How To File A Patent In Australia

Innovating is exciting - and protecting what you’ve created is just as important. If your business has developed a new product, process or piece of technology, learning how to file a patent in Australia can help safeguard your competitive edge and increase your company’s value.

In this guide, we’ll walk through when a patent makes sense, what the eligibility rules look like, and the step-by-step process to file. We’ll also cover common pitfalls, timelines, and the other intellectual property (IP) tools you may want to use alongside a patent so your whole strategy is covered from day one.

If you’re feeling unsure about any part of the process - that’s normal. With a clear plan (and the right legal support), you can file with confidence and focus on growing your business.

What Is A Patent (And Is It Right For Your Business)?

A patent is a legal right granted by the Australian Government that lets you stop others from making, using or selling your invention in Australia without permission. In exchange, you publicly disclose how it works. For many businesses, this is the foundation of a defensible, scalable advantage.

At a high level, a patent may be worth pursuing if your invention is:

• New - not already publicly disclosed anywhere in the world.
• Inventive - not an obvious variation of existing technology to a person skilled in the field.
• Useful - it does what you say it does.

Most Australian businesses file a provisional application first (to lock in a priority date) and later proceed to a complete application for a standard patent. The standard patent, if granted, generally lasts up to 20 years (25 years for certain pharmaceutical substances).

Patents don’t cover everything. For example, a brand name or logo is protected by a trade mark, and the visual shape or pattern of a product might be better suited to a registered design. Many businesses use a combination of IP rights for full coverage.

Are You Eligible To File A Patent In Australia?

Before you spend time and money on filing, check the three key patentability criteria under Australian law:

• Novelty: Your invention must be new when you file (or on the priority date). Publicly disclosing it - even on your own website or at a pitch event - can destroy novelty. Keep it confidential until you’ve filed.
• Inventive Step: It can’t be an obvious step over existing technology to someone skilled in your field.
• Utility: It must work as described and have a specific, credible use.

Some subject matter can be tricky (for example, business methods or software). Patents for software are possible when there’s a technical solution to a technical problem, but the nuances matter. It’s wise to discuss eligibility with a registered patent attorney early, especially for borderline categories.

Step-By-Step: How To File A Patent

Here’s a practical roadmap many Australian small businesses follow. Depending on your invention and commercial plans, you might adjust the order slightly - but the core steps below will keep you on track.

1) Lock Down Confidentiality

Until you file, treat the invention as confidential. Use a Non-Disclosure Agreement (NDA) with anyone you brief (manufacturers, collaborators, potential investors or pilots). A single public disclosure can compromise novelty and sink your application.

2) Do A Targeted Prior Art Search

Search for similar patents, published applications, academic papers and products. This helps you assess patentability, refine your invention, and brief your attorney. It can also save costs by avoiding claims that are unlikely to succeed.

3) Map Ownership Before You File

Confirm who owns the invention. If employees developed it in the course of their employment, your business (not the individual) will typically own it - but only if your Employment Contract and policies clearly assign IP to the company.

If contractors were involved, make sure your Contractors Agreement transfers IP to your business. If ownership currently sits with a founder or third party, execute an IP Assignment before filing to avoid messy ownership disputes later.

4) File A Provisional Application (Optional But Common)

A provisional application isn’t examined or granted, but it secures an early “priority date.” From that date, you have 12 months to decide where to pursue complete applications (Australia-only and/or internationally via the Patent Cooperation Treaty, known as the PCT).

Benefits of going provisional first include locking in your date while you continue R&D, testing, seeking investment, and building a go-to-market plan under the protection of your NDA strategy.

5) Decide Your Filing Strategy At 12 Months

Before the 12-month anniversary of your provisional, choose your next step:

• File a complete application for a standard patent in Australia; and/or
• File an international (PCT) application to keep options open in multiple countries, then later enter national phases in your target markets.

This is a commercial decision. Consider where you’ll manufacture or sell, your budget, likely competitors, and growth plans. Getting strategic input from an intellectual property lawyer at this juncture is often invaluable.

6) Draft And File Your Complete Application

Strong patents live and die on the quality of the specification and claims. Work closely with a registered patent attorney to draft a complete application that fully describes how the invention works and defines your claims to capture commercial value without overreaching.

Once filed in Australia, your application will be published around 18 months from your earliest priority date. Publication puts competitors on notice and starts your journey toward grant.

7) Request Examination, Respond And Progress To Acceptance

In Australia, examination doesn’t happen automatically. You (or your attorney) must request it within the set timeframe. During examination, an examiner may raise objections based on prior art, clarity, or support. You can often overcome these by amending claims, clarifying the description, or arguing your position.

If accepted, there’s a short public opposition period. If no one opposes (or you overcome any opposition), the patent is granted.

8) Maintain, Commercialise And Enforce

After grant, pay renewal fees to keep the patent in force. Commercialise through your own sales, partnerships, or licensing. If a competitor infringes, you can enforce your rights (often starting with a letter of demand and negotiation). Many businesses monetise their patents via an IP Licence, which sets out how others can use your invention for royalties.

Practical Timelines And Costs

• Provisional to complete filing decision: 12 months.
• Publication: About 18 months from earliest filing date.
• Examination: Request timing varies; overall grant can take 2-4+ years depending on complexity and strategy.
• Costs: Vary widely based on complexity, jurisdictions, and attorney time. Budget thoughtfully - patenting is an investment aligned to your commercial goals.

Tip: Keep detailed R&D records and prototypes. They’re helpful for drafting and can support your position if ownership or dates are ever questioned.

Do I Need To Protect Anything Else Besides A Patent?

Yes - a holistic IP strategy is often the smartest path, especially for market-facing businesses. Consider how these rights work together:

• Trade Marks: Protect your brand name, logo and taglines. Registering a trade mark helps you stop others using a confusingly similar brand and is a key asset for marketing and valuation.
• Registered Designs: Protect the visual appearance (shape, configuration, pattern, ornamentation) of your product. If the look of your product drives consumer appeal, a Registered Design can complement your patent.
• Copyright: Automatically protects original code, drawings, manuals and marketing content. It does not protect ideas, but it does protect your expression of them.
• Trade Secrets/Confidential Information: For tech that isn’t easily reverse-engineered, keeping know-how secret (backed by NDAs and robust internal policies) can be just as valuable as a patent.
• Licences: Use a tailored Software Licence Agreement or general IP Licence to control how customers or partners use your technology while protecting your commercial interests.

You don’t have to choose just one path. The right combination depends on what you’re selling, how you’ll scale, and which risks you need to manage first.

Who Owns The Invention? Get Your IP House In Order

Ownership is critical. If the wrong entity or person owns the rights at filing, fixing it later can be costly - or impossible. Put these foundations in place early:

• Employment Contracts: Ensure they include clear IP assignment and moral rights clauses, confidentiality, and post-employment obligations. Use a robust Employment Contract template tailored to your business.
• Contractors And Consultants: Make sure your Contractors Agreement assigns IP developed in the engagement to your company.
• Founders And Investors: Align on ownership, decision-making and exit scenarios with a Shareholders Agreement and, if relevant, your company setup basics like a Company Constitution. This ensures everyone understands how patent costs and benefits are shared as you grow.
• Chain Of Title: If any IP currently sits with individuals or another entity, execute an IP Assignment so your company is the clear owner before filing.
• Confidentiality Discipline: Keep disclosures on a need-to-know basis and use an NDA as standard practice.

Sorting ownership now avoids disputes that can derail an application, a funding round, or a sale down the track.

Common Mistakes To Avoid When Filing A Patent

• Public Disclosure Before Filing: Pitching without an NDA, launching a product page, or showing at a trade show can destroy novelty. File first, then talk publicly.
• Vague Or Narrow Claims: Claims that are too broad can be knocked back; too narrow and competitors design around you. Work closely with a specialist to calibrate the scope.
• Incorrect Ownership: Filing in the wrong name or without proper assignments creates big headaches. Confirm the chain of title and use the right agreements.
• Missing The 12-Month Window: If you file a provisional, diarise the deadline to file your complete or PCT application. Late is usually fatal.
• Ignoring Commercial Strategy: Filing in every country is rarely affordable. Prioritise markets where you’ll sell, manufacture or face competitors.
• Not Complementing With Other IP: Brand and design protection are often just as important. Consider trade marks and a design registration alongside your patent.

A final tip: patents are technical legal documents. Even if you understand the invention better than anyone, lean on expert drafting and review so the legal protection matches your commercial intent.

Key Takeaways

• Patents protect how your invention works, provided it’s new, inventive and useful - a powerful tool for small businesses building defensible technology.
• Start with confidentiality, sort out ownership, and consider a provisional application to secure your priority date before you go public.
• At 12 months, choose an Australian complete filing and/or a PCT route, based on budget, markets and growth plans.
• Complement patents with other IP rights like a trade mark for your brand and, where relevant, a registered design for product appearance.
• Get your IP foundations right with NDAs, clear employee and contractor IP assignments, and (if needed) a formal IP Assignment into your company.
• Avoid common pitfalls: public disclosure before filing, ownership gaps, missed deadlines, and claims that don’t align with your commercial goals.

If you’d like a consultation on protecting your invention and setting up the right contracts around your patent strategy, you can reach us at 1800 730 617 or team@sprintlaw.com.au for a free, no-obligations chat.