| Contracting Party | Treaty | Signature | Instrument | In Force | Details |
|---|
| Latvia | Berne Convention | | Accession: May 11, 1995 | August 11, 1995 | Details |
| Latvia | Budapest Treaty | | Accession: September 29, 1994 | December 29, 1994 | Details |
| Latvia | Hague Agreement | | Accession: April 26, 2005 | July 26, 2005 | Details |
| Latvia | Locarno Agreement | | Accession: January 14, 2005 | April 14, 2005 | |
| Latvia | Madrid Agreement (Marks) | | Accession: September 29, 1994 | January 1, 1995 | Details |
| Latvia | Madrid Protocol | | Accession: October 5, 1999 | January 5, 2000 | |
| Latvia | Nice Agreement | | Accession: September 29, 1994 | January 1, 1995 | Details |
| Latvia | Paris Convention | | Accession: June 7, 1993 | September 7, 1993 | Details |
| Latvia | Patent Cooperation Treaty | | Accession: June 7, 1993 | September 7, 1993 | |
| Latvia | Patent Law Treaty | June 2, 2000 | Ratification: March 12, 2010 | June 12, 2010 | |
| Latvia | Phonograms Convention | | Accession: April 29, 1997 | August 23, 1997 | |
| Latvia | Rome Convention | | Accession: May 20, 1999 | August 20, 1999 | Details |
| Latvia | Singapore Treaty | March 28, 2006 | Ratification: September 9, 2008 | March 16, 2009 | |
| Latvia | Trademark Law Treaty | October 28, 1994 | Ratification: September 28, 1999 | December 28, 1999 | |
| Latvia | UPOV Convention | | Accession: July 30, 2002 | August 30, 2002 | Details |
| Latvia | WIPO Convention | | Accession: October 21, 1992 | January 21, 1993 | |
| Latvia | WIPO Copyright Treaty | | Accession: March 22, 2000 | March 6, 2002 | |
| Latvia | WIPO Performances and Phonograms Treaty | | Accession: March 22, 2000 | May 20, 2002 | |
