New Zealand (NZ) punches above its weight in clean technology, with advancements in geothermal energy systems, agricultural emissions reduction, wave and tidal innovation, precision irrigation, and low-carbon building materials.
Kiwi companies are building world-class solutions to global problems. But here's what I see too often: NZ cleantech founders spend years building their technology, file a patent application, and then face lengthy delays. Standard patent examination at the major international offices can take two to four years. In a capital-hungry startup environment, that delay isn't just frustrating, it's a commercial liability.
Here's why it matters more than most founders realise.
Investors want granted patents - pending isn't enough
A patent application is a promise. A granted patent is an asset. When you're raising capital, whether from angel investors, venture funds, or strategic partners, the distinction matters enormously. A pending application tells investors you've filed something. A granted patent tells them you own something. It appears on your balance sheet as a quantified intangible asset. It signals to sophisticated investors that your technology has survived independent scrutiny by a patent examiner. It gives you enforceable rights you can licence, assign, or use defensively.
"I've seen investment conversations stall because a company's intellectual property (IP) position consisted entirely of pending applications at the two-year mark."
I've also seen the same conversation accelerate dramatically the moment a US or Australian grant lands. For cleantech companies in particular, where the technology is often the core of the value proposition, the difference between "pending" and "granted" can be the difference between a term sheet and a polite pass. I’ve seen investors use this as “yeah-nah” moments to help drive down valuations.
The challenge is that standard examination timelines work against you. Filing a patent application the day you close your seed round and hoping it grants before your Series A is, at most offices, wishful thinking. Unless you know which doors to use.
The global green patent landscape
Around ten countries currently operate some form of accelerated examination programme specifically for clean and green technology patents. Several are free. Several more are piloting programmes. The programmes vary in scope, eligibility, and speed. The landscape has shifted materially in the past 12 months.
The most significant recent change: the United States (US) has effectively dismantled its green technology fast-track. The USPTO's Climate Change Mitigation Program was terminated in April 2025, and its broader Accelerated Examination programme for utility applications was discontinued in July 2025.
However, and this matters, the USPTO's Track One prioritised examination programme remains fully available to any patentee, for any utility invention, regardless of subject matter. Track One is not a green-specific programme, but it is exceptionally powerful for cleantech companies that need speed. File with a Track One request and the USPTO targets a final patent grant within 12 months from filing. I’ve seen some granted as quick as six months. That is a genuinely compressed timeline by any international standard. The cost is around NZ$7,500 in official fees for standard entities. Its meaningful but often justified by the investor relations value of a US grant alone. For NZ companies with US commercial ambitions or US investors on the cap table, Track One deserves serious consideration.
Elsewhere, the free green technology programmes remain strong.
The best free programmes for NZ applicants
United Kingdom: Green Channel
The UK Intellectual Property Office runs the most accessible clean technology fast-track in the world. Any invention with an environmental benefit qualifies. You submit a brief written statement explaining why your technology is environmentally beneficial, no technical evidence, no prior art search, no fee. The UK office accelerates search and examination, targeting a first report in around eight weeks.
Crucially, you can request the Green Channel at any stage of prosecution, and it applies to PCT applications entering UK national phase where an International Searching Authority has already found your claims acceptable. For NZ applicants pursuing international protection, this is a natural starting point.
IP Australia: Expedited examination
IP Australia offers an almost identically simple programme. Any environmentally beneficial technology qualifies. A written statement or even a phone call is all that's needed, with no fee and no complex requirements. IP Australia targets a first examination report within four to eight weeks. Given the commercial importance of Australia to most NZ companies, and the familiarity of trans-Tasman patent prosecution, this should be a default consideration for any NZ cleantech client pursuing Australian protection.
Canada: Advanced examination
CIPO's programme requires nothing more than a written statement that your technology, if commercialised, would help resolve or mitigate environmental impacts or conserve natural resources. No fee. First office action is typically within three months and sometimes as quick as two weeks. Canada is an underutilised market for many NZ companies in the agricultural and resource sectors, and this programme makes it more commercially accessible.
Japan: Accelerated examination
The Japan Patent Office fast-tracks applications covering inventions with energy-saving effects that contribute to CO₂ reduction - no fee. Applicants submit a written explanation of why the invention qualifies, along with commentary on prior art. For NZ companies in agritech, energy storage, and emissions reduction, Japan is a significant commercial territory and the free fast-track materially changes the cost-benefit calculation of filing there.
China: CNIPA priority examination
China now accounts for over a third of the world's granted clean technology patents. CNIPA's programme covers energy conservation, new energy, new energy vehicles, and environmental protection — and is free. A first office action issues within around 45 days of acceptance, with a final decision within 12 months. For NZ companies with exposure to Chinese manufacturing supply chains or commercial partners, this changes the timeline entirely. Access typically requires coordination with local counsel to secure the required recommendation from a recognised authority.
Europe: PACE Programme
The European Patent Office has no dedicated green channel, but its PACE programme allows applicants to request accelerated examination at no cost. An unreasoned written request is all that's required, with first office actions typically following within three months.
The strategy NZ companies should be using
Here is the approach I recommend most often to NZ cleantech clients pursuing multi-jurisdictional protection. File your NZ provisional application to secure your priority date. Then get onto the UK Green Channel. The UK office is fast, the examiner feedback is high quality, and the UK process is well-regarded internationally as a search and examination reference.
Once you have allowable claims from the UK, you can invoke the Patent Prosecution Highway (PPH) in other participating offices. PPH is a bilateral arrangement that allows applicants to fast-track examination in a second country on the basis of a positive outcome in the first. A fast UK grant becomes a lever to accelerate prosecution in the US, Japan, Canada, Australia, and many other jurisdictions and without paying a premium at each individual office.
For clients where a US grant is a priority, particularly those in active capital raising, Track One at the USPTO is the recommended approach. A US grant potentially within six months, and a cascade of accelerating examinations across your other key markets shortly after.
What might otherwise take three to four years across your key markets can often be compressed to 12 to 18 months, at modest additional cost.
The bottom line
If your business is developing technology with any environmental dimension, renewable energy, emissions reduction, sustainable agriculture, water efficiency, low-carbon materials, or anything adjacent then your patent filing strategy should be taking full advantage of the global green fast-track infrastructure that exists right now.
A granted patent is not just a legal document. It is a commercial asset that strengthens investment conversations, supports licensing discussions, and signals credibility to partners and acquirers.
The queue to grant is shorter than you think, you just need to know which door to use.
About Anton Blijlevens
Anton Blijlevens is a NZ patent attorney with over 32 years of trans-Tasman experience specialising in mechanical and clean technology patents. He works with NZ SMEs and startups to build and commercialise international patent portfolios. Connect or message to discuss your IP strategy.
