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WIPO-Administered Treaties

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Contracting Parties Patent Law Treaty (Total Members: 43)
Member Signature Instrument In Force Details
Albania
Accession: February 17, 2010
May 17, 2010
Algeria
June 2, 2000
Antigua and Barbuda
Accession: March 25, 2019
June 25, 2019
Armenia
Accession: June 17, 2013
September 17, 2013
Australia
Accession: December 16, 2008
March 16, 2009
Austria
June 2, 2000
Bahrain
Accession: September 15, 2005
December 15, 2005
Belarus
Accession: July 21, 2016
October 21, 2016
Belgium
June 2, 2000
Bosnia and Herzegovina
Accession: February 9, 2012
May 9, 2012
Brazil
June 2, 2000
Burkina Faso
May 11, 2001
Burundi
June 2, 2000
Canada
May 21, 2001
Ratification: July 30, 2019
October 30, 2019
Côte d'Ivoire
July 20, 2000
Croatia
June 2, 2000
Ratification: December 20, 2004
April 28, 2005
Cuba
June 2, 2000
Czech Republic
June 2, 2000
Democratic People's Republic of Korea
June 2, 2000
Ratification: May 22, 2018
August 22, 2018
Denmark
June 2, 2000
Ratification: March 16, 2004
April 28, 2005
Estonia
June 2, 2000
Ratification: April 14, 2003
April 28, 2005
Eswatini
June 2, 2000
Details
European Patent Organisation (EPO)
May 17, 2001
Finland
Accession: December 6, 2005
March 6, 2006
France
September 14, 2000
Ratification: October 5, 2009
January 5, 2010
Gambia (the)
June 2, 2000
Germany
May 29, 2001
Ghana
June 2, 2000
Greece
June 2, 2000
Haiti
June 2, 2000
Hungary
June 2, 2000
Ratification: December 12, 2007
March 12, 2008
Ireland
May 31, 2001
Ratification: February 27, 2012
May 27, 2012
Israel
June 2, 2000
Italy
June 2, 2000
Japan
Accession: March 11, 2016
June 11, 2016
Kazakhstan
Accession: July 19, 2011
October 19, 2011
Details
Kenya
June 2, 2000
Kyrgyzstan
June 2, 2000
Ratification: April 24, 2002
April 28, 2005
Latvia
June 2, 2000
Ratification: March 12, 2010
June 12, 2010
Lebanon
June 2, 2000
Liberia
June 2, 2000
Ratification: October 4, 2016
January 4, 2017
Liechtenstein
Accession: September 18, 2009
December 18, 2009
Lithuania
Accession: November 3, 2011
February 3, 2012
Luxembourg
June 2, 2000
Madagascar
June 2, 2000
Malawi
June 2, 2000
Monaco
June 28, 2000
Montenegro
Accession: December 9, 2011
March 9, 2012
Netherlands (Kingdom of the)
May 31, 2001
Ratification: September 27, 2010
December 27, 2010
Nigeria
June 2, 2000
Ratification: December 19, 2002
April 28, 2005
North Macedonia
Accession: January 22, 2010
April 22, 2010
Oman
Accession: July 16, 2007
October 16, 2007
Poland
June 2, 2000
Portugal
June 2, 2000
Republic of Moldova
June 2, 2000
Ratification: September 27, 2001
April 28, 2005
Romania
June 2, 2000
Ratification: January 28, 2005
April 28, 2005
Russian Federation
Accession: May 12, 2009
August 12, 2009
Details
San Marino
October 10, 2000
Sao Tome and Principe
June 2, 2000
Saudi Arabia
Accession: May 3, 2013
August 3, 2013
Serbia
Accession: May 20, 2010
August 20, 2010
Slovakia
Accession: July 16, 2002
April 28, 2005
Slovenia
June 2, 2000
Ratification: May 8, 2002
April 28, 2005
Spain
June 2, 2000
Ratification: August 6, 2013
November 6, 2013
Sudan
June 2, 2000
Sweden
May 17, 2001
Ratification: September 27, 2007
December 27, 2007
Switzerland
June 2, 2000
Ratification: March 31, 2008
July 1, 2008
Togo
June 2, 2000
Türkiye
June 2, 2000
Turkmenistan
Accession: April 19, 2021
July 19, 2021
Uganda
June 2, 2000
Ukraine
Accession: March 31, 2003
April 28, 2005
United Kingdom
June 2, 2000
Ratification: December 22, 2005
March 22, 2006
Details
United States of America
June 2, 2000
Ratification: September 18, 2013
December 18, 2013
Details
Uzbekistan
Accession: April 19, 2006
July 19, 2006
Zambia
June 2, 2000