Accession to the Hague Act (1925) included the Azores and Madeira. (see La Propriété Industrielle 1931, No.4, p.47)
Accession to the London Act (1934) included the Azores and Madeira. (see La Propriété Industrielle 1949, No.10, p.153)
Ratification of the Washington Act (1911) included the Azores and Madeira. (see La Propriété Industrielle 1914, No.1, p.1)
Ratification of the Madrid Agreement (Indications of Source) (1891) included the Azores and Madeira. (see La Propriété Industrielle 1894, No.1, p.1)