| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| ALBANIA | Bound | 04/10/1995 | |
| ALGERIA | Bound | 05/07/1972 | |
| ARMENIA | Bound | 25/12/1991 | |
| AUSTRIA | Bound | 01/01/1909 | |
| AZERBAIJAN | Bound | 25/12/1995 | |
| BELARUS | Bound | 25/12/1991 | |
| BELGIUM | Signature | 14/04/1891 | |
| BELGIUM | Ratification | 15/06/1892 | 15/07/1892 |
| BOSNIA AND HERZEGOVINA | Bound | 01/03/1992 | |
| BULGARIA | Bound | 01/08/1985 | |
| CHINA | Bound | 04/10/1989 | |
| CHINA | Notification | 24/07/2003 | 01/01/1900 |
| CROATIA | Bound | 08/10/1991 | |
| CUBA | Bound | 06/12/1989 | |
| CYPRUS | Accession | 04/08/2003 | 04/11/2003 |
| CZECH REPUBLIC | Bound | 01/01/1993 | |
| EGYPT | Bound | 01/07/1952 | |
| FRANCE | Signature | 14/04/1891 | |
| FRANCE | Ratification | 15/06/1892 | 15/07/1892 |
| GERMANY | Bound | 01/12/1922 | |
| GUATEMALA | Signature | 14/04/1891 | |
| HUNGARY | Bound | 01/01/1909 | |
| IRAN | Accession | 25/09/2003 | 25/12/2003 |
| ITALY | Signature | 14/04/1891 | |
| ITALY | Ratification | 15/06/1892 | 15/10/1894 |
| KAZAKHSTAN | Bound | 25/12/1991 | |
| KENYA | Bound | 26/06/1998 | |
| KOREA DEMOCRATIC PEOPLE'S REPUBLIC OF | Bound | 10/06/1980 | |
| KYRGYZSTAN | Bound | 25/12/1991 | |
| LATVIA | Bound | 01/01/1995 | |
| LESOTHO | Bound | 12/02/1999 | |
| LIBERIA | Bound | 25/12/1995 | |
| LIECHTENSTEIN | Bound | 14/07/1933 | |
| LUXEMBOURG | Bound | 01/09/1924 | |
| MACEDONIA THE FYR OF | Bound | 08/09/1991 | |
| MOLDOVA REPUBLIC OF | Bound | 25/12/1991 | |
| MONACO | Bound | 29/04/1956 | |
| MONGOLIA | Bound | 21/04/1985 | |
| MOROCCO | Bound | 30/07/1917 | |
| MOZAMBIQUE | Bound | 07/10/1998 | |
| NETHERLANDS THE | Signature | 14/04/1891 | |
| NETHERLANDS THE | Ratification | 15/06/1892 | 01/03/1893 |
| POLAND | Bound | 18/03/1991 | |
| PORTUGAL | Signature | 14/04/1891 | |
| PORTUGAL | Ratification | 15/06/1892 | 31/10/1893 |
| ROMANIA | Bound | 06/10/1920 | |
| RUSSIAN FEDERATION | Bound | 25/12/1991 | 01/07/1976 |
| SAN MARINO | Bound | 25/09/1960 | |
| SIERRA LEONE | Bound | 17/06/1997 | |
| SLOVAK REPUBLIC | Bound | 01/01/1993 | |
| SLOVENIA | Bound | 25/06/1991 | |
| SOVIET UNION | Accession | 01/07/1976 | |
| SPAIN | Signature | 14/04/1891 | |
| SPAIN | Ratification | 15/06/1892 | 15/07/1892 |
| SPAIN | Accession | 01/01/1905 | 15/12/1947 |
| SUDAN | Bound | 16/05/1984 | |
| SWAZILAND | Bound | 14/12/1998 | |
| SWITZERLAND | Signature | 14/04/1891 | |
| SWITZERLAND | Ratification | 15/06/1892 | 15/07/1892 |
| SYRIA | Accession | 05/05/2004 | 05/08/2004 |
| TAJIKISTAN | Bound | 25/12/1991 | |
| TUNIS | Signature | 14/04/1891 | |
| TUNIS | Ratification | 15/06/1892 | |
| UKRAINE | Bound | 25/12/1991 | |
| UNITED KINGDOM | |||
| UZBEKISTAN | Bound | 25/12/1991 | |
| UZBEKISTAN | Denunciation | 03/01/2007 | 01/01/2008 |
| VIETNAM | Bound | 08/03/1949 | |
| YUGOSLAVIA | Bound | 26/02/1921 |