Public property law is the branch of Public Law, within Financial Law, that studies the management of public property aimed at obtaining income that serves to cover part of public spending, in areas to achieve the common good.

The proper object of public property law is the Patrimonial Resource, that is, the structure and management of public property aimed at obtaining income. The State, as owner of assets, obtains income through its transfer to third parties.

This Heritage Resource refers to the assets and rights to which individuals have access as members of some community, such as regional and/or national Heritage (Industrial Heritage, National Heritage, etc.), Cultural Heritage (Artistic Heritage, Historical Heritage, etc.), and even the so-called World Heritage (Intangible Heritage, Natural Heritage, etc.).

Based on this, public property law is configured around three thematic cores:

Within the scope of public ownership two large categories of goods are included:

Along with them, there are specific public property regimes, such as: public property, mining property, forest assets and national assets.