Patent Law Treaty
PartiesParties with a link have a reservation.
| Party | Signature | RatificationS=Signature without reservation or requirement of ratification R=Ratification, Acceptance, Approval or Notification A=Accession Su=Succession NK=Not Known | Entry into force | Renunciation | Termination |
|---|---|---|---|---|---|
| Albania | 17-02-2010 (A) | 17-05-2010 | |||
| Algeria | 02-06-2000 | ||||
| Antigua and Barbuda | 25-03-2019 (A) | 25-06-2019 | |||
| Armenia | 17-06-2013 (A) | 17-09-2013 | |||
| Australia | 16-12-2008 (A) | 16-03-2009 | |||
| Austria | 02-06-2000 | ||||
| Bahrain | 15-09-2005 (A) | 15-12-2005 | |||
| Belarus | 21-07-2016 (A) | 21-10-2016 | |||
| Belgium | 02-06-2000 | ||||
| Bosnia and Herzegovina | 09-02-2012 (A) | 09-05-2012 | |||
| Brazil | 02-06-2000 | ||||
| Burkina Faso | 11-05-2001 | ||||
| Burundi | 02-06-2000 | ||||
| Canada | 21-05-2001 | 30-07-2019 (R) | 30-10-2019 | ||
| Côte d'Ivoire | 20-07-2000 | ||||
| Croatia | 02-06-2000 | 20-12-2004 (R) | 28-04-2005 | ||
| Cuba | 02-06-2000 | ||||
| Czech Republic | 02-06-2000 | ||||
| Democratic People's Republic of Korea | 02-06-2000 | 22-05-2018 (R) | 22-08-2018 | ||
| Denmark | 02-06-2000 | 16-03-2004 (R) | 28-04-2005 | ||
| EPO (European Patent Organisation) | 17-05-2001 | ||||
| Estonia | 02-06-2000 | 14-04-2003 (R) | 28-04-2005 | ||
| Eswatini | 02-06-2000 | ||||
| Finland | 06-12-2005 (A) | 06-03-2006 | |||
| France | 14-09-2000 | 05-10-2009 (R) | 05-01-2010 | ||
| Gambia, The | 02-06-2000 | ||||
| Germany | 29-05-2001 | ||||
| Ghana | 02-06-2000 | ||||
| Greece | 02-06-2000 | ||||
| Haïti | 02-06-2000 | ||||
| Hungary | 02-06-2000 | 12-12-2007 (R) | 12-03-2008 | ||
| Ireland | 31-05-2001 | 27-02-2012 (R) | 27-05-2012 | ||
| Israel | 02-06-2000 | ||||
| Italy | 02-06-2000 | ||||
| Japan | 11-03-2016 (A) | 11-06-2016 | |||
| Kazakhstan | 19-07-2011 (A) | 19-10-2011 | |||
| Kenya | 02-06-2000 | ||||
| Kyrgyzstan | 02-06-2000 | 24-04-2002 (R) | 28-04-2005 | ||
| Latvia | 02-06-2000 | 12-03-2010 (R) | 12-06-2010 | ||
| Lebanon | 02-06-2000 | ||||
| Liberia | 02-06-2000 | 04-10-2016 (R) | 04-01-2017 | ||
| Liechtenstein | 18-09-2009 (A) | 18-12-2009 | |||
| Lithuania | 03-11-2011 (A) | 03-02-2012 | |||
| Luxembourg | 02-06-2000 | ||||
| Madagascar | 02-06-2000 | ||||
| Malawi | 02-06-2000 | ||||
| Moldova | 02-06-2000 | 27-09-2001 (R) | 28-04-2005 | ||
| Monaco | 28-06-2000 | ||||
| Montenegro | 09-12-2011 (A) | 09-03-2012 | |||
| Netherlands, the Kingdom of the | 31-05-2001 | 27-09-2010 (R) | 27-12-2010 | ||
| Nigeria | 02-06-2000 | 19-12-2002 (R) | 28-04-2005 | ||
| North Macedonia | 22-01-2010 (A) | 22-04-2010 | |||
| Oman | 16-07-2007 (A) | 16-10-2007 | |||
| Poland | 02-06-2000 | ||||
| Portugal | 02-06-2000 | ||||
| Romania | 02-06-2000 | 28-01-2005 (R) | 28-04-2005 | ||
| Russian Federation | 12-05-2009 (A) | 12-08-2009 | |||
| San Marino | 10-10-2000 | ||||
| São Tomé e Principe | 02-06-2000 | ||||
| Saudi Arabia | 03-05-2013 (A) | 03-08-2013 | |||
| Serbia | 20-05-2010 (A) | 20-08-2010 | |||
| Slovakia | 16-07-2002 (A) | 28-04-2005 | |||
| Slovenia | 02-06-2000 | 08-05-2002 (R) | 28-04-2005 | ||
| Spain | 02-06-2000 | 06-08-2013 (R) | 06-11-2013 | ||
| Sudan | 02-06-2000 | ||||
| Sweden | 17-05-2001 | 27-09-2007 (R) | 27-12-2007 | ||
| Switzerland | 02-06-2000 | 31-03-2008 (R) | 01-07-2008 | ||
| Togo | 02-06-2000 | ||||
| Türkiye | 02-06-2000 | ||||
| Turkmenistan | 19-04-2021 (A) | 19-07-2021 | |||
| Uganda | 02-06-2000 | ||||
| Ukraine | 31-03-2003 (A) | 28-04-2005 | |||
| United Kingdom | 02-06-2000 | 22-12-2005 (R) | 22-03-2006 | ||
| United States of America | 02-06-2000 | 18-09-2013 (R) | 18-12-2013 | ||
| Uzbekistan | 19-04-2006 (A) | 19-07-2006 | |||
| Zambia | 02-06-2000 |
Extensions
United Kingdom
| Extended to | Entry into force | Termination |
|---|---|---|
| Man, Isle of | 22-03-2006 |
Parties with reservations, declarations and objections
| Party | Reservations / Declarations | Objections |
|---|---|---|
| Kazakhstan | Yes | No |
| Russian Federation | Yes | No |
| United States of America | Yes | No |
Kazakhstan
19-07-2011
With the reservation under Article 23(1).
Russian Federation
12-05-2009
With the reservation under Article 23(1).
United States of America
18-09-2013
With the reservation under Article 23(1).