The Government created the OMPA at the end of 1995 to manage the work of the Trademarks Registry, which started on 5 December 1996.

In 1998, the Government created the State Signs Service, attached to the OMPA, to ensure the proper public use of these symbols.

Subsequently, in 2000, the Government entrusted the management of the ".ad" domain names to the State Signs Service, attached to the OMPA.