An international conference in Wellington next week, part of ongoing worldwide negotiations on copyright, aimed to be more transparent following criticism about the secrecy of the talks.

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The eighth round of the Anti-Counterfeiting Trade Agreement (ACTA), which has been negotiated privately for almost two years, aimed to create a global organisation to oversee copyright and intellectual property issues.

Those areas are currently the responsibility of the World Trade Organisation, the World Intellectual Property Organisation and the United Nations.

"Increasing transparency in the ACTA negotiations, including providing improved means for public input into the process, is a priority for the United States," US Trade Representative spokeswoman Nefeterius McPherson said in a statement.

"In this upcoming round of ACTA negotiations, the US delegation will be working with other delegations to resolve some fundamental issues, such as the scope of the intellectual property rights that are the focus of this agreement."

New Zealand critics of the agreement say it will unnecessarily hinder the public's access to the internet.