| Contracting Party |
Treaty |
Status |
Entry into Force |
Details |
| Albania |
Patent Cooperation Treaty |
In Force |
October 4, 1995 |
Details |
| Algeria |
Patent Cooperation Treaty |
In Force |
March 8, 2000 |
Details |
| Angola |
Patent Cooperation Treaty |
In Force |
December 27, 2007 |
Details |
| Antigua and Barbuda |
Patent Cooperation Treaty |
In Force |
March 17, 2000 |
Details |
| Argentina |
Patent Cooperation Treaty |
Signature |
|
Details |
| Armenia |
Patent Cooperation Treaty |
In Force |
December 25, 1991 |
Details |
| Australia |
Patent Cooperation Treaty |
In Force |
March 31, 1980 |
Details |
| Austria |
Patent Cooperation Treaty |
In Force |
April 23, 1979 |
Details |
| Azerbaijan |
Patent Cooperation Treaty |
In Force |
December 25, 1995 |
Details |
| Bahrain |
Patent Cooperation Treaty |
In Force |
March 18, 2007 |
Details |
| Barbados |
Patent Cooperation Treaty |
In Force |
March 12, 1985 |
Details |
| Belarus |
Patent Cooperation Treaty |
In Force |
December 25, 1991 |
Details |
| Belgium |
Patent Cooperation Treaty |
In Force |
December 14, 1981 |
Details |
| Belize |
Patent Cooperation Treaty |
In Force |
June 17, 2000 |
Details |
| Benin |
Patent Cooperation Treaty |
In Force |
February 26, 1987 |
Details |
| Bosnia and Herzegovina |
Patent Cooperation Treaty |
In Force |
September 7, 1996 |
Details |
| Botswana |
Patent Cooperation Treaty |
In Force |
October 30, 2003 |
Details |
| Brazil |
Patent Cooperation Treaty |
In Force |
April 9, 1978 |
Details |
| Bulgaria |
Patent Cooperation Treaty |
In Force |
May 21, 1984 |
Details |
| Burkina Faso |
Patent Cooperation Treaty |
In Force |
March 21, 1989 |
Details |
| Cameroon |
Patent Cooperation Treaty |
In Force |
January 24, 1978 |
Details |
| Canada |
Patent Cooperation Treaty |
In Force |
January 2, 1990 |
Details |
| Central African Republic |
Patent Cooperation Treaty |
In Force |
January 24, 1978 |
Details |
| Chad |
Patent Cooperation Treaty |
In Force |
January 24, 1978 |
Details |
| Chile |
Patent Cooperation Treaty |
In Force |
June 2, 2009 |
Details |
| China |
Patent Cooperation Treaty |
In Force |
January 1, 1994 |
Details |
| Colombia |
Patent Cooperation Treaty |
In Force |
February 28, 2001 |
Details |
| Comoros |
Patent Cooperation Treaty |
In Force |
April 3, 2005 |
Details |
| Congo |
Patent Cooperation Treaty |
In Force |
January 24, 1978 |
Details |
| Costa Rica |
Patent Cooperation Treaty |
In Force |
August 3, 1999 |
Details |
| Côte d'Ivoire |
Patent Cooperation Treaty |
In Force |
April 30, 1991 |
Details |
| Croatia |
Patent Cooperation Treaty |
In Force |
July 1, 1998 |
Details |
| Cuba |
Patent Cooperation Treaty |
In Force |
July 16, 1996 |
Details |
| Cyprus |
Patent Cooperation Treaty |
In Force |
April 1, 1998 |
Details |
| Czech Republic |
Patent Cooperation Treaty |
In Force |
January 1, 1993 |
Details |
| Democratic People's Republic of Korea |
Patent Cooperation Treaty |
In Force |
July 8, 1980 |
Details |
| Denmark |
Patent Cooperation Treaty |
In Force |
December 1, 1978 |
Details |
| Dominica |
Patent Cooperation Treaty |
In Force |
August 7, 1999 |
Details |
| Dominican Republic |
Patent Cooperation Treaty |
In Force |
May 28, 2007 |
Details |
| Ecuador |
Patent Cooperation Treaty |
In Force |
May 7, 2001 |
Details |
| Egypt |
Patent Cooperation Treaty |
In Force |
September 6, 2003 |
Details |
| El Salvador |
Patent Cooperation Treaty |
In Force |
August 17, 2006 |
Details |
| Equatorial Guinea |
Patent Cooperation Treaty |
In Force |
July 17, 2001 |
Details |
| Estonia |
Patent Cooperation Treaty |
In Force |
August 24, 1994 |
Details |
| Finland |
Patent Cooperation Treaty |
In Force |
October 1, 1980 |
Details |
| France |
Patent Cooperation Treaty |
In Force |
February 25, 1978 |
Details |
| Gabon |
Patent Cooperation Treaty |
In Force |
January 24, 1978 |
Details |
| Gambia |
Patent Cooperation Treaty |
In Force |
December 9, 1997 |
Details |
| Georgia |
Patent Cooperation Treaty |
In Force |
December 25, 1991 |
Details |
| Germany |
Patent Cooperation Treaty |
In Force |
January 24, 1978 |
Details |
| Ghana |
Patent Cooperation Treaty |
In Force |
February 26, 1997 |
Details |
| Greece |
Patent Cooperation Treaty |
In Force |
October 9, 1990 |
Details |
| Grenada |
Patent Cooperation Treaty |
In Force |
September 22, 1998 |
Details |
| Guatemala |
Patent Cooperation Treaty |
In Force |
October 14, 2006 |
Details |
| Guinea |
Patent Cooperation Treaty |
In Force |
May 27, 1991 |
Details |
| Guinea-Bissau |
Patent Cooperation Treaty |
In Force |
December 12, 1997 |
Details |
| Holy See |
Patent Cooperation Treaty |
Signature |
|
Details |
| Honduras |
Patent Cooperation Treaty |
In Force |
June 20, 2006 |
Details |
| Hungary |
Patent Cooperation Treaty |
In Force |
June 27, 1980 |
Details |
| Iceland |
Patent Cooperation Treaty |
In Force |
March 23, 1995 |
Details |
| India |
Patent Cooperation Treaty |
In Force |
December 7, 1998 |
Details |
| Indonesia |
Patent Cooperation Treaty |
In Force |
September 5, 1997 |
Details |
| Iran (Islamic Republic of) |
Patent Cooperation Treaty |
Signature |
|
Details |
| Ireland |
Patent Cooperation Treaty |
In Force |
August 1, 1992 |
Details |
| Israel |
Patent Cooperation Treaty |
In Force |
June 1, 1996 |
Details |
| Italy |
Patent Cooperation Treaty |
In Force |
March 28, 1985 |
Details |
| Japan |
Patent Cooperation Treaty |
In Force |
October 1, 1978 |
Details |
| Kazakhstan |
Patent Cooperation Treaty |
In Force |
December 25, 1991 |
Details |
| Kenya |
Patent Cooperation Treaty |
In Force |
June 8, 1994 |
Details |
| Kyrgyzstan |
Patent Cooperation Treaty |
In Force |
December 25, 1991 |
Details |
| Lao People's Democratic Republic |
Patent Cooperation Treaty |
In Force |
June 14, 2006 |
Details |
| Latvia |
Patent Cooperation Treaty |
In Force |
September 7, 1993 |
Details |
| Lesotho |
Patent Cooperation Treaty |
In Force |
October 21, 1995 |
Details |
| Liberia |
Patent Cooperation Treaty |
In Force |
August 27, 1994 |
Details |
| Libyan Arab Jamahiriya |
Patent Cooperation Treaty |
In Force |
September 15, 2005 |
Details |
| Liechtenstein |
Patent Cooperation Treaty |
In Force |
March 19, 1980 |
Details |
| Lithuania |
Patent Cooperation Treaty |
In Force |
July 5, 1994 |
Details |
| Luxembourg |
Patent Cooperation Treaty |
In Force |
April 30, 1978 |
Details |
| Madagascar |
Patent Cooperation Treaty |
In Force |
January 24, 1978 |
Details |
| Malawi |
Patent Cooperation Treaty |
In Force |
January 24, 1978 |
Details |
| Malaysia |
Patent Cooperation Treaty |
In Force |
August 16, 2006 |
Details |
| Mali |
Patent Cooperation Treaty |
In Force |
October 19, 1984 |
Details |
| Malta |
Patent Cooperation Treaty |
In Force |
March 1, 2007 |
Details |
| Mauritania |
Patent Cooperation Treaty |
In Force |
April 13, 1983 |
Details |
| Mexico |
Patent Cooperation Treaty |
In Force |
January 1, 1995 |
Details |
| Monaco |
Patent Cooperation Treaty |
In Force |
June 22, 1979 |
Details |
| Mongolia |
Patent Cooperation Treaty |
In Force |
May 27, 1991 |
Details |
| Montenegro |
Patent Cooperation Treaty |
In Force |
June 3, 2006 |
Details |
| Morocco |
Patent Cooperation Treaty |
In Force |
October 8, 1999 |
Details |
| Mozambique |
Patent Cooperation Treaty |
In Force |
May 18, 2000 |
Details |
| Namibia |
Patent Cooperation Treaty |
In Force |
January 1, 2004 |
Details |
| Netherlands |
Patent Cooperation Treaty |
In Force |
July 10, 1979 |
Details |
| New Zealand |
Patent Cooperation Treaty |
In Force |
December 1, 1992 |
Details |
| Nicaragua |
Patent Cooperation Treaty |
In Force |
March 6, 2003 |
Details |
| Niger |
Patent Cooperation Treaty |
In Force |
March 21, 1993 |
Details |
| Nigeria |
Patent Cooperation Treaty |
In Force |
May 8, 2005 |
Details |
| Norway |
Patent Cooperation Treaty |
In Force |
January 1, 1980 |
Details |
| Oman |
Patent Cooperation Treaty |
In Force |
October 26, 2001 |
Details |
| Papua New Guinea |
Patent Cooperation Treaty |
In Force |
June 14, 2003 |
Details |
| Peru |
Patent Cooperation Treaty |
In Force |
June 6, 2009 |
Details |
| Philippines |
Patent Cooperation Treaty |
In Force |
August 17, 2001 |
Details |
| Poland |
Patent Cooperation Treaty |
In Force |
December 25, 1990 |
Details |
| Portugal |
Patent Cooperation Treaty |
In Force |
November 24, 1992 |
Details |
| Republic of Korea |
Patent Cooperation Treaty |
In Force |
August 10, 1984 |
Details |
| Republic of Moldova |
Patent Cooperation Treaty |
In Force |
December 25, 1991 |
Details |
| Romania |
Patent Cooperation Treaty |
In Force |
July 23, 1979 |
Details |
| Russian Federation |
Patent Cooperation Treaty |
In Force |
March 29, 1978 |
Details |
| Saint Kitts and Nevis |
Patent Cooperation Treaty |
In Force |
October 27, 2005 |
Details |
| Saint Lucia |
Patent Cooperation Treaty |
In Force |
August 30, 1996 |
Details |
| Saint Vincent and the Grenadines |
Patent Cooperation Treaty |
In Force |
August 6, 2002 |
Details |
| San Marino |
Patent Cooperation Treaty |
In Force |
December 14, 2004 |
Details |
| Sao Tome and Principe |
Patent Cooperation Treaty |
In Force |
July 3, 2008 |
Details |
| Senegal |
Patent Cooperation Treaty |
In Force |
January 24, 1978 |
Details |
| Serbia |
Patent Cooperation Treaty |
In Force |
February 1, 1997 |
Details |
| Seychelles |
Patent Cooperation Treaty |
In Force |
November 7, 2002 |
Details |
| Sierra Leone |
Patent Cooperation Treaty |
In Force |
June 17, 1997 |
Details |
| Singapore |
Patent Cooperation Treaty |
In Force |
February 23, 1995 |
Details |
| Slovakia |
Patent Cooperation Treaty |
In Force |
January 1, 1993 |
Details |
| Slovenia |
Patent Cooperation Treaty |
In Force |
March 1, 1994 |
Details |
| South Africa |
Patent Cooperation Treaty |
In Force |
March 16, 1999 |
Details |
| Spain |
Patent Cooperation Treaty |
In Force |
November 16, 1989 |
Details |
| Sri Lanka |
Patent Cooperation Treaty |
In Force |
February 26, 1982 |
Details |
| Sudan |
Patent Cooperation Treaty |
In Force |
April 16, 1984 |
Details |
| Swaziland |
Patent Cooperation Treaty |
In Force |
September 20, 1994 |
Details |
| Sweden |
Patent Cooperation Treaty |
In Force |
May 17, 1978 |
Details |
| Switzerland |
Patent Cooperation Treaty |
In Force |
January 24, 1978 |
Details |
| Syrian Arab Republic |
Patent Cooperation Treaty |
In Force |
June 26, 2003 |
Details |
| Tajikistan |
Patent Cooperation Treaty |
In Force |
December 25, 1991 |
Details |
| Thailand |
Patent Cooperation Treaty |
In Force |
December 24, 2009 |
Details |
| The former Yugoslav Republic of Macedonia |
Patent Cooperation Treaty |
In Force |
August 10, 1995 |
Details |
| Togo |
Patent Cooperation Treaty |
In Force |
January 24, 1978 |
Details |
| Trinidad and Tobago |
Patent Cooperation Treaty |
In Force |
March 10, 1994 |
Details |
| Tunisia |
Patent Cooperation Treaty |
In Force |
December 10, 2001 |
Details |
| Turkey |
Patent Cooperation Treaty |
In Force |
January 1, 1996 |
Details |
| Turkmenistan |
Patent Cooperation Treaty |
In Force |
December 25, 1991 |
Details |
| Uganda |
Patent Cooperation Treaty |
In Force |
February 9, 1995 |
Details |
| Ukraine |
Patent Cooperation Treaty |
In Force |
December 25, 1991 |
Details |
| United Arab Emirates |
Patent Cooperation Treaty |
In Force |
March 10, 1999 |
Details |
| United Kingdom |
Patent Cooperation Treaty |
In Force |
January 24, 1978 |
Details |
| United Republic of Tanzania |
Patent Cooperation Treaty |
In Force |
September 14, 1999 |
Details |
| United States of America |
Patent Cooperation Treaty |
In Force |
January 24, 1978 |
Details |
| Uzbekistan |
Patent Cooperation Treaty |
In Force |
December 25, 1991 |
Details |
| Viet Nam |
Patent Cooperation Treaty |
In Force |
March 10, 1993 |
Details |
| Zambia |
Patent Cooperation Treaty |
In Force |
November 15, 2001 |
Details |
| Zimbabwe |
Patent Cooperation Treaty |
In Force |
June 11, 1997 |
Details |
