Transcription of List of PCT Contracting States (1 December 2021)
1 PCT Contracting States and Two-letter Codes (154 on 1 January 2022)1 Extension of European patent May only be designated for a regional patent (the national route via the PCT has been closed).3 Italy may be designated for a national patent only in international applications fi led on or after 1 July Validation of European patent Only extension of European patent possible. Applicants wishing to obtain patent protection in Montenegro should enter the regional phase before the European Patent Offi ce (EPO) and seek the extension of the European patent application and the granted European patent to Montenegro as there is no national phase before the Intellectual Property Offi ce of a State can be designated for a regional patent, the two-letter code for the regional patent concerned is indicated in pa rentheses (AP = ARIPO patent, EA = Eurasian patent, EP = European patent, OA = OAPI patent).
2 Important: This list includes all States that have adhered to the PCT by the date shown in the heading. Any State indicated in bold italics has adhered to the PCT but will only become bound by the PCT on the date shown in parentheses; it will not be considered to have been designated in international applications fi led before that date. Note that even though the fi ling of a request constitutes under PCT Rule (a) the designation of all Contracting States bound by the PCT on the international filing date, for the grant of every kind of protection available and, where applicable, for the grant of both regional and national patents, applicants should always use the latest version of the e-filing software used to generate the request form, or the latest versions of the request form (PCT/RO/101) and demand form (PCT/IPEA/401) (the latest versions are dated 1 January 2022).
3 The request and demand forms can be printed from the website, in editable PDF format, at: , or obtained from receiving Offi ces or the International Bureau, or, in the case of the demand form, also from International Preliminary Examining Authorities. Where possible, applicants are encouraged to use ePCT-Filing in order to benefi t from the most up-to-date PCT United Arab EmiratesAG Antigua and BarbudaAL Albania (EP)AM Armenia (EA)AO AngolaAT Austria (EP)AU AustraliaAZ Azerbaijan (EA) BA Bosnia and Herzegovina1BB BarbadosBE Belgium (EP)2BF Burkina Faso (OA)2BG Bulgaria (EP)BH BahrainBJ Benin (OA)2BN Brunei DarussalamBR BrazilBW Botswana (AP)BY Belarus (EA)BZ BelizeCA CanadaCF Central African Republic (OA)2CG Congo (OA)2CH Switzerland (EP)CI C te d Ivoire (OA)2CL Chile CM Cameroon (OA)2CN ChinaCO ColombiaCR Costa RicaCU Cuba CY Cyprus (EP)2CZ Czechia (EP)DE Germany (EP)DJ Djibouti DK Denmark (EP)
4 DM DominicaDO Dominican RepublicDZ AlgeriaEC EcuadorEE Estonia (EP) EG EgyptES Spain (EP)FI Finland (EP)FR France (EP)2GA Gabon (OA)2GB United Kingdom (EP)GD GrenadaGE GeorgiaGH Ghana (AP) GM Gambia (AP)GN Guinea (OA)2GQ Equatorial Guinea (OA)2GR Greece (EP)2GT GuatemalaGW Guinea-Bissau (OA)2HN HondurasHR Croatia (EP)HU Hungary (EP)ID IndonesiaIE Ireland (EP)2IL Israel IN IndiaIR Iran (Islamic Republic of)IS Iceland (EP) IT Italy (EP)3JM Jamaica (from 10 February 2022)JO Jordan JP JapanKE Kenya (AP) KG Kyrgyzstan (EA)KH Cambodia4KM Comoros (OA)2KN saint Kitts and NevisKP Democratic People s Republic of KoreaKR Republic of KoreaKW Kuwait KZ Kazakhstan (EA)LA Lao People s Demo-cratic RepublicLC saint LuciaLI Liechtenstein (EP)LK Sri LankaLR Liberia (AP)LS Lesotho (AP)LT Lithuania (EP)2LU Luxembourg (EP)LV Latvia (EP)2LY Libya MA Morocco4MC Monaco (EP)2MD Republic of Moldova4ME Montenegro5MG MadagascarMK North Macedonia (EP)ML Mali (OA)2MN MongoliaMR Mauritania (OA)2MT Malta (EP)2MW Malawi (AP)MX Mexico MY MalaysiaMZ Mozambique (AP)NA Namibia (AP)NE Niger (OA)2NG Nigeria NI NicaraguaNL Netherlands (EP)2NO Norway (EP)NZ New ZealandOM Oman PA PanamaPE PeruPG Papua New Guinea PH Philippines PL Poland (EP)PT Portugal (EP)QA Qatar RO Romania (EP)RS Serbia (EP)RU Russian Federation (EA)RW Rwanda (AP)
5 SA Saudi ArabiaSC Seychelles SD Sudan (AP)SE Sweden (EP)SG SingaporeSI Slovenia (EP)2 SK Slovakia (EP)SL Sierra Leone (AP)SM San Marino (EP)2SN Senegal (OA)2ST Sao Tome and Principe (AP) SV El SalvadorSY Syrian Arab Republic SZ Eswatini (AP)2TD Chad (OA)2TG Togo (OA)2TH ThailandTJ Tajikistan (EA)TM Turkmenistan (EA)TN Tunisia4TR Turkey (EP)TT Trinidad and TobagoTZ United Republic of Tanzania (AP)UA UkraineUG Uganda (AP)US United States of AmericaUZ UzbekistanVC saint Vincent and the GrenadinesVN Viet NamWS SamoaZA South AfricaZM Zambia (AP) ZW Zimbabwe (AP)
