Patents in Australia: an overview for businesses

Australia is a common destination for foreign businesses building an international patent portfolio, often filed alongside the United States, Europe, Japan and China. It has a developed economy, an active technology and resources sector, and a settled body of patent law administered by IP Australia, the federal agency responsible for patents, trade marks and registered designs. This page gives a practical overview of how patents work in Australia for businesses based here or abroad. It is general information rather than legal advice, and the specific steps for your situation are covered in our guide to filing a patent in Australia and in the wider Australia jurisdiction overview.

What a patent protects in Australia

An Australian patent protects an invention, broadly a new and useful product or process. To be patentable, an invention must generally be novel (new against what was publicly known anywhere before the relevant date), involve an inventive step (it would not have been obvious to a person skilled in the field), and be useful, meaning it does what the specification says it does. There is also a requirement that the invention be a "manner of manufacture", a long-standing statutory phrase (inherited from older UK law) that Australian courts use to decide patent-eligible subject matter. Certain things are excluded or treated specially, and software, business methods and some life-sciences inventions are assessed under Australia-specific criteria. If your invention sits in those areas, raise eligibility with local counsel early, because the analysis is jurisdiction-specific and should not be assumed from how the same invention is treated in your home country.

A standard patent runs for a defined term measured from the filing date, subject to maintenance payments to keep it in force. The exact term, any extensions available (for example for certain pharmaceutical patents), and the renewal schedule are statutory details that change over time and should be confirmed with IP Australia or local counsel rather than treated as fixed here.

The standard patent and the phased-out innovation patent

For new filings, the standard patent is the only patent right available in Australia. Australia previously also offered a second-tier right called the innovation patent, which had a lower threshold and a shorter term and was designed to be quicker and cheaper to obtain. That system has been phased out and is closed to new applications, so it is not an option for anyone filing today. There may still be innovation patents in force that were filed before the phase-out under transitional arrangements, but you cannot obtain a new one. If you have read older material that mentions choosing between a standard patent and an innovation patent, treat that choice as no longer available; we explain the change and what it means in practice in our note on the innovation patent phase-out. The standard patent is now the route to substantive, examined patent protection in Australia.

IP Australia and examination

IP Australia conducts substantive examination of standard patent applications, publishes examination guidance, and participates in international work-sharing arrangements such as the Patent Prosecution Highway, which can let a favourable result in one office help accelerate examination in another. For a foreign applicant the practical point is that an Australian standard patent is examined on its merits before grant, which is part of why a granted Australian patent is treated as a meaningful right.

A point that surprises applicants from some other systems is that filing an application does not automatically place it into substantive examination. You must file a separate request for examination, and you must do so within a set period (in practice this can be triggered by a direction from IP Australia or run from the filing date, depending on the circumstances). If a request is not filed in time, the application can lapse, so the opportunity to obtain a patent on it may be lost. Treat the exact request period, any directions that shorten it, and the consequences of missing it as statutory details to confirm with IP Australia or local counsel, and diarise the deadline as soon as you file. Australia also offers expedited examination in defined circumstances; eligibility and timelines change, so raise it with your representative if speed to grant matters commercially.

First-to-file, the priority date and the grace period

Australia is a first-to-file jurisdiction. Where two applicants file for the same invention, the earlier filing date generally prevails regardless of who invented first. The practical lesson is the same everywhere first-to-file applies: file before you disclose, and file promptly, because a public disclosure before your filing or priority date can destroy novelty.

Australian law does provide a grace period for certain disclosures, allowing a defined window (commonly described as up to twelve months, tied to the filing date of the complete application) to file after a disclosure by or deriving from the applicant. This is comparatively broad in that it can cover self-disclosure, but it is subject to specific conditions and procedural steps that are easy to get wrong, and the exact length and the relevant date should not be assumed. Do not treat a grace period as a substitute for filing first, and do not assume a disclosure that is graced in Australia will be graced elsewhere, because many countries have no equivalent. Confirm the current grace-period rules with IP Australia or local counsel before relying on them, and ideally before disclosing anything.

If you are filing internationally, you will usually rely on a Paris Convention priority claim from your first application, which lets you file in Australia later while keeping your original date. That priority window is set by statute, and you should confirm the current rule, its length, and how it interacts with national-phase deadlines with IP Australia or local counsel rather than assuming it.

Reaching Australia via the PCT national phase

Many foreign applicants reach Australia through the Patent Cooperation Treaty rather than by filing directly. You file a single international (PCT) application, then later enter the Australian national phase, where IP Australia examines the application under its own law. This route gives you more time before committing to country-specific costs and lets you defer the decision on whether Australia is worth the spend. Australia is a PCT contracting state, and IP Australia acts as a designated (or elected) office in the national phase, with its own time limit and formalities for national-phase entry. We explain the international route in general in our overview of the PCT national phase.

Two things are worth flagging. First, national-phase entry deadlines are counted from your earliest priority date, and missing them generally forfeits the right to a patent in Australia, with only narrow reinstatement possibilities; treat the specific national-phase deadline and any reinstatement provisions as confirm-with-IP-Australia-or-counsel details, because they are precise and consequential. Second, entering the national phase is not the same as requesting examination; the request-for-examination step still applies.

Costs and maintenance

Obtaining and keeping an Australian patent involves official fees at several stages, including filing, requesting examination, and ongoing maintenance (renewal) payments once the application is pending or the patent is granted. Official fees apply at each stage, and you should confirm the current amounts with IP Australia or local counsel, since fee schedules change and some fees scale with factors such as the number of claims. Budget for the renewal payments over the life of the patent, not just the cost of getting to grant, and diarise renewal dates, because a missed payment can cause the patent to lapse.

It is also worth noting how Australia differs from some other systems in neighbouring rights. Australia is not a member of the Hague designs system, so registered designs are filed nationally with IP Australia, and a registered design must be certified (examined) before it can be enforced. Australia has also reformed its designs law in recent years, including introducing a grace period for designs; the scope, conditions and commencement of those changes should be confirmed with IP Australia or local counsel rather than assumed. Copyright in Australia has no registration system; protection arises automatically on creation. These are separate from patents, but they matter when you are mapping out protection for a product as a whole.

IPEnvoy is not a law firm and does not provide legal advice; this is general information. The Australian patent rules summarised here, particularly examination timing, the grace period, term and fees, change over time, so confirm the current position with IP Australia's official website and a qualified local IP professional before acting.