A lis pendens is a filing only providing notice that a lawsuit involving a dispute over ownership to real estate is being litigated. A list pendens is a legal document filed in Pennsylvania to notify the public that a property is involved in a lawsuit.A lis pendens is a document that is filed in the public records that alerts the world that someone is asserting claim over the property. Next, provide a description of the real estate involved in the suit. Housing and Community Studies (CHCS) in. A lis pendens is a filing only providing notice that a lawsuit involving a dispute over ownership to real estate is being litigated.