Membership in Patent Cooperation Treaty

African countries continue to join the PCT. The following 48 countries are PCT contracting States: Algeria, Angola, Benin, Botswana, Burkina Faso, Cabo Verde (as of July 6, 2022), Cameroon, Central African Republic, Chad, Comoros, Congo, Djibouti, Egypt, Equatorial Guinea, Eswatini (formerly Swaziland), Gabon, Gambia, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Kenya, Lesotho, Liberia, Libya, Madagascar, Malawi, Mali, Mauritania, Mauritius (as of March 15, 2023), Morocco, Mozambique, Namibia, Niger, Nigeria, Rwanda, São Tomé e Príncipe Islands, Senegal, Seychelles, Sierra Leone, South Africa, Sudan, Tanzania, Togo, Tunisia, Uganda, Zambia, and Zimbabwe.