(Electronic Mail Internet Country Codes)

AFGHANISTAN ................................................ AF
AFRICAN INTELLECTUAL PROPERTY
ORGANIZATION (OAPI)(1) ............................ OA
AFRICAN REGIONAL INTELLECTUAL
PROPERTY ORGANIZATION (ARIPO)(1) .... AP
ALBANIA ........................................................... AL
ALGERIA .......................................................... DZ
ANDORRA ........................................................ AD
ANGOLA ........................................................... AO
ANGUILLA ........................................................ AI
ANTIGUA AND BARBUDA ............................... AG
ARGENTINA ..................................................... AR
ARMENIA .......................................................... AM
ARUBA .............................................................. AW
AUSTRALIA ...................................................... AU
AUSTRIA .......................................................... AT
AZERBAIJAN .................................................... AZ
BAHAMAS ........................................................ BS
BAHRAIN .......................................................... BH
BANGLADESH ................................................. BD
BARBADOS ...................................................... BB
BELARUS ......................................................... BY
BELGIUM .......................................................... BE
BELIZE .............................................................. BZ
BENELUX OFFICE FOR INTELLECTUAL
PROPERTY (BOIP)(2) .................................... BX
BENIN ............................................................... BJ
BERMUDA ........................................................ BM
BHUTAN ........................................................... BT
BOLIVIA, PLURINATIONAL STATE OF .......... BO
BONAIRE, SAINT EUSTATIUS AND SABA..... BQ
BOSNIA AND HERZEGOVINA ........................ BA
BOTSWANA ..................................................... BW
BOUVET ISLAND ............................................. BV
BRAZIL ............................................................. BR
BRUNEI DARUSSALAM .................................. BN
BULGARIA ........................................................ BG
BURKINA FASO ............................................... BF
BURUNDI .......................................................... BI
CAMBODIA ....................................................... KH
CAMEROON ..................................................... CM
CANADA ........................................................... CA
CAPE VERDE ................................................... CV
CAYMAN ISLANDS .......................................... KY
CENTRAL AFRICAN REPUBLIC ..................... CF
CHAD ................................................................ TD
CHILE ............................................................... CL
CHINA ............................................................... CN
COMMUNITY PLANT VARIETY OFFICE
(EUROPEAN UNION) (CPVO)....................... QZ
COLOMBIA ....................................................... CO
COMOROS ....................................................... KM
CONGO (see Congo, below; Democratic
Republic of the Congo)
CONGO ............................................................ CG
COOK ISLANDS ............................................... CK
COSTA RICA .................................................... CR
CÔTE D’IVOIRE ............................................... CI
CROATIA .......................................................... HR
CUBA ................................................................ CU
CURAÇAO......................................................... CW
CYPRUS ........................................................... CY
CZECH REPUBLIC .......................................... CZ
DEMOCRATIC PEOPLE’S REPUBLIC
OF KOREA .................................................... KP
DEMOCRATIC REPUBLIC OF
THE CONGO ................................................. CD
DENMARK ........................................................ DK
DJIBOUTI ......................................................... DJ
DOMINICA ........................................................ DM
DOMINICAN REPUBLIC .................................. DO
ECUADOR ........................................................ EC
EGYPT ............................................................. EG
EL SALVADOR ................................................. SV
EQUATORIAL GUINEA ................................... GQ
ERITREA .......................................................... ER
ESTONIA .......................................................... EE
ETHIOPIA ......................................................... ET
EURASIAN PATENT ORGANIZATION
(EAPO)(1) ....................................................... EA
EUROPEAN UNION TRADE MARK AND
DESIGNS OFFICE (See Office for
Harmonization in the Internal Market)
EUROPEAN PATENT OFFICE (EPO)(1) ......... EP
FALKLAND ISLANDS (MALVINAS) ................. FK
FAROE ISLANDS ............................................. FO
FIJI .................................................................... FJ
FINLAND .......................................................... FI
FRANCE ........................................................... FR
GABON ............................................................. GA
GAMBIA ............................................................ GM
GEORGIA ......................................................... GE
GERMANY(3) ..................................................... DE
GHANA ............................................................. GH
GIBRALTAR ..................................................... GI
GREECE .......................................................... GR
GREENLAND ................................................... GL
GRENADA ........................................................ GD
GUATEMALA ................................................... GT
GUERNSEY ...................................................... GG
GUINEA ............................................................ GN
GUINEA–BISSAU ............................................ GW
Page 4 PCT Applicant’s Guide – International Phase – Annex K
(19 May 2011)
Country Names and Two-Letter Codes
Annex A, Section 1
page 2
GULF COOPERATION COUNCIL (see Patent
Office of the Cooperation Council for
the Arab States of the Gulf)
GUYANA ........................................................... GY
HAITI ................................................................. HT
HOLY SEE ........................................................ VA
HONDURAS ... .................................................. HN
HONG KONG (See The Hong Kong Special
Administrative Region of the People’s
Republic of China)
HUNGARY ........................................................ HU
ICELAND .......................................................... IS
INDIA ................................................................ IN
INDONESIA ...................................................... ID
INTERNATIONAL BUREAU OF THE
WORLD INTELLECTUAL PROPERTY
ORGANIZATION (WIPO)(4) ........................... IB, WO
IRAN, ISLAMIC REPUBLIC OF ........................ IR
IRAQ ................................................................. IQ
IRELAND .......................................................... IE
ISLE OF MAN.................................................... IM
ISRAEL ............................................................. IL
ITALY ................................................................ IT
JAMAICA .......................................................... JM
JAPAN .............................................................. JP
JERSEY............................................................. JE
JORDAN ........................................................... JO
KAZAKHSTAN .................................................. KZ
KENYA .............................................................. KE
KIRIBATI ........................................................... KI
KOREA (see Democratic People’s
Republic of Korea; Republic of Korea)
KUWAIT ............................................................ KW
KYRGYZSTAN ................................................. KG
LAO PEOPLE’S DEMOCRATIC REPUBLIC ... LA
LATVIA .............................................................. LV
LEBANON ......................................................... LB
LESOTHO ......................................................... LS
LIBERIA ............................................................ LR
LIBYAN ARAB JAMAHIRIYA ........................... LY
LIECHTENSTEIN ............................................. LI
LITHUANIA ....................................................... LT
LUXEMBOURG ................................................ LU
MACAO ............................................................. MO
MACEDONIA (see The former Yugoslav
Republic of Macedonia)
MADAGASCAR ................................................ MG
MALAWI ............................................................ MW
MALAYSIA ........................................................ MY
MALDIVES ........................................................ MV
MALI .................................................................. ML
MALTA .............................................................. MT
MAURITANIA .................................................... MR
MAURITIUS ...................................................... MU
MEXICO ............................................................ MX
MOLDOVA (see Republic of Moldova)
MONACO ......................................................... MC
MONGOLIA ...................................................... MN
MONTENEGRO ................................................ ME
MONTSERRAT ................................................ MS
MOROCCO ...................................................... MA
MOZAMBIQUE ................................................. MZ
MYANMAR ....................................................... MM
NAMIBIA ........................................................... NA
NAURU ............................................................. NR
NEPAL .............................................................. NP
NETHERLANDS ............................................... NL
NEW ZEALAND ............................................... NZ
NICARAGUA .................................................... NI
NIGER .............................................................. NE
NIGERIA ........................................................... NG
NORDIC PATENT INSTITUTE (NPI)................ XN
NORTHERN MARIANA ISLANDS ................... MP
NORWAY ......................................................... NO
OFFICE FOR HARMONIZATION IN THE
INTERNAL MARKET (TRADE MARKS AND
DESIGNS) (OHIM) ........................................ EM
OMAN ............................................................... OM
PAKISTAN ........................................................ PK
PALAU .............................................................. PW
PANAMA .......................................................... PA
PAPUA NEW GUINEA ..................................... PG
PARAGUAY ...................................................... PY
PATENT OFFICE OF THE COOPERATION
COUNCIL FOR THE ARAB STATES OF
THE GULF (GCC) .......................................... GC
PERU ................................................................ PE
PHILIPPINES ................................................... PH
POLAND ........................................................... PL
PORTUGAL ...................................................... PT
QATAR ............................................................. QA
REPUBLIC OF KOREA .................................... KR
REPUBLIC OF MOLDOVA .............................. MD
ROMANIA ......................................................... RO
RUSSIAN FEDERATION ................................. RU
RWANDA .......................................................... RW
SAINT HELENA, ASCENSION AND
TRISTAN DA CUNHA ................................... SH
SAINT KITTS AND NEVIS ............................... KN
SAINT LUCIA ................................................... LC
SAINT VINCENT AND
THE GRENADINES ...................................... VC
SAMOA ............................................................. WS
SAN MARINO ................................................... SM
SAO TOME AND PRINCIPE ............................ ST
SAUDI ARABIA ................................................ SA
SENEGAL ......................................................... SN
SERBIA ............................................................ RS
SEYCHELLES .................................................. SC
SIERRA LEONE ............................................... SL
SINGAPORE .................................................... SG
SINT MAARTEN (Dutch part) ............................ SX
PCT Applicant’s Guide – International Phase – Annex K Page 5
(19 May 2011)
Country Names and Two-Letter Codes
Annex A, Section 1
page 3
SLOVAKIA ........................................................ SK
SLOVENIA ........................................................ SI
SOLOMON ISLANDS ....................................... SB
SOMALIA .......................................................... SO
SOUTH AFRICA ............................................... ZA
SOUTH GEORGIA AND THE SOUTH
SANDWICH ISLANDS ................................... GS
SPAIN ............................................................... ES
SRI LANKA ....................................................... LK
SUDAN ............................................................. SD
SURINAME ....................................................... SR
SWAZILAND ..................................................... SZ
SWEDEN .......................................................... SE
SWITZERLAND ................................................ CH
SYRIAN ARAB REPUBLIC .............................. SY
TAIWAN, PROVINCE OF CHINA ..................... TW
TAJIKISTAN ..................................................... TJ
TANZANIA (see United Republic of Tanzania)
THAILAND ........................................................ TH
THE FORMER YUGOSLAV REPUBLIC
OF MACEDONIA ........................................... MK
THE HONG KONG SPECIAL
ADMINISTRATIVE REGION OF
THE PEOPLE’S REPUBLIC OF CHINA ........ HK
TIMOR–LESTE.................................................. TL
TOGO ............................................................... TG
TONGA ............................................................. TO
TRINIDAD AND TOBAGO ................................ TT
TUNISIA ............................................................ TN
TURKEY ........................................................... TR
TURKMENISTAN ............................................. TM
TURKS AND CAICOS ISLANDS ..................... TC
TUVALU ........................................................... TV
UGANDA .......................................................... UG
UKRAINE .......................................................... UA
UNITED ARAB EMIRATES .............................. AE
UNITED KINGDOM .......................................... GB
UNITED REPUBLIC OF TANZANIA ................ TZ
UNITED STATES OF AMERICA ..................... US
URUGUAY ........................................................ UY
UZBEKISTAN ................................................... UZ
VANUATU ........................................................ VU
VATICAN CITY STATE (See Holy See)
VENEZUELA, BOLIVARIAN REPUBLIC OF ... VE
VIET NAM ......................................................... VN
VIRGIN ISLANDS, BRITISH ............................ VG
WESTERN SAHARA(5) ..................................... EH
WORLD INTELLECTUAL PROPERTY
ORGANIZATION (WIPO)
(INTERNATIONAL BUREAU OF)(4) .............. WO, IB
YEMEN ............................................................. YE
ZAMBIA ............................................................ ZM
ZIMBABWE ...................................................... ZW
[Section 2 follows]
Page 6 PCT Applicant’s Guide – International Phase – Annex K
(19 May 2011)
Country Names and Two-Letter Codes
ANNEX A, SECTION 2
LIST OF CODES, IN ALPHABETIC SEQUENCE, AND THE CORRESPONDING (SHORT) NAMES
OF STATES, OTHER ENTITIES AND INTERGOVERNMENTAL ORGANIZATIONS
AD Andorra
AE United Arab Emirates
AF Afghanistan
AG Antigua and Barbuda
AI Anguilla
AL Albania
AM Armenia
AO Angola
AP African Regional Intellectual Property
Organization (ARIPO)(1)
AR Argentina
AT Austria
AU Australia
AW Aruba
AZ Azerbaijan
BA Bosnia and Herzegovina
BB Barbados
BD Bangladesh
BE Belgium
BF Burkina Faso
BG Bulgaria
BH Bahrain
BI Burundi
BJ Benin
BM Bermuda
BN Brunei Darussalam
BO Bolivia, Plurinational State of
BQ Bonaire, Saint Eustatius and Saba
BR Brazil
BS Bahamas
BT Bhutan
BV Bouvet Island
BW Botswana
BX Benelux Office for Intellectual Property
(BOIP)(2)
BY Belarus
BZ Belize
CA Canada
CD Democratic Republic of the Congo
CF Central African Republic
CG Congo
CH Switzerland
CI Côte d’Ivoire
CK Cook Islands
CL Chile
CM Cameroon
CN China
CO Colombia
CR Costa Rica
CU Cuba
CV Cape Verde
CW Curaçao
CY Cyprus
CZ Czech Republic
DE Germany(3)
DJ Djibouti
DK Denmark
DM Dominica
DO Dominican Republic
DZ Algeria
EA Eurasian Patent Organization (EAPO)(1)
EC Ecuador
EE Estonia
EG Egypt
EH Western Sahara(5)
EM Office for Harmonization in the Internal Market
(Trademarks and Designs) (OHIM)
EP European Patent Office (EPO)(1)
ER Eritrea
ES Spain
ET Ethiopia
FI Finland
FJ Fiji
FK Falkland Islands (Malvinas)
FO Faroe Islands
FR France
GA Gabon
GB United Kingdom
GC Patent Office of the Cooperation Council
for the Arab States of the Gulf (GCC)
GD Grenada
GE Georgia
GG Guernsey
GH Ghana
GI Gibraltar
GL Greenland
GM Gambia
GN Guinea
GQ Equatorial Guinea
GR Greece
GS South Georgia and the South Sandwich Islands
GT Guatemala
GW Guinea-Bissau
GY Guyana
HK The Hong Kong Special Administrative Region
of the People’s Republic of China
HN Honduras
HR Croatia
HT Haiti
HU Hungary
IB International Bureau of the World Intellectual
Property Organization (WIPO)(4)
ID Indonesia
IE Ireland
IL Israel
IM Isle of Man
PCT Applicant’s Guide – International Phase – Annex K Page 7
(19 May 2011)
Country Names and Two-Letter Codes
Annex A, Section 2
page 2
IN India
IQ Iraq
IR Iran (Islamic Republic of)
IS Iceland
IT Italy
JE Jersey
JM Jamaica
JO Jordan
JP Japan
KE Kenya
KG Kyrgyzstan
KH Cambodia
KI Kiribati
KM Comoros
KN Saint Kitts and Nevis
KP Democratic People’s Republic of Korea
KR Republic of Korea
KW Kuwait
KY Cayman Islands
KZ Kazakhstan
LA Lao People’s Democratic Republic
LB Lebanon
LC Saint Lucia
LI Liechtenstein
LK Sri Lanka
LR Liberia
LS Lesotho
LT Lithuania
LU Luxembourg
LV Latvia
LY Libyan Arab Jamahiriya
MA Morocco
MC Monaco
MD Republic of Moldova
ME Montenegro
MG Madagascar
MK The former Yugoslav Republic of Macedonia
ML Mali
MM Myanmar
MN Mongolia
MO Macao
MP Northern Mariana Islands
MR Mauritania
MS Montserrat
MT Malta
MU Mauritius
MV Maldives
MW Malawi
MX Mexico
MY Malaysia
MZ Mozambique
NA Namibia
NE Niger
NG Nigeria
NI Nicaragua
NL Netherlands
NO Norway
NP Nepal
NR Nauru
NZ New Zealand
OA African Intellectual Property
Organization (OAPI)(1)
OM Oman
PA Panama
PE Peru
PG Papua New Guinea
PH Philippines
PK Pakistan
PL Poland
PT Portugal
PW Palau
PY Paraguay
QA Qatar
QZ Community Plant Variety Office
(European Union) (CPVO)
RO Romania
RS Serbia
RU Russian Federation
RW Rwanda
SA Saudi Arabia
SB Solomon Islands
SC Seychelles
SD Sudan
SE Sweden
SG Singapore
SH Saint Helena, Ascension and Tristan da Cunha
SI Slovenia
SK Slovakia
SL Sierra Leone
SM San Marino
SN Senegal
SO Somalia
SR Suriname
ST Sao Tome and Principe
SV El Salvador
SX Sint Maarten (Dutch part)
SY Syrian Arab Republic
SZ Swaziland
TC Turks and Caicos Islands
TD Chad
TG Togo
TH Thailand
TJ Tajikistan
TL Timor–Leste
TM Turkmenistan
TN Tunisia
TO Tonga
TR Turkey
TT Trinidad and Tobago
TV Tuvalu
TW Taiwan, Province of China
TZ United Republic of Tanzania
UA Ukraine
UG Uganda
Page 8 PCT Applicant’s Guide – International Phase – Annex K
(19 May 2011)
Country Names and Two-Letter Codes
Annex A, Section 2
page 3
US United States of America
UY Uruguay
UZ Uzbekistan
VA Holy See
VC Saint Vincent and the Grenadines
VE Venezuela, Bolivarian Republic of
VG Virgin Islands (British)
VN Viet Nam
VU Vanuatu
WO World Intellectual Property Organization
(WIPO) (International Bureau of)(4)
WS Samoa
XN Nordic Patent Institute (NPI)
YE Yemen
ZA South Africa
ZM Zambia
ZW Zimbabwe

--------------------------------------------------------------

  • AD Andorra
  • AE United Arab Emirates
  • AF Afghanistan
  • AG Antigua and Barbuda
  • AI Anguilla
  • AL Albania
  • AM Armenia
  • AN Netherland Antilles
  • AO Angola
  • AQ Antarctica
  • AR Argentina
  • AS American Samoa
  • AT Austria
  • AU Australia
  • AW Aruba
  • AZ Azerbaidjan
  • BA Bosnia-Herzegovina
  • BB Barbados
  • BD Banglades
  • BE Belgium
  • BF Burkina Faso
  • BG Bulgaria
  • BH Bahrain
  • BI Burundi
  • BJ Benin
  • BM Bermuda
  • BN Brunei Darussalam
  • BO Bolivia
  • BR Brazil
  • BS Bahamas
  • BT Buthan
  • BV Bouvet Island
  • BW Botswana
  • BY Belarus
  • BZ Belize
  • CA Canada
  • CC Cocos (Keeling) Isl.
  • CF Central African Rep.
  • CG Congo
  • CH Switzerland
  • CI Ivory Coast
  • CK Cook Islands
  • CL Chile
  • CM Cameroon
  • CN China
  • CO Colombia
  • CR Costa Rica
  • CS Czechoslovakia
  • CU Cuba
  • CV Cape Verde
  • CX Christmas Island
  • CY Cyprus
  • CZ Czech Republic
  • DE Germany
  • DJ Djibouti
  • DK Denmark
  • DM Dominica
  • DO Dominican Republic
  • DZ Algeria

back to top

  • EC Ecuador
  • EE Estonia
  • EG Egypt
  • EH Western Sahara
  • ES Spain
  • ET Ethiopia
  • FI Finland
  • FJ Fiji
  • FK Falkland Isl.(Malvinas)
  • FM Micronesia
  • FO Faroe Islands
  • FR France
  • FX France (European Ter.)
  • GA Gabon
  • GB Great Britain (UK)
  • GD Grenada
  • GE Georgia
  • GH Ghana
  • GI Gibraltar
  • GL Greenland
  • GP Guadeloupe (Fr.)
  • GQ Equatorial Guinea
  • GF Guyana (Fr.)
  • GM Gambia
  • GN Guinea
  • GR Greece
  • GT Guatemala
  • GU Guam (US)
  • GW Guinea Bissau
  • GY Guyana
  • HK Hong Kong
  • HM Heard & McDonald Isl.
  • HN Honduras
  • HR Croatia
  • HT Haiti
  • HU Hungary
  • ID Indonesia
  • IE Ireland
  • IL Israel
  • IN India
  • IO British Indian O. Terr.
  • IQ Iraq
  • IR Iran
  • IS Iceland
  • IT Italy
  • JM Jamaica
  • JO Jordan
  • JP Japan
  • KE Kenya
  • KG Kirgistan
  • KH Cambodia
  • KI Kiribati
  • KM Comoros
  • KN St.Kitts Nevis Anguilla
  • KP Korea (North)
  • KR Korea (South)
  • KW Kuwait
  • KY Cayman Islands
  • KZ Kazachstan
  • LA Laos
  • LB Lebanon
  • LC Saint Lucia
  • LI Liechtenstein
  • LK Sri Lanka
  • LR Liberia
  • LS Lesotho
  • LT Lithuania
  • LU Luxembourg
  • LV Latvia
  • LY Libya
  • MA Morocco
  • MC Monaco
  • MD Moldavia
  • MG Madagascar
  • MH Marshall Islands
  • ML Mali
  • MM Myanmar
  • MN Mongolia
  • MO Macau
  • MP Northern Mariana Isl.
  • MQ Martinique (Fr.)
  • MR Mauritania
  • MS Montserrat
  • MT Malta
  • MU Mauritius
  • MV Maldives
  • MW Malawi
  • MX Mexico
  • MY Malaysia
  • MZ Mozambique
  • NA Namibia
  • NC New Caledonia (Fr.)
  • NE Niger
  • NF Norfolk Island
  • NG Nigeria
  • NI Nicaragua
  • NL Netherlands
  • NO Norway
  • NP Nepal
  • NR Nauru
  • NT Neutral Zone
  • NU Niue
  • NZ New Zealand
  • OM Oman
  • PA Panama
  • PE Peru
  • PF Polynesia (Fr.)
  • PG Papua New
  • PH Philippines
  • PK Pakistan
  • PL Poland
  • PM St. Pierre & Miquelon
  • PN Pitcairn
  • PT Portugal
  • PR Puerto Rico (US)
  • PW Palau
  • PY Paraguay
  • QA Qatar
  • RE Reunion (Fr.)
  • RO Romania
  • RU Russian Federation
  • RW Rwanda
  • SA Saudi Arabia
  • SB Solomon Islands
  • SC Seychelles
  • SD Sudan
  • SE Sweden
  • SG Singapore
  • SH St. Helena
  • SI Slovenia
  • SJ Svalbard & Jan Mayen Is
  • SK Slovak Republic
  • SL Sierra Leone
  • SM San Marino
  • SN Senegal
  • SO Somalia
  • SR Suriname
  • ST St. Tome and Principe
  • SU Soviet Union
  • SV El Salvador
  • SY Syria
  • SZ Swaziland
  • TC Turks & Caicos Islands
  • TD Chad
  • TF French Southern Terr.
  • TG Togo
  • TH Thailand
  • TJ Tadjikistan
  • TK Tokelau
  • TM Turkmenistan
  • TN Tunisia
  • TO Tonga
  • TP East Timor
  • TR Turkey
  • TT Trinidad & Tobago
  • TV Tuvalu
  • TW Taiwan
  • TZ Tanzania
  • UA Ukraine
  • UG Uganda
  • UK United Kingdom
  • UM US Minor outlying Isl.
  • US United States
  • UY Uruguay
  • UZ Uzbekistan
  • VA Vatican City State
  • VC St.Vincent & Grenadines
  • VE Venezuela
  • VG Virgin Islands (British)
  • VI Virgin Islands (US)
  • VN Vietnam
  • VU Vanuatu
  • WF Wallis & Futuna Islands
  • WS Samoa
  • YE Yemen
  • YU Yugoslavia
  • ZA South Africa
  • ZM Zambia
  • ZR Zaire
  • ZW Zimbabwe
  • ARPA Old style Arpanet
  • COM US Commercial
  • EDU US Educational
  • GOV US Government
  • INT International
  • MIL US Military
  • NATO Nato field
  • NET Network
  • ORG Non-Profit

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