Can I Patent My Invention If It’s Been Registered Overseas?

Table of Contents

Share at:

Have you proudly taken part in livening an innovative idea? The time, effort and dedication invested into your invention deserves to be acknowledged. You deserve the exclusive rights to commercially exploit your invention.

What if a patent already exists in an overseas trade market? Are you worried that an existing patent overseas will bar your chances of being successfully granted a patent for your invention in Australia?

Applying for a patent is an important and difficult process, LawPath recommends seeking advice from a patent attorney.

What is a Patent?

According to IP Australia, a patent is a legally enforceable right for a device, substance, method or process that you have created. For more information regarding what is a patent, why you should patent and the types of patents available, check out our article ‘What is a Patent?’

Who Grants a Patent?

IP Australia is the national government agency that administers intellectual property (IP) rights in Australia. They are responsible for assessing your patent application and subsequently granting the patent for your invention.

The assessment of your patent application with IP Australia is influenced by the operation of the Patent Co-Operation Treaty (PCT) to which Australia co-signed in 1980.


The Treaty

The PCT is an international treaty that streamlines the patent application process within overseas trade markets. Applying for a patent through the PCT for inventions intended to be commercialised in the markets that are signatories to the treaty is equivalent to lodging a separate patent application within each market.

Applying for a patent under the PCT? LawPath recommends seeking advice from a patent attorney.

An Existing Overseas Patent

If the overseas patent was granted under the PCT, it would be enforced within the Australian jurisdiction. Hence, the success of your patent application will be highly unlikely.

However, if the overseas patent was granted by its respective domestic government authority and not under the PCT, your chances of a successful patent application would be less slim. Even though the overseas patent would be unenforceable within the Australian jurisdiction, it may impede one of the three criteria considered by IP Australia when assessing your patent application – namely, the requirement that the invention is ‘new’. This assessment depends on a range of factors surrounding your application and the overseas patent.

Want to be advised of the likelihood of your patent application when an overseas patent exists? LawPath recommends seeking advice from a patent attorney.

Don’t know where to start? Contact a LawPath consultant on 1800 529 728 to learn more about customising legal documents, obtaining a fixed-fee quote from our network of 750+ expert lawyers or to get answers to your legal questions.

Share at:

Simplify creating legal documents today

Browse through Lawpath's AI tools which can be used to draft, review and refine legal documents today!

Related Articles

Choosing the Right Business Structure in Australia: Taxation Explained

Choosing the right business structure involves understanding their tax implications. Let us walk you through the process in our detailed guide.

Common Tax Deductions for Businesses in 2026: An Overview

This article will ensure you know the key tax deductions for your business in 2025 and ensure you know how to navigate them.

Do I Have to Pay Tax on Distributions From an Irrevocable Trust?

A trust is a relationship where a trustee holds property for the benefit of another. Find out how tax applies to an irrevocable trust here.

How to Apply for a Tax File Number (TFN) Online (2026 Update)

Your Tax File Number (TFN) is an allocated number which you will carry with you throughout your life. Read about how to apply for it online here.

How to Lodge Your Individual Tax Return (2026 Update)

Not sure how to get your taxes sorted? Read this article for everything you need to know about filing your individual tax return.

Inheritance and Estate Taxes in Australia: An Explainer

Taxes are a part of everyday life for people living in Australia. Read this article to find out how inheritance and estate taxes work.