World Intellectual Property Organization

WIPO-Administered Treaties

Contracting Parties > Patent Cooperation Treaty (Total Contracting Parties : 148)

Contracting PartySignatureInstrumentIn ForceDetails
Albania Accession: July 4, 1995October 4, 1995 
AlgeriaJune 19, 1970Ratification: December 8, 1999March 8, 2000Details
Angola Accession: September 27, 2007December 27, 2007 
Antigua and Barbuda Accession: December 17, 1999March 17, 2000 
ArgentinaDecember 21, 1970   
Armenia Declaration of Continued Application: May 17, 1994December 25, 1991Details
Australia Accession: December 31, 1979March 31, 1980 
AustriaDecember 22, 1970Ratification: January 23, 1979April 23, 1979 
Azerbaijan Accession: September 25, 1995December 25, 1995 
Bahrain Accession: December 18, 2006March 18, 2007Details
Barbados Accession: December 12, 1984March 12, 1985 
Belarus Declaration of Continued Application: April 14, 1993December 25, 1991Details
BelgiumDecember 30, 1970Ratification: September 14, 1981December 14, 1981 
Belize Accession: March 17, 2000June 17, 2000 
Benin Accession: November 26, 1986February 26, 1987 
Bosnia and Herzegovina Accession: June 7, 1996September 7, 1996 
Botswana Accession: July 29, 2003October 30, 2003 
BrazilJune 19, 1970Ratification: January 9, 1978April 9, 1978 
Brunei Darussalam Accession: April 24, 2012July 24, 2012 
Bulgaria Accession: February 21, 1984May 21, 1984Details
Burkina Faso Accession: December 21, 1988March 21, 1989 
Cameroon Accession: March 15, 1973January 24, 1978 
CanadaJune 19, 1970Ratification: October 2, 1989January 2, 1990 
Central African Republic Accession: September 15, 1971January 24, 1978 
Chad Accession: February 12, 1974January 24, 1978 
Chile Accession: March 2, 2009June 2, 2009Details
China Accession: October 1, 1993January 1, 1994Details
Colombia Accession: November 29, 2000February 28, 2001 
Comoros Accession: January 3, 2005April 3, 2005 
Congo Accession: August 8, 1977January 24, 1978 
Costa Rica Accession: May 3, 1999August 3, 1999 
Côte d'IvoireDecember 3, 1970Ratification: January 31, 1991April 30, 1991 
Croatia Ratification: April 1, 1998July 1, 1998Details
Cuba Accession: April 16, 1996July 16, 1996Details
Cyprus Accession: January 1, 1998April 1, 1998 
Czech Republic Declaration of Continued Application: December 18, 1992January 1, 1993Details
Democratic People's Republic of Korea Accession: April 8, 1980July 8, 1980 
DenmarkJune 19, 1970Ratification: September 1, 1978December 1, 1978Details
Dominica Accession: May 7, 1999August 7, 1999 
Dominican Republic Accession: February 28, 2007May 28, 2007 
Ecuador Accession: February 7, 2001May 7, 2001 
EgyptJune 19, 1970Ratification: June 6, 2003September 6, 2003Details
El Salvador Accession: May 17, 2006August 17, 2006 
Equatorial Guinea Accession: April 17, 2001July 17, 2001 
Estonia Accession: May 24, 1994August 24, 1994 
FinlandJune 19, 1970Ratification: July 1, 1980October 1, 1980Details
FranceDecember 31, 1970Ratification: November 25, 1977February 25, 1978Details
Gabon Accession: March 6, 1975January 24, 1978 
Gambia Accession: September 9, 1997December 9, 1997 
Georgia Declaration of Continued Application: January 18, 1994December 25, 1991Details
GermanyJune 19, 1970Ratification: July 19, 1976January 24, 1978Details
Ghana Accession: November 26, 1996February 26, 1997 
Greece Accession: July 9, 1990October 9, 1990Details
Grenada Accession: June 22, 1998September 22, 1998 
Guatemala Accession: July 14, 2006October 14, 2006 
Guinea Accession: February 27, 1991May 27, 1991 
Guinea-Bissau Accession: September 12, 1997December 12, 1997 
Holy SeeJune 19, 1970   
Honduras Accession: March 20, 2006June 20, 2006 
HungaryJune 19, 1970Ratification: March 27, 1980June 27, 1980Details
Iceland Accession: December 23, 1994March 23, 1995 
India Accession: September 7, 1998December 7, 1998Details
Indonesia Accession: June 5, 1997September 5, 1997Details
Iran (Islamic Republic of)July 7, 1970Ratification: July 4, 2013October 4, 2013Details
IrelandJune 19, 1970Ratification: May 1, 1992August 1, 1992 
IsraelJune 19, 1970Ratification: March 1, 1996June 1, 1996 
ItalyJune 19, 1970Ratification: December 28, 1984March 28, 1985 
JapanJune 19, 1970Ratification: July 1, 1978October 1, 1978Details
Kazakhstan Declaration of Continued Application: February 16, 1993December 25, 1991Details
Kenya Accession: March 8, 1994June 8, 1994 
Kyrgyzstan Declaration of Continued Application: February 14, 1994December 25, 1991Details
Lao People's Democratic Republic Accession: March 14, 2006June 14, 2006Details
Latvia Accession: June 7, 1993September 7, 1993 
Lesotho Accession: July 21, 1995October 21, 1995 
Liberia Accession: May 27, 1994August 27, 1994 
Libya Accession: June 15, 2005September 15, 2005Details
Liechtenstein Accession: December 19, 1979March 19, 1980Details
Lithuania Accession: April 5, 1994July 5, 1994 
LuxembourgDecember 30, 1970Ratification: January 31, 1978April 30, 1978Details
MadagascarDecember 10, 1970Ratification: March 27, 1972January 24, 1978 
Malawi Accession: May 16, 1972January 24, 1978 
Malaysia Accession: May 16, 2006August 16, 2006Details
Mali Accession: July 19, 1984October 19, 1984 
Malta Accession: December 1, 2006March 1, 2007Details
Mauritania Accession: January 13, 1983April 13, 1983 
Mexico Accession: October 1, 1994January 1, 1995 
MonacoDecember 31, 1970Ratification: March 22, 1979June 22, 1979 
Mongolia Accession: February 27, 1991May 27, 1991Details
Montenegro Declaration of Continued Application: December 4, 2006June 3, 2006Details
Morocco Accession: July 8, 1999October 8, 1999 
Mozambique Accession: February 18, 2000May 18, 2000Details
Namibia Accession: October 1, 2003January 1, 2004 
NetherlandsDecember 31, 1970Ratification: April 10, 1979July 10, 1979Details
New Zealand Accession: September 1, 1992December 1, 1992 
Nicaragua Accession: December 6, 2002March 6, 2003 
Niger Accession: December 21, 1992March 21, 1993 
Nigeria Accession: February 8, 2005May 8, 2005 
NorwayJune 19, 1970Ratification: October 1, 1979January 1, 1980Details
Oman Accession: July 26, 2001October 26, 2001Details
Panama Accession: June 7, 2012September 7, 2012 
Papua New Guinea Accession: March 14, 2003June 14, 2003 
Peru Accession: March 6, 2009June 6, 2009 
PhilippinesJune 19, 1970Ratification: May 17, 2001August 17, 2001 
Poland Accession: September 25, 1990December 25, 1990Details
Portugal Accession: August 24, 1992November 24, 1992 
Qatar Accession: May 3, 2011August 3, 2011Details
Republic of Korea Accession: May 10, 1984August 10, 1984Details
Republic of Moldova Declaration of Continued Application: February 14, 1994December 25, 1991Details
RomaniaDecember 28, 1970Ratification: April 23, 1979July 23, 1979Details
Russian FederationDecember 23, 1970Ratification: December 29, 1977March 29, 1978Details
Rwanda Accession: May 31, 2011August 31, 2011 
Saint Kitts and Nevis Accession: July 27, 2005October 27, 2005 
Saint Lucia Accession: May 30, 1996August 30, 1996Details
Saint Vincent and the Grenadines Accession: May 6, 2002August 6, 2002Details
San Marino Accession: September 14, 2004December 14, 2004 
Sao Tome and Principe Accession: April 3, 2008July 3, 2008 
Saudi Arabia Accession: May 3, 2013August 3, 2013 
SenegalDecember 29, 1970Ratification: March 8, 1972January 24, 1978 
SerbiaJune 19, 1970Ratification: November 1, 1996February 1, 1997Details
Seychelles Accession: August 7, 2002November 7, 2002 
Sierra Leone Accession: March 17, 1997June 17, 1997 
Singapore Accession: November 23, 1994February 23, 1995 
Slovakia Declaration of Continued Application: December 30, 1992January 1, 1993Details
Slovenia Accession: December 1, 1993March 1, 1994 
South Africa Accession: December 16, 1998March 16, 1999Details
Spain Accession: August 16, 1989November 16, 1989Details
Sri Lanka Accession: November 26, 1981February 26, 1982 
Sudan Accession: January 16, 1984April 16, 1984 
Swaziland Accession: June 20, 1994September 20, 1994 
SwedenJune 19, 1970Ratification: February 17, 1978May 17, 1978Details
SwitzerlandJune 19, 1970Ratification: September 14, 1977January 24, 1978Details
Syrian Arab RepublicDecember 29, 1970Ratification: March 26, 2003June 26, 2003 
Tajikistan Declaration of Continued Application: February 14, 1994December 25, 1991Details
Thailand Accession: September 24, 2009December 24, 2009Details
the former Yugoslav Republic of Macedonia Accession: May 10, 1995August 10, 1995 
TogoDecember 23, 1970Ratification: January 28, 1975January 24, 1978 
Trinidad and Tobago Accession: December 10, 1993March 10, 1994 
Tunisia Accession: September 10, 2001December 10, 2001Details
Turkey Accession: October 1, 1995January 1, 1996 
Turkmenistan Declaration of Continued Application: March 1, 1995December 25, 1991Details
Uganda Accession: November 9, 1994February 9, 1995 
Ukraine Declaration of Continued Application: September 21, 1992December 25, 1991Details
United Arab Emirates Accession: December 10, 1998March 10, 1999 
United KingdomJune 19, 1970Ratification: October 24, 1977January 24, 1978Details
United Republic of Tanzania Accession: June 14, 1999September 14, 1999 
United States of AmericaJune 19, 1970Ratification: November 26, 1975January 24, 1978Details
Uzbekistan Declaration of Continued Application: August 18, 1993December 25, 1991Details
Viet Nam Accession: December 10, 1992March 10, 1993 
Zambia Accession: August 15, 2001November 15, 2001 
Zimbabwe Accession: March 11, 1997June 11, 1997 

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