List of parties to international patent treaties

This is a list of parties to international patent treaties which are open to all states.

Paris

Paris Convention for the Protection of Industrial Property, Paris, 1883-03-20, came into force 1884-07-07^[1]

PCT

Patent Cooperation Treaty, Washington, 1970-06-19, came into force 1978-01-24^[2]

Budapest

Budapest Treaty on the International Recognition of the Deposit of Microorganisms for the Purposes of Patent Procedure, Budapest, 1977-04-28, came into force 1980-08-19^[3]

TRIPS

Agreement on Trade-Related Aspects of Intellectual Property Rights, Marrakech, 1994-04-15, came into force 1995-01-01^[4]

PLT

Patent Law Treaty, Geneva, 2000-06-01, came into force 2005-04-28^[5]

The list below was taken from details supplied by WIPO and the WTO. Dates quoted are the date on which the treaty came into effect for a given country.

Country		Paris	PCT	Budapest	TRIPS	PLT
	Afghanistan	2017-05-14[6]	—	—	—	—
	Albania	1995-10-04	1995-10-04	2003-09-19	2000-09-08	2010-05-17
	Algeria	1966-03-01	2000-03-08	—	—	—
	Andorra	2004-06-02	—	—	—	—
	Angola	2007-12-27	2007-12-27	—	1996-11-23	—
	Antigua and Barbuda	2000-03-17	2000-03-17	2019-06-25	1995-01-01	—
	Argentina	1967-02-10	—	—	1995-01-01	—
	Armenia	1991-12-25[a]	1991-12-25	2005-03-06	2003-02-05	2013-09-17
	Australia	1925-10-10	1980-03-31	1987-07-07	1995-01-01	2009-03-16
	Austria	1909-01-01[b]	1979-04-23	1984-04-26	1995-01-01	—
	Azerbaijan	1995-12-25	1995-12-25	2003-10-14	—	—
	Bahamas	1973-07-10	—	—	—	—
	Bahrain	1997-10-29	2007-03-18	2012-11-20	1995-01-01	2005-12-15
	Bangladesh	1991-03-03	—	—	1995-01-01	—
	Barbados	1985-03-12	1985-03-12	—	1995-01-01	—
	Belarus	1991-12-25[a]	1991-12-25	2001-10-19	—	2016-10-21
	Belgium	1884-07-07	1981-12-14	1983-12-15	1995-01-01	—
	Belize	2000-06-17	2000-06-17	—	1995-01-01	—
	Benin	1967-01-10	1987-02-26	—	1996-02-22	—
	Bhutan	2000-08-04	—	—	—	—
	Bolivia	1993-11-04	—	—	1995-09-12	—
	Bosnia and Herzegovina	1992-03-01	1996-09-07	2009-01-27	—	2012-05-09
	Botswana	1998-04-15	2003-10-30	—	1995-05-31	—
	Brazil	1884-07-07	1978-04-09	—	1995-01-01	—
	Brunei	2012-02-17	2012-07-24	2012-07-24	1995-01-01	—
	Bulgaria	1921-06-13	1984-05-21	1980-08-19	1996-12-01	—
	Burkina Faso	1963-11-19	1989-03-21	—	1995-06-03	—
	Burundi	1977-09-03	—	—	1995-07-23	—
	Cambodia	1998-09-22	2016-12-08	—	2004-10-13	—
	Cameroon	1964-05-10	1978-01-24	—	1995-12-13	—
	Canada	1923-09-01	1990-01-02	1996-09-21	1995-01-01	—
	Cape Verde	2022-07-06	2022-07-06	—	2008-07-23	—
	Central African Republic	1963-11-19	1978-01-24	—	1995-05-31	—
	Chad	1963-11-19	1978-01-24	—	1996-10-19	—
	Chile	1991-06-14	2009-06-02	2011-08-05	1995-01-01	—
	China	1985-03-19	1994-01-01	1995-07-01	2001-12-11	—
	Colombia	1996-09-03	2001-02-28	2016-07-26	1995-04-30	—
	Comoros	2005-04-03	2005-04-03	—	—	—
	Congo, Democratic Republic	1975-01-31	—	—	1997-01-01	—
	Congo, Republic	1963-09-02	1978-01-24	—	1997-03-27	—
	Costa Rica	1995-10-31	1999-08-03	2008-09-30	1995-01-01	—
	Côte d'Ivoire	1963-10-23	1991-04-30	—	1995-01-01	—
	Croatia	1991-10-08	1998-07-01	2000-02-25	2000-11-30	2005-04-28
	Cuba	1904-11-17	1996-07-16	1994-02-19	1995-04-20	—
	Cyprus	1966-01-17	1998-04-01	—	1995-07-30	—
	Czech Republic	1993-01-01	1993-01-01	1993-01-01	1995-01-01	—
	Denmark	1894-10-01	1978-12-01	1985-07-01	1995-01-01	2005-04-28
	Djibouti	2002-05-13	2016-09-23	—	1995-05-31	—
	Dominica	1999-08-07	1999-08-07	—	1995-01-01	—
	Dominican Republic	1890-07-11	2007-05-28	2007-07-03	1995-03-09	—
	Ecuador	1999-06-22	2001-05-07	—	1996-01-21	—
	Egypt	1951-07-01	2003-09-06	—	1995-06-30	—
	El Salvador	1994-02-19	2006-08-17	2006-08-17	1995-05-07	—
	Equatorial Guinea	1997-06-26	2001-07-17	—	—	—
	Eritrea	—	—	—	—	—
	Ethiopia	—	—	—	—	—
	Estonia	1994-08-24[c]	1994-08-24	1996-09-14	1999-11-13	2005-04-28
	Eswatini	1991-05-12	1994-09-20	—	1995-01-01	—
	European Union	—	—	—	1995-01-01	—
	Fiji	2024-01-19	—	—	1996-01-14	—
	Finland	1921-09-20	1980-10-01	1985-09-01	1995-01-01	2006-03-06
	France	1884-07-07	1978-02-25	1980-08-19	1995-01-01	2010-01-05
	Gabon	1964-02-29	1978-01-24	—	1995-01-01	—
	Gambia	1992-01-21	1997-12-09	—	1996-10-23	—
	Georgia	1991-12-25[a]	1991-12-25	2005-09-30	2000-06-14	—
	Germany	1903-05-01	1978-01-24	1981-01-20	1995-01-01	—
	Ghana	1976-09-28	1997-02-26	—	1995-01-01	—
	Greece	1924-10-02	1990-10-09	1993-10-30	1995-01-01	—
	Grenada	1998-09-22	1998-09-22	—	1996-02-22	—
	Guatemala	1998-08-18	2006-10-14	2006-10-14	1995-07-21	—
	Guinea	1982-02-05	1991-05-27	—	1995-10-25	—
	Guinea-Bissau	1988-06-28	1997-12-12	—	1995-05-31	—
	Guyana	1994-10-25	—	—	1995-01-01	—
	Haiti	1958-07-01	—	—	1996-01-30	—
	Honduras	1994-02-04	2006-06-20	2006-06-20	1995-01-01	—
	Hong Kong, China	1997-07-01[d]	1997-07-01[d]	—	1995-01-01	—
	Hungary	1909-01-01[b]	1980-06-27	1980-08-19	1995-01-01	2008-03-12
	Iceland	1962-05-05	1995-03-23	1995-03-23	1995-01-01	—
	India	1998-12-07	1998-12-07	2001-12-17	1995-01-01	—
	Indonesia	1950-12-24	1997-09-05	—	1995-01-01	—
	Iran	1959-12-16	2013-10-04	—	—	—
	Iraq	1976-12-24	2022-04-30	—	—	—
	Ireland	1925-12-04	1992-08-01	1999-12-15	1995-01-01	2012-05-27
	Israel	1950-03-24	1996-06-01	1996-04-26	1995-04-21	—
	Italy	1884-07-07	1985-03-28	1986-03-23	1995-01-01	—
	Jamaica	1999-12-24	2022-02-10[7]	—	1995-05-09	—
	Japan	1899-07-15	1978-10-01	1980-08-19	1995-01-01	—
	Jordan	1972-07-17	2017-06-09	2008-11-14	2000-04-11	—
	Kazakhstan	1991-12-25[a]	1991-12-25	2002-04-24	—	2011-10-19
	Kenya	1965-06-14	1994-06-08	—	1995-01-01	—
	Kiribati	2022-02-05[8]	—	—	—	—
	Korea, Democratic People's Republic	1980-06-10	1980-07-08	2002-02-21	—	—
	Korea, Republic	1980-05-04	1984-08-10	1988-03-28	1995-01-01	—
	Kuwait	2014-12-02	2016-09-09	—	1995-01-01	—
	Kyrgyzstan	1991-12-25[a]	1991-12-25	2003-05-17	1998-12-20	2005-04-28
	Laos	1998-10-08	2006-06-14	—	2013-02-02	—
	Latvia	1993-09-07[e]	1993-09-07	1994-12-29	1999-02-10	2010-06-12
	Lebanon	1924-09-01	—	—	—	—
	Lesotho	1989-09-28	1995-10-21	—	1995-05-31	—
	Liberia	1994-08-27	1994-08-27	—	—	2017-01-04
	Libya	1976-09-28	2005-09-15	—	—	—
	Liechtenstein	1933-07-14	1980-03-19	1981-08-19	1995-09-01	2009-12-18
	Lithuania	1994-05-22	1994-07-05	1998-05-09	2001-05-31	2012-02-03
	Luxembourg	1922-06-30	1978-04-30	2010-07-29	1995-01-01	—
	Macau, China	1999-12-20[f]	—	—	1995-01-01	—
	Madagascar	1963-12-21	1978-01-24	—	1995-11-17	—
	Malawi	1964-07-06	1978-01-24	—	1995-05-31	—
	Malaysia	1989-01-01	2006-08-16	2022-06-30	1995-01-01	—
	Maldives	—	—	—	1995-05-31	—
	Mali	1983-03-01	1984-10-19	—	1995-05-31	—
	Malta	1967-10-20	2007-03-01	—	1995-01-01	—
	Mauritania	1965-04-11	1983-04-13	—	1995-05-31	—
	Mauritius	1976-09-24	2023-03-15[9]	—	1995-01-01	—
	Mexico	1903-09-07	1995-01-01	2001-03-21	1995-01-01	—
	Federated States of Micronesia	—	—	—	—	—
	Moldova	1991-12-25[a]	1991-12-25	1991-12-25	2001-07-26	2005-04-28
	Monaco	1956-04-29	1979-06-22	1999-01-23	—	—
	Mongolia	1985-04-21	1991-05-27	—	1997-01-29	—
	Montenegro	2006-06-03	2006-06-03	2006-06-03	2012-04-29	2012-03-09
	Morocco	1917-07-30	1999-10-08	2011-07-20	1995-01-01	—
	Mozambique	1998-07-09	2000-05-18	—	1995-08-26	—
	Myanmar	—	—	—	1995-01-01	—
	Namibia	2004-01-01	2004-01-01	—	1995-01-01	—
	Nauru	—	—	—	—	—
	Nepal	2001-06-22	—	—	2004-04-23	—
	Netherlands	1884-07-07[g]	1979-07-10[g]	1987-07-02[g]	1995-01-01[g]	2010-10-27[h]
	New Zealand	1931-07-29[i]	1992-12-01	2019-03-17	1995-01-01	—
	Nicaragua	1996-07-03	2003-03-06	2006-08-10	1995-09-03	—
	Niger	1964-07-05	1993-03-21	—	1996-12-13	—
	Nigeria	1963-09-02	2005-05-08	—	1995-01-01	2005-04-28
	North Macedonia	1991-09-08	1995-08-10	2002-08-30	2003-04-04	2010-04-22
	Norway	1885-07-01	1980-01-01	1986-01-01	1995-01-01	—
	Oman	1999-07-14	2001-10-26	2007-10-16	2000-11-09	2007-10-16
	Pakistan	2004-07-22	—	—	1995-01-01	—
	Palau	—	—	—	—	—
	Panama	1996-10-19	2012-09-07	2012-09-07	1997-09-06	—
	Papua New Guinea	1999-06-15	2003-06-14	—	1996-06-09	—
	Paraguay	1994-05-28	—	—	1995-01-01	—
	Peru	1995-04-11	2009-06-06	2009-01-20	1995-01-01	—
	Philippines	1965-09-27	2001-08-17	1981-10-21	1995-01-01	—
	Poland	1919-11-10	1990-12-25	1993-09-22	1995-07-01	—
	Portugal	1884-07-07	1992-11-24	1997-10-16	1995-01-01	—
	Qatar	2000-07-05	2011-08-03	2014-03-06	1996-01-13	—
	Romania	1920-10-06	1979-07-23	1999-09-25	1995-01-01	2005-04-28
	Russian Federation	1965-07-01[a]	1978-03-29[a]	1981-04-22[a]	2012-08-22	2009-08-12
	Rwanda	1984-03-01	2011-08-31	—	1996-05-22	—
	Saint Kitts and Nevis	1995-04-09	2005-10-27	—	1996-02-21	—
	Saint Lucia	1995-06-09	1996-10-30	—	1995-01-01	—
	St. Vincent & Grenadines	1995-08-29	2002-08-06	—	1995-01-01	—
	Samoa	2013-09-21	2020-01-02	—	2012-05-10	—
	San Marino	1960-03-04	2004-12-14	—	—	—
	São Tomé and Príncipe	1998-05-12	2008-07-03	—	—	—
	Saudi Arabia	2004-03-11	2013-08-03	2021-01-16	2005-12-11	2013-08-03
	Senegal	1963-12-21	1978-01-24	—	1995-01-01	—
	Serbia	1992-04-27[j]	1997-01-02[j]	1994-02-25[j]	—	2010-10-20
	Seychelles	2002-11-07	2002-11-07	—	—	—
	Sierra Leone	1997-06-17	1997-06-17	—	1995-07-23	—
	Singapore	1995-02-23	1995-02-23	1995-02-23	1995-01-01	—
	Slovakia	1993-01-01	1993-01-01	1993-01-01	1995-01-01	2005-04-28
	Slovenia	1991-06-25	1994-03-01	1998-03-12	1995-07-30	2005-04-28
	Solomon Islands	—	—	—	1996-07-26	—
	Somalia	—	—	—	—	—
	South Africa	1947-12-01	1999-03-16	1997-07-14	1995-01-01	—
	South Sudan	—	—	—	—	—
	Spain	1884-07-07	1989-11-16	1981-03-19	1995-01-01	2013-11-06
	Sri Lanka	1952-12-29	1982-02-26	—	1995-01-01	—
	Sudan	1984-04-16	1984-04-16	—	—	—
	Suriname	1975-11-25	—	—	1995-01-01	—
	Sweden	1885-07-01	1978-05-17	1983-10-01	1995-01-01	2007-12-27
	Switzerland	1884-07-07	1978-01-24	1981-08-09	1995-07-01	2008-07-01
	Syria	1924-09-01	2003-06-26	—	—	—
	Taiwan (Republic of China)	—	—	—	2002-01-01	—
	Tajikistan	1991-12-25[a]	1991-12-25	1991-12-25	2013-03-02	—
	Tanzania	1963-06-16	1999-09-14	—	1995-01-01	—
	Thailand	2008-05-02	2009-09-24	—	1995-01-01	—
	Timor Leste	—	—	—	—	—
	Togo	1967-09-10	1978-01-24	—	1995-05-31	—
	Tonga	2001-06-14	—	—	2007-07-27	—
	Trinidad and Tobago	1964-08-01	1994-03-10	1994-03-10	1995-03-01	—
	Tunisia	1884-07-07	2001-12-10	2004-05-23	1995-03-29	—
	Turkey	1925-10-10	1996-01-01	1998-11-30	1995-03-26	—
	Turkmenistan	1991-12-25[a]	1991-12-25	—	—	—
	Tuvalu	—	—	—	—	—
	Uganda	1965-06-14	1995-02-09	—	1995-01-01	—
	Ukraine	1991-12-25[a]	1991-12-25	1997-07-02	2008-05-16	2005-04-28
	United Arab Emirates	1996-09-19	1999-03-10	2021-05-17	1996-04-10	—
	United Kingdom	1884-07-07[k]	1978-01-24[l]	1980-12-29[m]	1995-01-01[n]	2006-03-22[n]
	United States of America	1887-05-30	1978-01-24	1980-08-19	1995-01-01	2013-12-18
	Uruguay	1967-03-18	—	—	1995-01-01	—
	Uzbekistan	1991-12-25[a]	1991-12-25	2002-01-12	—	2006-07-19
	Vanuatu	—	—	—	2012-08-24	—
	Holy See (Vatican City)	1960-09-29	—	—	—	—
	Venezuela	1995-09-12	—	—	1995-01-01	—
	Vietnam	1949-03-08	1993-03-10	2021-06-01	2007-01-11	—
	Yemen	2007-02-15	—	—	—	—
	Zambia	1965-04-06	2001-11-15	—	1995-01-01	—
	Zimbabwe	1980-04-18	1997-06-11	—	1995-03-05	—

Notes

1. Ratification as the Soviet Union; states except Russian Federation declared continue application during the dissolution of the USSR
2. Ratification as Austria-Hungary
3. Estonia was a member of the Paris Convention from 1924-02-12. However, it lost its independence on 1940-08-06.
4. Ratification of China extended to Hong Kong
5. Latvia was a member of the Paris Convention from 1925-08-20. However, it lost its independence on 1940-07-21.
6. Ratification of China extended to Macao
7. Valid in all countries in the Kingdom: Aruba, Curaçao, Netherlands and Sint Maarten
8. Valid in all countries in the Kingdom, except Aruba
9. Extended to the Cook Islands, Niue and Tokelau
10. Ratification as Serbia and Montenegro
11. Extended to the Isle of Man (1983), Guernsey (from November 2020), Bailiwick of Jersey (from November 2020) and Gibraltar (from January 2021).^[10]
12. Extended to the Isle of Man (from 29 October 1983^[11]), Hong Kong (1981-1997), Gibraltar (from 1 January 2021)^[12] and Guernsey (from 23 March 2021)
13. Extended to Guernsey, the Isle of Man and Gibraltar from 1 January 2021.
14. Extended to the Isle of Man

See also

• African Regional Intellectual Property Organization (ARIPO)
• Eurasian Patent Organization (EAPO)
• European Patent Organisation (EPO)
• World Intellectual Property Organization (WIPO)
• World Trade Organization (WTO)
• List of parties to international copyright treaties
• List of parties to international related rights treaties