| Party | Signature | Provisional application |
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 | 19-06-2003 (A) | 19-09-2003 | ||||
| Antigua and Barbuda | 25-03-2019 (A) | 25-06-2019 | ||||
| ARIPO (African Regional Intellectual Property Organization) | 10-08-1998 (R) | 10-11-1998 | ||||
| Armenia | 06-12-2004 (A) | 06-03-2005 | ||||
| Australia | 07-04-1987 (A) | 07-07-1987 | ||||
| Austria | 22-12-1977 | 26-01-1984 (R) | 26-04-1984 | |||
| Azerbaijan | 14-07-2003 (A) | 14-10-2003 | ||||
| Bahamas | 03-06-2025 (A) | 03-09-2025 | ||||
| Bahrain | 20-08-2012 (A) | 20-11-2012 | ||||
| Belarus | 19-07-2001 (A) | 19-10-2001 | ||||
| Belgium | 15-09-1983 (A) | 15-12-1983 | ||||
| Bosnia and Herzegovina | 27-10-2008 (A) | 27-01-2009 | ||||
| Brazil | 20-10-2025 (A) | 20-01-2026 | ||||
| Brunei | 24-04-2012 (A) | 24-07-2012 | ||||
| Bulgaria | 28-04-1977 | 19-07-1978 (R) | 19-08-1980 | |||
| Canada | 21-06-1996 (A) | 21-09-1996 | ||||
| Chile | 05-05-2011 (A) | 05-08-2011 | ||||
| China | 01-04-1995 (A) | 01-07-1995 | ||||
| Colombia | 26-04-2016 (A) | 26-07-2016 | ||||
| Costa Rica | 30-06-2008 (A) | 30-09-2008 | ||||
| Croatia | 25-11-1999 (A) | 25-02-2000 | ||||
| Cuba | 19-11-1993 (A) | 19-02-1994 | ||||
| Czech Republic | 18-12-1992 (Su) | 01-01-1993 | ||||
| Czechoslovakia (<01-01-1993) | 05-05-1989 (R) | 05-08-1989 | ||||
| Democratic People's Republic of Korea | 21-11-2001 (A) | 21-02-2002 | ||||
| Denmark | 28-04-1977 | 01-04-1985 (R) | 01-07-1985 | |||
| Dominican Republic | 03-04-2007 (A) | 03-07-2007 | ||||
| EAPO (Eurasian Patent Organization) | 05-01-2000 (R) | 05-04-2000 | ||||
| El Salvador | 17-05-2006 (A) | 17-08-2006 | ||||
| EPO (European Patent Organisation) | 26-08-1980 (R) | 26-11-1980 | ||||
| Estonia | 14-06-1996 (A) | 14-09-1996 | ||||
| Finland | 28-04-1977 | 01-06-1985 (R) | 01-09-1985 | |||
| France | 28-04-1977 | 21-02-1980 (R) | 19-08-1980 | |||
| Georgia | 30-06-2005 (R) | 30-09-2005 | ||||
| Germany | 28-04-1977 | 20-10-1980 (R) | 20-01-1981 | |||
| Greece | 30-07-1993 (A) | 30-10-1993 | ||||
| Guatemala | 14-07-2006 (A) | 14-10-2006 | ||||
| Honduras | 20-03-2006 (A) | 20-06-2006 | ||||
| Hungary | 28-04-1977 | 11-07-1978 (R) | 19-08-1980 | |||
| Iceland | 23-12-1994 (A) | 23-03-1995 | ||||
| India | 17-09-2001 (A) | 17-12-2001 | ||||
| Indonesia | 13-07-2022 (A) | 13-10-2022 | ||||
| Ireland | 15-09-1999 (A) | 15-12-1999 | ||||
| Israel | 26-01-1996 (A) | 26-04-1996 | ||||
| Italy | 28-04-1977 | 23-12-1985 (R) | 23-03-1986 | |||
| Japan | 19-05-1980 (A) | 19-08-1980 | ||||
| Jordan | 14-08-2008 (A) | 14-11-2008 | ||||
| Kazakhstan | 24-01-2002 (A) | 24-04-2002 | ||||
| Kyrgyzstan | 17-02-2003 (A) | 17-05-2003 | ||||
| Latvia | 29-09-1994 (A) | 29-12-1994 | ||||
| Liechtenstein | 19-05-1981 (A) | 19-08-1981 | ||||
| Lithuania | 09-02-1998 (A) | 09-05-1998 | ||||
| Luxembourg | 08-12-1977 | 29-04-2010 (R) | 29-07-2010 | |||
| Malaysia | 31-03-2022 (A) | 30-06-2022 | ||||
| Mexico | 21-12-2000 (A) | 21-03-2001 | ||||
| Moldova | 14-02-1994 (Su) | 25-12-1991 | ||||
| Monaco | 23-10-1998 (A) | 23-01-1999 | ||||
| Montenegro | 04-12-2006 (Su) | 03-06-2006 | ||||
| Morocco | 20-04-2011 (A) | 20-07-2011 | ||||
| Netherlands, the Kingdom of the | 28-04-1977 | 02-04-1987 (R) | 02-07-1987 | |||
| New Zealand | 17-12-2018 (A) | 17-03-2019 | ||||
| Nicaragua | 10-05-2006 (A) | 10-08-2006 | ||||
| North Macedonia | 30-05-2002 (A) | 30-08-2002 | ||||
| Norway | 28-04-1977 | 01-10-1985 (R) | 01-01-1986 | |||
| OAPI (African Intellectual Property Organisation) | 15-12-2022 (R) | 15-03-2023 | ||||
| Oman | 16-07-2007 (A) | 16-10-2007 | ||||
| Panama | 07-06-2012 (A) | 07-09-2012 | ||||
| Paraguay | 05-05-2023 (A) | 05-08-2023 | ||||
| Peru | 20-10-2008 (A) | 20-01-2009 | ||||
| Philippines | 21-07-1981 (A) | 21-10-1981 | ||||
| Poland | 22-06-1993 (A) | 22-09-1993 | ||||
| Portugal | 16-07-1997 (A) | 16-10-1997 | ||||
| Qatar | 06-12-2013 (A) | 06-03-2014 | ||||
| Republic of Korea, the | 28-12-1987 (A) | 28-03-1988 | ||||
| Romania | 25-06-1999 (A) | 25-09-1999 | ||||
| Russian Federation | 30-12-1977 | 22-01-1981 (R) | 22-04-1981 | |||
| Rwanda | 04-09-2023 (A) | 04-12-2023 | ||||
| Saudi Arabia | 16-10-2020 (A) | 16-01-2021 | ||||
| Senegal | 17-12-1977 | |||||
| Serbia | 25-11-1993 (A) | 25-02-1994 | ||||
| Singapore | 23-11-1994 (A) | 23-02-1995 | ||||
| Slovakia | 30-12-1992 (Su) | 01-01-1993 | ||||
| Slovenia | 12-12-1997 (A) | 12-03-1998 | ||||
| South Africa | 14-04-1997 (A) | 14-07-1997 | ||||
| Spain | 28-04-1977 | 19-12-1980 (R) | 19-03-1981 | |||
| Sweden | 14-11-1977 | 23-06-1983 (R) | 01-10-1983 | |||
| Switzerland | 28-04-1977 | 19-05-1981 (R) | 19-08-1981 | |||
| Tajikistan | 14-02-1994 (Su) | 25-12-1991 | ||||
| Trinidad and Tobago | 10-12-1993 (A) | 10-03-1994 | ||||
| Tunisia | 23-02-2004 (A) | 23-05-2004 | ||||
| Türkiye | 31-08-1998 (A) | 30-11-1998 | ||||
| Ukraine | 02-04-1997 (A) | 02-07-1997 | ||||
| United Arab Emirates | 17-02-2021 (A) | 17-05-2021 | ||||
| United Kingdom | 28-04-1977 | 29-09-1980 (R) | 29-12-1980 | |||
| United States of America | 28-04-1977 | 24-09-1979 (R) | 19-08-1980 | |||
| Uruguay | 07-10-2024 (A) | 07-01-2025 | ||||
| Uzbekistan | 12-10-2001 (A) | 12-01-2002 | ||||
| Vietnam | 01-03-2021 (A) | 01-06-2021 |
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