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Co-Founder Agreement Australia: Is Your IP Actually Protected?
If you go into business with a co-founder, a co-founder agreement in Australia should clearly document who owns the brand, the content, the software and the processes the business is built on.
If ownership is not properly documented, it generally defaults to whoever created the intellectual property, not simply whoever the business belongs to. That means if a co-founder built the website, wrote the core content, or developed the underlying process before an agreement was signed, they may retain personal ownership of it even after the partnership ends, unless there’s a clear written assignment in place.
This is one of the most common gaps we see in early-stage partnerships, because IP ownership between co-founders rarely feels urgent at the start. Two people building something together are usually focused on getting the business off the ground, not on which of them technically owns the logo.
The problem is that this is precisely the point at which ownership needs to be settled, because by the time it matters, usually when the relationship is ending, the parties involved are no longer in a position to agree calmly on who owns what.
What Counts as Intellectual Property Between Co-Founders?
Intellectual property in a growing business commonly includes the brand name and logo, website content and design, proprietary processes or frameworks, software or code, client lists and databases, and any original written, visual or audio content produced for the business.
Each of these can be a genuinely valuable asset, and in many service-based and online businesses, intellectual property is the primary thing being built.
Under Australian law, copyright in an original work generally vests in the person who created it, not automatically in the business or the other co-founder, unless there is an employment relationship or a written assignment.
This is true even where the other co-founder paid for the work, provided the idea, or directed how it should look. Paying for something and owning it are not the same thing unless ownership has been properly transferred in writing.
What Happens If a Co-Founder Leaves Without an IP Agreement?
This is where the gap becomes expensive.
If a co-founder who built the website, wrote key content, or developed a proprietary process exits the business without a clear assignment of IP in place, they may retain rights over that material.
Depending on what’s actually at stake, this can mean the remaining founder is unable to continue using core parts of the business, or has to renegotiate ownership under considerably more pressure than if it had been settled at the outset.
We’ve discussed this exact gap in more general terms in Are You Really Legally Protected? Hidden Legal Gaps in Growing Businesses, which notes that a common misconception is assuming that because you paid for something, you automatically own it.
In a co-founder relationship specifically, this misconception is more consequential, because the “buyer” and the “creator” are both people with an ongoing stake in the outcome.
Protecting IP Before You’ve Even Formalised the Partnership
Not every conversation about a potential business partnership results in one.
Founders often exchange ideas, prototypes, client lists or proprietary processes before anything is signed, sometimes while still exploring whether to go into business together at all.
If that information is commercially sensitive, it’s worth protecting before it’s shared, not after.
Co-Founder Agreement IP Ownership Checklist
Run your current agreement, or your current understanding with your co-founder if nothing’s written down yet, through these questions.
Is Ownership of the Brand and Existing Assets Documented?
Does anything say, in writing, who owns the brand name, logo and existing website?
Is New IP Created During the Business Covered?
Is there a clause assigning ownership of content, code or processes created during the partnership, not just before it?
What Happens to IP If a Co-Founder Leaves?
If a co-founder leaves, does the agreement say what happens to what they personally built?
Was Pre-Partnership IP Protected?
Were any ideas, processes or client lists shared before the partnership was formalised, and were they protected at the time?
Does the Agreement Separate Existing and Newly Created IP?
Does the agreement distinguish between IP one person brought into the business and IP the business created together?
If you answered no to any of these, that’s a genuine gap, not a minor detail to tidy up later.
Co-Founder Agreement Australia FAQs
If I paid for a website or logo, do I own it?
Not necessarily. Under Australian copyright law, ownership of an original creative work generally sits with the person who created it, unless there is an employment relationship or a written assignment transferring ownership to you. Paying for the work does not automatically transfer ownership unless that transfer is documented.
What happens to a business’s intellectual property if a co-founder leaves?
Without a written agreement addressing this, a departing co-founder may retain ownership of anything they personally created, such as content, code, or design work, even if it was created for the business. This can significantly affect the remaining founder’s ability to continue operating under the existing brand or systems.
What should a co-founder agreement say about intellectual property?
A co-founder agreement should clearly address ownership of existing intellectual property brought into the business and intellectual property created during the relationship. It should also address what happens to those assets if a founder leaves.
Do I need a separate IP agreement, or does a business collaboration agreement cover this?
A properly drafted business collaboration agreement can include intellectual property clauses covering ownership of both pre-existing and newly created IP, which is generally sufficient for most business partnerships. Whether a separate, more detailed IP assignment is needed depends on the complexity and value of what’s being protected.
Should I use an NDA before going into business with someone?
If you’re sharing commercially sensitive information, such as a proprietary process, client data or an unreleased product, before a partnership is formalised, a non-disclosure agreement can offer some protection during that early stage. It does not replace the need for a broader agreement once you decide to move forward together.
Can a co-founder keep IP they created before the business started?
Pre-existing intellectual property should be clearly addressed in the agreement between the founders. If ownership or assignment has not been properly documented, questions can arise about whether that IP remains personally owned by the founder who originally created it.
Who owns IP created during a business partnership?
This blog is intended for general information purposes only and does not constitute legal advice. The content is based on Australian law and may not be current at the time you read it. Legal requirements may vary depending on your circumstances. Always seek independent legal advice tailored to your specific situation before acting on any information provided.
References
• Copyright Act 1968 (Cth) — Federal Register of Legislation
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