| Contracting Party | Treaty | Signature | Instrument | In Force | Details |
|---|
| European Union (EU) | Beijing Treaty on Audiovisual Performances | June 19, 2013 | | | |
| Cook Islands | Berne Convention | | Accession: May 3, 2017 | August 3, 2017 | Details |
| New Zealand | Berne Convention | | Declaration of Continued Application: April 26, 1928 | April 24, 1928 | Details |
| African Intellectual Property Organization (OAPI) | Hague Agreement | | Accession: June 16, 2008 | September 16, 2008 | Details |
| European Union (EU) | Hague Agreement | | Accession: September 24, 2007 | January 1, 2008 | Details |
| New Zealand | Madrid Agreement (Indications of Source) | | | July 29, 1931 | Details |
| African Intellectual Property Organization (OAPI) | Madrid Protocol | | Accession: December 5, 2014 | March 5, 2015 | Details |
| European Union (EU) | Madrid Protocol | | Accession: July 1, 2004 | October 1, 2004 | Details |
| New Zealand | Madrid Protocol | | Accession: September 10, 2012 | December 10, 2012 | Details |
| European Union (EU) | Marrakesh VIP Treaty | April 30, 2014 | | | |
| New Zealand | Nairobi Treaty | May 18, 1982 | | | |
| New Zealand | Nice Agreement | | Accession: July 16, 2013 | October 16, 2013 | Details |
| New Zealand | Paris Convention | | Accession: June 10, 1931 | July 29, 1931 | Details |
| New Zealand | Patent Cooperation Treaty | | Accession: September 1, 1992 | December 1, 1992 | |
| European Patent Organisation (EPO) | Patent Law Treaty | May 17, 2001 | | | |
| New Zealand | Phonograms Convention | | Accession: May 3, 1976 | August 13, 1976 | |
| African Intellectual Property Organization (OAPI) | Singapore Treaty | | Accession: November 13, 2015 | February 13, 2016 | Details |
| Benelux Organization for Intellectual Property (BOIP) | Singapore Treaty | | Accession: October 8, 2013 | January 8, 2014 | |
| New Zealand | Singapore Treaty | September 26, 2006 | Ratification: September 10, 2012 | December 10, 2012 | Details |
| European Union (EU) | Trademark Law Treaty | June 30, 1995 | | | Details |
| African Intellectual Property Organization (OAPI) | UPOV Convention | | Accession: June 10, 2014 | July 10, 2014 | Details |
| European Union (EU) | UPOV Convention | | Accession: June 29, 2005 | July 29, 2005 | Details |
| New Zealand | UPOV Convention | | Accession: November 3, 1980 | November 8, 1981 | Details |
| Cook Islands | WIPO Convention | | Accession: July 27, 2016 | October 27, 2016 | |
| New Zealand | WIPO Convention | | Accession: March 14, 1984 | June 20, 1984 | Details |
| European Union (EU) | WIPO Copyright Treaty | December 20, 1996 | Ratification: December 14, 2009 | March 14, 2010 | Details |
| European Union (EU) | WIPO Performances and Phonograms Treaty | December 20, 1996 | Ratification: December 14, 2009 | March 14, 2010 | Details |
