File Your Patent Application in New Zealand

Complete Guide to the New Zealand Patent Filing System

New Zealand is a full member of the Patent Cooperation Treaty (PCT), allowing applicants who have filed an application for PCT Filing to enter the national phase and seek patent protection in the country. National phase entry converts the international PCT application into a locally examined New Zealand patent application under the jurisdiction of the Intellectual Property Office of New Zealand (IPONZ).

The New Zealand Patent Search system is aligned with modern international standards and provides robust protection with high-quality examination, transparent procedures, and advanced online systems. For global applicants, New Zealand is strategically significant due to its strong innovation sectors, including biotechnology, agriculture, pharmaceuticals, medical devices, software, engineering, and renewable energy.

Who is Eligible to File a Patent in New Zealand

Any applicant named in the international PCT application may enter the national phase in New Zealand. This includes:

  • Individual inventors
  • Companies and corporate groups
  • Universities and research bodies
  • Joint or multiple applicants

Foreign applicants are welcome and do not require local residency, but they must appoint a New Zealand address for service, typically via a registered New Zealand patent attorney or agent. AnalystIP coordinates with trusted local professionals to ensure full compliance.

Assignments from inventors to the applicant may be required if ownership is not clearly reflected in the PCT documents. No legalization or notarization requirements apply to POAs or assignments.

Critical Deadline for New Zealand Patent Filing(31-Month Rule)

New Zealand follows the 31-month deadline from the earliest priority date to enter the national phase.

All Patent filing documents and fees should be submitted by this deadline to avoid complications. New Zealand uses an efficient online filing system, and national phase entry can be completed quickly once the required materials are prepared.

Extension or Restoration After 31 Months

New Zealand permits late national phase entry under specific circumstances, typically where the applicant can demonstrate:

  • The deadline was missed unintentionally.
  • The applicant acted with due care.

A formal request for late entry must be filed promptly, along with applicable fees and supporting declarations. Approval is discretionary, and reinstatement is not guaranteed.

Filing Language for New Zealand Patent Application

The official language of patent prosecution in New Zealand is English.

  • No translation is required if the application of PCT Filing is already in English.
  • If the PCT application is not in English, a full English translation must be filed.

New Zealand’s streamlined system makes translation cost-effective and efficient.

Required Documents to File a Patent in New Zealand

To complete national phase entry, the applicant must provide:

Core Application Documents

  • Full PCT specification (description, claims, abstract, Patent drawings)
  • English translation (if the PCT application is not already in English)
  • Applicant and inventor details
  • National phase request form

Assignments

  • Needed only if the applicant differs from the inventor and ownership evidence is required.
  • Simple signed assignments are accepted; no notarization or legalization required.

Power of Attorney

  • New Zealand typically does not require POAs unless certain procedural acts require authorization.
  • No notarization or legalization required.

Priority Documents

Generally not required at the time of National Phase Filing, as priority documents are available through the PCT system. However, IPONZ may request confirmation or translation if necessary.

New Zealand Patent Search and Examination

New Zealand uses a modern, transparent, and examiner-driven review process. The system includes:

  • Formal examination, ensuring the application complies with procedural and formatting requirements.
  • Substantive examination, evaluating novelty, inventive step, utility, clarity, and sufficiency of disclosure.

New Zealand’s examination system is aligned with international standards and applies strict thresholds for inventive step, particularly in fields such as biotech, software, and medical treatments.

Examination Process and Office Actions

During examination, IPONZ may issue:

  • Formal examination reports, addressing administrative or formatting issues.
  • Substantive examination reports, addressing patentability criteria such as novelty, inventive step, clarity, and support through Patentability Search.

Applicants must respond within the prescribed time limits.

Deadline for Requesting Examination

A request for examination must be filed within a deadline set by IPONZ. In New Zealand:

  • Examination is not automatic.
  • The applicant must request examination no later than 5 years from the international filing date (PCT filing date).

If the examination is not requested within the deadline, the application will be deemed abandoned.

Publication and Legal Impact

Patent applications in New Zealand are typically published at 18 months from the priority date or the international filing date.

Publication provides:

  • Public notice of the invention
  • Establishment of prior art against later filings
  • Foundation for potential provisional protection

Grant Process and Enforceability

Once the objections are overcome and the application is accepted:

  1. IPONZ issues a notice of acceptance.
  2. Grant and publication fees (if applicable) must be paid.
  3. The patent is officially granted and entered into the register.

After a grant, the patent becomes fully enforceable in New Zealand. Patent owners may:

    • Prevent unauthorized use, manufacture, or import
    • Seek damages, injunctions, and an account of profits
    • Record licensing or assignment agreements
    • Use border enforcement processes to block infringing imports

Validity Term

A New Zealand patent is valid for:

20 years from the international (PCT) filing date, subject to maintenance fees.

Extensions for regulatory delays may be available for some pharmaceutical patents.

Typical Timeframe to Obtain a Patent in New Zealand

The overall timeline varies by complexity:

  • Formal review: 1–2 months
  • Substantive examination: 1–3 years
  • Total time to grant: 2 to 5 years

New Zealand’s online system and efficient examiners often result in comparatively streamlined timelines

  • Annuities and Maintenance Requirements

    New Zealand requires annual renewal fees to maintain a pending or granted patent.

    Key features:

    • Annuities begin from the 4th anniversary of the filing date (international PCT filing date).
    • They must be paid annually.
    • Late payment is allowed within a grace period with a surcharge.

    The Late Payment leads to the lapse of rights.

Official Government Fees for New Zealand Patent Filing(Indicative Structure)

National Phase Filing Fees

Fee TypeDescription
National phase filing feePayable at time of entry
Excess claim feesCharged per claim above the allowed threshold
Excess claim feesCharged for very large specifications

Examination and Grant Fees

Fee TypeDescription
Request for examination feeRequired to begin substantive examination
Acceptance and grant feePayable upon allowance
Publication feeIf applicable, required for grant publication

Annuity Fees

Year RangeNotes
4–10Lower tier
11-20Higher tier
Grace periodAvailable with a surcharge

Exact fees depend on claim count, page volume, and occasional legislative updates. 

Utility Model Protection in New Zealand

New Zealand does not offer utility models or petty patents. All inventions must be protected through the standard patent process.

Applicants seeking lower-threshold or rapid protection must rely on strategic claim drafting or alternative rights such as trade secrets, copyright (for software), or design protection.

New Zealand Patent Office and Official Website

Intellectual Property Office of New Zealand (IPONZ):

Official Website: New Zealand Patent Office