Table of Contents

Novelty means your idea must be new.

In effect, patent novelty is the fundamental requirement that an invention must be new and unique, meaning it hasn’t been publicly known, used, sold, or described anywhere in the world before the patent application’s filing or priority date, ensuring patents are granted only for genuine, original contributions to technology, and not for existing knowledge.

Inventiveness (non-obviousness) asks whether someone skilled in the field would find your idea an obvious step.

As such, non-obviousness (or “inventive step”) requires an idea to be more than a minor, predictable variation on known technology for someone skilled in that field, meaning it offers an inventive leap beyond a simple combination of existing knowledge.

Utility means the invention must have a practical use.

Accordingly, patent utility means an invention must be useful, practical, and work, preventing monopolies on things that don’t function or have no real-world application.

Together, these three considerations form the basic test for whether a patent can be granted on an idea.

Old shoes used for plant pots - is this novel, inventive and useful?

Why these three concepts matter to an inventor?

If you’re an inventor or founder, these three requirements dictate whether filing a patent is worth the effort or not.

Patent protection is vital as it grants exclusive rights to an inventor, allowing them to stop others from making, using, or selling their invention.

This incentivises innovation, provides a competitive commercial advantage, attracts investment, allows for licensing, and ensures inventors can profit from their work.

By rewarding creativity and encouraging disclosure, it ultimately fosters economic growth and technological advancement.

What novelty (newness) means

➡️ Novelty: nothing like it is public already

Novelty simply means that the invention must not have been made public before your filing date.

“Made public” covers patents, journal articles, conference talks, product brochures, websites, demos and even social posts. If the exact same invention is already public, you can’t patent it.

💡Practical note: You can’t prove absolute newness. Instead, you use searches and evidence to reasonably conclude novelty.

For a quick check, run a patent search (see our guide on patent search tips) and look in major databases like Google Patents, AusPat, Espacenet and WIPO.

Example (engineering):
You’ve designed a new drill bit geometry for rock drilling. If an earlier patent already discloses that geometry, your application will likely fail the novelty test. But if your geometry includes a specific, previously undisclosed fillet or cooling channel that materially changes performance, that element may be novel.

For more information, see our article on why to do a patent search.

What inventiveness (non-obviousness) means.

➡️ Inventiveness is about going beyond the obvious next step

Even if your idea is genuinely new, patent law also asks a second question: does it involve an inventive step? In simple terms, this means your invention needs to be more than a straightforward or predictable improvement.

The test looks at how your idea would be viewed by a typical professional working in that field at the time (often referred to in patent law as a “person having ordinary skill in the art” – PHOSITA).

  • If that person would see your idea as an obvious tweak based on what already exists, it may not be considered inventive.
  • If, however, your solution reflects a creative leap – solving a problem in a way others hadn’t clearly arrived at – it’s far more likely to meet the inventiveness threshold.

How examiners judge it:

  • They look at prior patents and literature (the prior art).
  • They ask whether your difference is a predictable variation.
  • If the improvement solves a long-standing problem in a non-trivial way, that supports inventiveness.

Example (software):
A minor code optimisation that speeds up a function by 2% is unlikely to be inventive. But a new algorithm that changes the data structure and yields a 10x speed improvement for large datasets – and does so in an unexpected way – may be considered inventive.

💡 Business strategy point: Because inventiveness is a grey area and quite subjective, many teams file provisional applications to secure a date while they gather data, prototypes, and performance evidence that shows the improvement is non-obvious.

Why Inventiveness is usually the deciding factor.

Why is inventiveness often the hardest requirement to satisfy?

For most inventions, novelty and utility are relatively easy hurdles to assess. An idea is either already disclosed or it isn’t, and it usually has some practical purpose. Inventiveness, however, sits in a much greyer area and is where many patent decisions are ultimately won or lost.

The inventiveness test asks whether your invention would have been obvious to a person skilled in the relevant field at the time you filed – not with hindsight. That means an invention can be new and useful yet still fail if it appears to be a logical or predictable step based on existing technology.

This is why inventiveness is often less about the idea itself and more about how the technical problem is framed and how the solution is described.

Because this assessment involves judgement, context, and comparison with prior art, inventiveness is also the requirement most influenced by claim drafting and overall patent strategy.

A well-structured application can highlight meaningful technical differences that aren’t immediately obvious on the surface.

What utility (usefulness) means.

➡️ Utility: some practical application

Utility is straightforward: the invention must have a real, practical use in trade, industry or agriculture. Purely abstract ideas, perpetual motion claims, or speculative concepts without practical application usually fail this test.

Low hurdle in practice: Most engineering and software inventions clear the utility test easily – if your device or method actually works and has an industrial or commercial use, utility is satisfied.

Example (consumer product):
A two-component plastic hinge that reduces assembly time and meets safety load tests has clear utility.  Examples of non-utility patents include devices that contradict fundamental laws of physics or nature, such as the laws of thermodynamics, meaning they can’t practically work as claimed.

How patent searches support novelty and inventiveness.

A patent search plays a critical role in understanding whether an invention is likely to meet the novelty and inventiveness requirements. By reviewing existing patents and published applications, you gain visibility into what has already been disclosed – and how close your idea sits to it.

Search results often reveal more than just “yes or no” answers. They show common design approaches, recurring technical features, and where competitors have focused their claims. This helps identify which parts of your invention are genuinely different and where inventiveness may lie, even if the overall concept feels familiar.

Importantly, a patent search can also inform how an invention should be positioned. Sometimes the value isn’t in the headline idea, but in a specific improvement, configuration, or technical effect that hasn’t been claimed before. This is where early insight can prevent wasted effort and guide smarter filing decisions.

For more on searching and preparing, see our full guides What can be learned from patent searches and Why do a Patent Search?

Putting the three tests together – a practical workflow.

1. Do a quick novelty check.

Use Google Patents and AusPat to see obvious overlaps. If you find identical disclosures, rethink the concept. See: https://patenteur.com/why-do-a-patent-search/.

2. Evaluate inventiveness with evidence.

Collect prototype data, performance metrics, or expert statements that show the improvement is not an obvious tweak.

3. Confirm utility.

Document how the invention will be used, tested or manufactured. Practical proof (= utility) strengthens your case.

If you’re unsure where your invention sits – or whether a patent is the right move right now – we can help you make sense of it. At Patenteur, we take the time to understand your idea, your market, and your goals, then help you map a clear, commercially sensible path forward.

See our article on Patent Search Tips or contact us to discuss your options.

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Common misconceptions and FAQs.

  1. If I built it first, does that automatically mean it’s patentable?

    Not necessarily. Being “first” doesn’t guarantee patentability if someone else disclosed the same concept earlier, even in a different country or industry. Patentability depends on what was publicly available, not who had the idea first.
     
    Read more about how to protect your invention with a Patenteur.

  2. Can I patent something even if similar products already exist?

    Yes – but only if your invention introduces a non-obvious technical difference. Small design or cosmetic changes usually aren’t enough; the improvement must change how the invention works or the problem it solves.

  3. Does public disclosure always kill my chances of getting a patent?

    Public disclosure before filing is risky, but not always fatal. Some countries (including Australia) offer limited grace periods, while others don’t – which is why timing and filing strategy matter early.

  4. Do I need a working prototype to meet the utility requirement?

    No. You don’t need a finished product, but you do need to clearly explain how the invention works and what it’s used for. If the invention can’t realistically achieve the claimed result, it may fail the utility test.

  5. If my invention sounds “obvious” in hindsight, does that mean it isn’t inventive?

    Not automatically. Inventiveness is assessed at the time of filing, based on what a skilled person knew then – not what seems obvious after the fact. Many valuable patents look simple once you know the solution.

  6. Is novelty, inventiveness, or utility the hardest hurdle to clear?

    For most inventors, inventiveness causes the most uncertainty. Novelty and utility are usually easier to assess, while inventiveness sits in a grey area that depends on technical context, prior art, and claim drafting.

Meeting legal requirements vs building a smart patent strategy.

Passing the tests of novelty, inventiveness, and utility does not automatically mean a patent is worth pursuing. Patentability is a legal threshold – but filing decisions should also align with your commercial goals, timelines, and market position.

In some cases, an invention may only just clear the inventiveness bar, yet still be strategically valuable if it protects a key product feature or blocks competitors. In others, an idea may technically qualify for protection but offer little real-world advantage once costs, enforcement, and market dynamics are considered.

This is why patents are best approached as part of a broader business roadmap, not a box-ticking exercise. Understanding where your invention sits in the landscape helps you decide whether to file now, refine further, or explore alternative protection options – all before committing significant time or money

A final note about Novelty, Inventiveness and Utility

If you’re unsure how novelty, inventiveness or utility applies to your idea, we can help you sort it out. We’ll run the right searches, review the evidence with you, and help decide whether to file, test, or refine your concept. Get in touch to talk through your next step with a practical plan.

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