| Contracting Party | Treaty | Signature | Instrument | In Force | Details |
|---|
| Niger | Berne Convention | | Declaration of Continued Application: May 2, 1962 | August 3, 1960 | Details |
| Niger | Hague Agreement | | Accession: August 20, 2004 | September 20, 2004 | Details |
| Niger | Paris Convention | | Accession: September 10, 1963 | July 5, 1964 | Details |
| Niger | Patent Cooperation Treaty | | Accession: December 21, 1992 | March 21, 1993 | |
| Niger | Rome Convention | | Accession: April 5, 1963 | May 18, 1964 | Details |
| Niger | WIPO Convention | July 14, 1967 | Ratification: February 18, 1975 | May 18, 1975 | Details |
