between property coowners who disagree on how to manage their property or whether to sell it. What is Partition (Partition Actions Explained)?. "Partition" is the legal term referring to the division of real property interests among co-owners. Very generally, the partition of real property is the division of previously undivided interests among joint owners or cotenants1. A partition action enables you to force the sale of property when coowners are refusing to sell. A partition action is a type of lawsuit pertaining to joint owners of real property. One of the largestever mass migrations, the Partition left as many as two million people dead and up to 100,000 women kidnapped or raped. In this webinar, we delve into the intricate world of Partition Actions.