| Contracting Parties/Signatories | Signature | Instrument | In Force | Details |
| Armenia | | Definitive Signature: May 22, 2001 | May 22, 2001 | |
| Belarus | | Definitive Signature: May 22, 2001 | May 22, 2001 | |
| Eurasian Patent Organization (EAPO) | | Definitive Signature: May 22, 2001 | May 22, 2001 | |
| Republic of Moldova | | Definitive Signature: May 22, 2001 | May 22, 2001 | |
| Russian Federation | | Definitive Signature: May 22, 2001 | May 22, 2001 | |
| Tajikistan | | Definitive Signature: May 22, 2001 | May 22, 2001 | |
| Uzbekistan | | Definitive Signature: May 22, 2001 | May 22, 2001 | |