PCT 30 / 31 month deadline calculator

Easily calculate the 30/31 month PCT national phase patent filing deadline from the PCT “base date” (i.e. the earlier of the priority date or the PCT filing date).

30 month countries

Angola, Antigua and Barbuda, Austria, Azerbaijan, Bahrain, Barbados, Belize, Brazil, Brunei Darussalam, Cabo Verde, Cambodia, Canada (extendable for further 12 months), Chile, China (extendable to 31 months), Cuba, Democratic People’s Republic of Korea, Djibouti, Dominica, Dominican Republic, Egypt, El Salvador, Gambia, Ghana, Grenada, Guatemala, Honduras, Iran (Islamic Republic of), Israel, Italy, Jamaica, Japan, Jordan, Kenya, Kuwait, Lao People’s Democratic Republic, Lesotho, Liberia, Libya, Madagascar, Malawi, Malaysia, Mauritius, Mexico, Nicaragua, Nigeria, OAPI (African Intellectual Property Organization), Oman, Panama, Peru, Philippines, Poland, Portugal, Qatar, Romania, Rwanda, Saint Kitts and Nevis, Saint Lucia, SANi (South Africa and Nigeria combination patent), Sao Tome and Principe, Saudi Arabia, Serbia, Singapore, Spain, Sri Lanka, Sudan, Switzerland, Tajikistan, Thailand, Trinidad and Tobago, Tunisia , Türkiye, Turkmenistan, Uganda, United Arab Emirates, United States of America, Uruguay, Zambia, Zimbabwe.

31 month counties

Albania, Algeria, ARIPO (African Regional Intellectual Property Organization), Armenia, Australia, Belarus, Bosnia and Herzegovina, Botswana, Bulgaria, Colombia, Costa Rica, Croatia, Czechia, Denmark, Ecuador, Estonia, Eurasian Patent Organization, European Patent Organisation, Finland, Georgia, Germany, Hungary, Iceland, India, Indonesia, Iraq, Kazakhstan, Kyrgyzstan, Mongolia, Morocco, Mozambique, Namibia, New Zealand, North Macedonia, Norway, Papua New Guinea, Republic of Korea, Republic of Moldova, Russian Federation, Saint Vincent and the Grenadines, Samoa, Seychelles, Sierra Leone, Slovakia, South Africa (extendable to 34 months), Sweden, Syrian Arab Republic, Ukraine, United Kingdom, Uzbekistan, Viet Nam.

Quick Pricing for Africa