Pennsylvania informal Caveat is a document filed in the county's recorder of deeds office that allows a person to protect their interest in real estate located in the state of Pennsylvania. This document serves as a warning to potential buyers of real estate that the individual filing the document has an interest in the property. It is also used when a person wishes to object to the transfer of title to a piece of real estate. The two main types of Pennsylvania informal Caveat are the Notice of Interest and the Notice of Objection. The Notice of Interest is filed when the individual filing the document has an existing interest in the real estate, such as a mortgage or an easement. The Notice of Objection is filed to oppose the transfer of title to the real estate, usually when the existing interest is in jeopardy or if the transfer of title is not in compliance with the law. The Pennsylvania informal Caveat is an important document for anyone with an interest in real estate in the state.