Object property law property law regulates the different classes of goods and classified into typical categories. In the continental tradition can be said that the fundamental distinction is between the movable and immovable property, where the latter have a special regulation because of greater economic importance. This special regulation is characterized by the fact that the acts and contracts that are designed housing is solemn. In addition, the property is subject to a registration system. Among the powers accorded to people about things, the right of property ownership and essentially regulates the possession, as the fuller powers (in the legal and factual respectively) that can have upon them. Arguably, the contradiction and interaction between ownership and possession pass through the whole legal system of things. This explains the attention it devotes to treat such matters as adverse possession, the claim filed and the possessory actions.In this sense, the right things great attention to regulating the modes of acquiring ownership, that is, tradition, prescription, occupation and accession. Although the succession upon death is a way to acquire things, as entirely independent legal discipline. Also regulates other property rights, limited or restrictive domain, are collateral (a pledge and mortgage) or enjoyment (usufruct, use or occupancy, easement). Finally, within the right things are also actions that protect or safeguard the exercise of both rights and real rights of possession.