Filing a notice of lis pendens against a property is a powerful tool to prevent the disposition of property in dispute during the pendency of litigation. A lis pendens is a common tool used in Florida to put third parties on notice of a pending lawsuit against real estate.How to File a Notice of Lis Pendens. A "lis pendens" is a written notice that a lawsuit has been filed which affects title to real property or some interest in that real property. Next, provide a description of the real estate involved in the suit. A Florida Lis Pendens Notice is a legal document that alerts potential buyers and creditors of pending litigation on a property. It is important to us to roll this program out in the smoothest way possible for our participants.