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The 2-Minute Guide to Patent Oppositions in New Zealand

What is a patent opposition in New Zealand?

A New Zealand patent opposition allows a third party to challenge the grant of a patent before it is granted. The process can involve evidence, expert witnesses and a hearing before an Assistant Commissioner of Patents. Grounds include lack of novelty or inventive step, insufficient disclosure, unclear claims, excluded subject matter and entitlement. Download our free guide for a practical overview of the New Zealand patent opposition process, grounds for opposition, key steps and potential timelines.