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Time limits for entering National/Regional Phase under PCT Chapters I and II (in months from priority date)

Note that detailed information on the excusing of delays in meeting time limits before certain designated/elected Offices is contained in the corresponding National Chapters of the PCT Applicant’s Guide.
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Designated/Elected OfficeChapter I (under PCT Article 22)Chapter II (under PCT Article 39(1))
AE - International Center for Patent Registration, Ministry of Economy (United Arab Emirates)3030
AG - Antigua and Barbuda Intellectual Property and Commerce Office (ABIPCO)3030
AL - General Directorate of Industrial Property (GDIP) (Albania)3131
AM - Intellectual Property Agency of the Republic of Armenia3131
AO - Angolan Institute of Industrial Property3030
AP - African Regional Intellectual Property Organization (ARIPO)3131
AT - Austrian Patent Office3030
AU - Australian Patent Office3131
AZ - Intellectual Property Agency of the Republic of Azerbaijan3031
BA - Institute for Intellectual Property of Bosnia and Herzegovina3434
BB - Corporate Affairs and Intellectual Property Office (Barbados)3030
BG - Patent Office of the Republic of Bulgaria3131
BH - National Patent Office (Bahrain)3030
BN - Brunei Darussalam Intellectual Property Office (BruIPO)3030
BR - National Institute of Industrial Property (Brazil)3030
BW - Companies and Intellectual Property Authority (CIPA) (Botswana)3131
BY - National Center of Intellectual Property (Belarus)3131
BZ - Belize Intellectual Property Office3030
CA - Canadian Intellectual Property Office30 (42)30 (42)
CH - Swiss Federal Institute of Intellectual Property3030
CL - National Institute of Industrial Property (Chile)3030
CN - China National Intellectual Property Administration (CNIPA)30 (32)30 (32)
CO - Superintendence of Industry and Commerce (Colombia)3131
CR - Registry of Industrial Property (Costa Rica)3131
CU - Cuban Industrial Property Office3030
CZ - Industrial Property Office (Czechia)3131
DE - German Patent and Trade Mark Office3030
DJ - Office of Industrial Property and Commerce of Djibouti (ODPIC)3030
DK - Danish Patent and Trademark Office3131
DM - Registry of Companies, Intellectual Property Office (Dominica)3030
DO - National Office of Industrial Property (Dominican Republic)3030
DZ - Algerian National Institute of Industrial Property3131
EA - Eurasian Patent Office (EAPO)3131
EC - National Service of Intellectual Rights (SENADI) (Ecuador)3131
EE - Estonian Patent Office3131
EG - Egyptian Patent Office3030
EP - European Patent Office (EPO)3131
ES - Spanish Patent and Trademark Office3030
FI - Finnish Patent and Registration Office (PRH)3131
GB - Intellectual Property Office (United Kingdom)3131
GD - Supreme Court Registry (Grenada)3030
GE - National Intellectual Property Center of Georgia (SAKPATENTI)3131
GH - Registrar General's Department (Ghana)3030
GM - Registrar General's Department, Department of State for Justice (Gambia)3031
GT - Registry of Intellectual Property (Guatemala)3030
HN - Directorate General of Intellectual Property (Honduras)3030
HR - State Intellectual Property Office (Croatia)3131
HU - Hungarian Intellectual Property Office (HIPO)3131
ID - Directorate General of Intellectual Property (Indonesia)3131
IL - Israel Patent Office3030
IN - Indian Patent Office3131
IR - Intellectual Property Center (Islamic Republic of Iran)3030
IS - Icelandic Intellectual Property Office (ISIPO)3131
JP - Japan Patent Office (JPO)3030
KE - Kenya Industrial Property Institute3030
KG - State Service of Intellectual Property and Innovation under the Government of the Kyrgyz Republic3131
KN - Intellectual Property Office (Saint Kitts and Nevis)3030
KP - Invention Office of the Democratic People's Republic of Korea3030
KR - Korean Intellectual Property Office3131
KW - Ministry of Commerce and Industry, Trademarks and Patent Department (Kuwait)3030
KZ - National Institute of Intellectual Property (NIIP) (Kazakhstan)3131
LA - Department of Intellectual Property, Ministry of Science and Technology (Lao People's Democratic Republic)3030
LC - Registry of Companies and Intellectual Property (Saint Lucia)3030
LK - National Intellectual Property Office of Sri Lanka3030
LR - Ministry of Foreign Affairs, Bureau of Archives, Patents, Trade Marks and Copyright (Liberia)3031
LS - Registrar General's Office (Lesotho)3031
LU - Intellectual Property Office (Luxembourg)2030
LY - Libyan Industrial Property Office3030
MA - Moroccan Office of Industrial and Commercial Property (OMPIC)3131
MD - State Agency on Intellectual Property (Republic of Moldova)3131
ME - Ministry of Economy, Department for Intellectual Property (Montenegro)3030
MG - Industrial Property Office of Madagascar3030
MK - State Office of Industrial Property (North Macedonia)3131
MN - Intellectual Property Office of Mongolia3131
MW - Ministry of Justice, Department of the Registrar General (Malawi)3030
MX - Mexican Institute of Industrial Property3030
MY - Intellectual Property Corporation of Malaysia3030
MZ - Industrial Property Institute (IPI) (Mozambique)3131
NA - Business and Intellectual Property Authority (BIPA) (Namibia)3131
NG - Commercial Law Department (Trademarks, Patents and Designs) (Nigeria)3030
NI - Registry of Intellectual Property (Nicaragua)3030
NO - Norwegian Industrial Property Office3131
NZ - Intellectual Property Office of New Zealand (IPONZ)3131
OA - African Intellectual Property Organization (OAPI)3030
OM - Intellectual Property Department, Ministry of Commerce and Industry (Oman)3030
PA - Directorate General of the Industrial Property Registry (DIGERPI) (Panama)3030
PE - National Institute for the Defense of Competition and Intellectual Property Protection (Peru)3030
PG - Intellectual Property Office of Papua New Guinea3131
PH - Intellectual Property Office of the Philippines30 (31)30 (31)
PL - Patent Office of the Republic of Poland3030
PT - National Institute of Industrial Property (Portugal)3030
QA - Intellectual Property Department (Qatar)3030
RO - State Office for Inventions and Trademarks (Romania)3030
RS - Intellectual Property Office (Serbia)3030
RU - Federal Service for Intellectual Property (Rospatent) (Russian Federation)3131
RW - Office of the Registrar General (Rwanda)3030
SA - Saudi Authority for Intellectual Property (SAIP)3030
SC - Registration Division, Department of Legal Affairs (Seychelles)3131
SD - Registrar General of Intellectual Property Department (Sudan)3030
SE - Swedish Intellectual Property Office (PRV)3131
SG - Intellectual Property Office of Singapore3030
SK - Industrial Property Office of the Slovak Republic3131
SL - Administrator and Registrar General's Department (Sierra Leone)3131
SM - Patent and Trademark Office (San Marino)3131
ST - Industrial Property National Service (SENAPI)3030
SV - National Center of Registries (CNR) (El Salvador)3030
SY - Ministry of Internal Trade and Consumer Protection, Directorate of Industrial and Commercial Property Protection (Syrian Arab Republic)3131
TH - Department of Intellectual Property (DIP) (Thailand)3030
TJ - Tajik Patent Office3031
TM - Patent Department, Ministry of Economy and Finance of Turkmenistan3031
TN - National Institute for Standardization and Industrial Property (INNORPI) (Tunisia)3030
TR - Turkish Patent and Trademark Office (Turkpatent)30 (33)30 (33)
TT - Intellectual Property Office, Ministry of the Attorney General and Legal Affairs (Trinidad and Tobago)3031
TZ - Business Registrations and Licensing Agency, Ministry of Industry and Trade (United Republic of Tanzania)2131
UA - Ministry of Economic Development and Trade of Ukraine, Department for Intellectual Property3131
UG - Uganda Registration Services Bureau (URSB)3031
US - United States Patent and Trademark Office (USPTO)3030
UZ - Agency on Intellectual Property of the Republic of Uzbekistan3131
VC - Commerce and Intellectual Property Office (CIPO) (Saint Vincent and the Grenadines)3131
VN - Intellectual Property Office of Viet Nam (IP Viet Nam)3131
ZA - Companies and Intellectual Property Commission (CIPC) (South Africa)3131
ZM - Patents and Companies Registration Agency (PACRA) (Zambia)3030
ZW - Zimbabwe Intellectual Property Office3031