| Contracting Party | Signature | Instrument | In Force | Details |
|---|
| African Intellectual Property Organization (OAPI) | | Accession: June 16, 2008 | September 16, 2008 | Details |
| Albania | | Accession: February 19, 2007 | March 19, 2007 | Details |
| Armenia | | Accession: April 13, 2007 | July 13, 2007 | Details |
| Azerbaijan | | Accession: September 8, 2010 | December 8, 2010 | Details |
| Belgium | | Accession: February 22, 1979 | April 1, 1979 | Details |
| Belize | | Accession: June 12, 2003 | July 12, 2003 | Details |
| Benin | | Accession: October 2, 1986 | November 2, 1986 | Details |
| Bosnia and Herzegovina | | Accession: September 24, 2008 | December 24, 2008 | Details |
| Botswana | | Accession: September 5, 2006 | December 5, 2006 | Details |
| Bulgaria | | Accession: November 11, 1996 | December 11, 1996 | Details |
| Côte d'Ivoire | | Accession: April 26, 1993 | May 30, 1993 | Details |
| Croatia | | Accession: January 12, 2004 | February 12, 2004 | Details |
| Democratic People's Republic of Korea | | Accession: April 15, 1992 | May 27, 1992 | Details |
| Denmark | | Accession: September 9, 2008 | December 9, 2008 | Details |
| Egypt | | Accession: March 5, 1951 | July 1, 1952 | Details |
| Estonia | | Accession: March 21, 2002 | December 23, 2003 | Details |
| European Union (EU) | | Accession: September 24, 2007 | January 1, 2008 | Details |
| Finland | | Accession: February 1, 2011 | May 1, 2011 | Details |
| France | November 6, 1925 | Accession: September 9, 1930 | October 20, 1930 | Details |
| Gabon | | Accession: July 18, 2003 | August 18, 2003 | Details |
| Georgia | | Accession: July 1, 2003 | August 1, 2003 | Details |
| Germany | November 6, 1925 | Ratification: May 1, 1928 | June 1, 1928 | Details |
| Ghana | | Accession: June 16, 2008 | September 16, 2008 | Details |
| Greece | | Accession: March 18, 1997 | April 18, 1997 | Details |
| Holy See | November 28, 1960 | | | Details |
| Hungary | | Accession: March 7, 1984 | April 7, 1984 | Details |
| Iceland | | Accession: July 6, 2001 | December 23, 2003 | Details |
| Italy | | Accession: May 11, 1987 | June 13, 1987 | Details |
| Kyrgyzstan | | Accession: February 17, 2003 | March 17, 2003 | Details |
| Latvia | | Accession: April 26, 2005 | July 26, 2005 | Details |
| Liechtenstein | | Accession: May 8, 1933 | July 14, 1933 | Details |
| Lithuania | | Accession: June 26, 2008 | September 26, 2008 | Details |
| Luxembourg | | Accession: February 22, 1979 | April 1, 1979 | Details |
| Mali | | Accession: August 7, 2006 | September 7, 2006 | Details |
| Monaco | | Accession: February 9, 1956 | April 29, 1956 | Details |
| Mongolia | | Accession: March 12, 1997 | April 12, 1997 | Details |
| Montenegro | | Declaration of Continued Application: December 4, 2006 | June 3, 2006 | Details |
| Morocco | November 6, 1925 | Accession: September 9, 1930 | October 20, 1930 | Details |
| Namibia | | Accession: March 31, 2004 | June 30, 2004 | Details |
| Netherlands | | Accession: February 22, 1979 | April 1, 1979 | Details |
| Niger | | Accession: August 20, 2004 | September 20, 2004 | Details |
| Norway | | Accession: March 17, 2010 | June 17, 2010 | Details |
| Oman | | Accession: December 4, 2008 | March 4, 2009 | Details |
| Poland | | Accession: April 2, 2009 | July 2, 2009 | Details |
| Republic of Moldova | | Accession: February 14, 1994 | March 14, 1994 | Details |
| Romania | | Accession: June 17, 1992 | July 18, 1992 | Details |
| Rwanda | | Accession: May 31, 2011 | August 31, 2011 | Details |
| Sao Tome and Principe | | Accession: September 8, 2008 | December 8, 2008 | Details |
| Senegal | | Accession: May 30, 1984 | June 30, 1984 | Details |
| Serbia | | Accession: November 25, 1993 | December 30, 1993 | Details |
| Singapore | | Accession: January 17, 2005 | April 17, 2005 | Details |
| Slovenia | | Accession: December 12, 1994 | January 13, 1995 | Details |
| Spain | November 6, 1925 | Ratification: May 1, 1928 | June 1, 1928 | Details |
| Suriname | | Declaration of Continued Application: November 16, 1976 | November 25, 1975 | Details |
| Switzerland | November 6, 1925 | Ratification: May 1, 1928 | June 1, 1928 | Details |
| Syrian Arab Republic | | Accession: February 7, 2008 | May 7, 2008 | Details |
| Tajikistan | | Accession: December 21, 2011 | March 21, 2012 | Details |
| the former Yugoslav Republic of Macedonia | | Accession: February 18, 1997 | March 18, 1997 | Details |
| Tunisia | November 6, 1925 | Accession: September 9, 1930 | October 20, 1930 | Details |
| Turkey | | Accession: October 1, 2004 | January 1, 2005 | Details |
| Ukraine | | Accession: May 28, 2002 | August 28, 2002 | Details |
