| Contracting Party | Treaty | Signature | Instrument | In Force | Details |
| Romania | Berne Convention | | Accession: August 28, 1926 | January 1, 1927 | Details |
| Romania | Budapest Treaty | | Accession: June 25, 1999 | September 25, 1999 | |
| Romania | Hague Agreement | | Accession: June 17, 1992 | July 18, 1992 | Details |
| Romania | Lisbon Agreement | October 31, 1958 | | | |
| Romania | Locarno Agreement | | Accession: March 31, 1998 | June 30, 1998 | |
| Romania | Madrid Agreement (Marks) | | Accession: August 26, 1920 | October 6, 1920 | Details |
| Romania | Madrid Protocol | December 30, 1989 | Ratification: April 28, 1998 | July 28, 1998 | |
| Romania | Nairobi Treaty | October 24, 1981 | Ratification: June 20, 2005 | July 20, 2005 | |
| Romania | Nice Agreement | December 18, 1958 | Accession: March 31, 1998 | June 30, 1998 | Details |
| Romania | Paris Convention | | Accession: August 26, 1920 | October 6, 1920 | Details |
| Romania | Patent Cooperation Treaty | December 28, 1970 | Ratification: April 23, 1979 | July 23, 1979 | Details |
| Romania | Patent Law Treaty | June 2, 2000 | Ratification: January 28, 2005 | April 28, 2005 | |
| Romania | Phonograms Convention | | Accession: July 1, 1998 | October 1, 1998 | |
| Romania | Rome Convention | | Accession: July 22, 1998 | October 22, 1998 | Details |
| Romania | Singapore Treaty | March 28, 2006 | Ratification: March 25, 2008 | March 16, 2009 | |
| Romania | Strasbourg Agreement | | Accession: March 31, 1998 | March 31, 1999 | |
| Romania | Trademark Law Treaty | | Accession: April 28, 1998 | July 28, 1998 | |
| Romania | UPOV Convention | | Accession: February 16, 2001 | March 16, 2001 | Details |
| Romania | Vienna Agreement | December 31, 1973 | Ratification: March 31, 1998 | June 30, 1998 | |
| Romania | WIPO Convention | July 14, 1967 | Ratification: February 28, 1969 | April 26, 1970 | Details |
| Romania | WIPO Copyright Treaty | December 31, 1997 | Ratification: February 1, 2001 | March 6, 2002 | |
| Romania | WIPO Performances and Phonograms Treaty | December 31, 1997 | Ratification: February 1, 2001 | May 20, 2002 | |