Alex is Sprintlaw’s co-founder and principal lawyer. Alex previously worked at a top-tier firm as a lawyer specialising in technology and media contracts, and founded a digital agency which he sold in 2015.
“Proprietary” is one of those business words that pops up everywhere once you start building a product, a brand, or a tech-enabled service.
You’ll see it in customer contracts (“proprietary software”), investor decks (“proprietary technology”), employment agreements (“proprietary information”), and even day-to-day conversations (“that’s proprietary, don’t share it”).
But what people mean by “proprietary” isn’t always obvious - and if you’re not careful, using the word loosely can create confusion (or worse, weaken your legal position when you need to protect what you’ve built).
In this guide, we’ll break down what “proprietary” typically means in an Australian small business and startup context, how it connects to intellectual property (IP) and confidentiality, and what practical steps you can take to protect proprietary assets as you grow.
What Does “Proprietary” Mean In A Business Context?
In plain English, proprietary generally means:
- owned by a particular person or business, and/or
- special to that person or business (often because it’s not publicly available), and/or
- subject to restrictions on use, copying, or disclosure.
So when you hear “proprietary information” or “proprietary technology”, the speaker is usually communicating: this belongs to us and you can’t use it or share it freely.
Importantly, “proprietary” is often used as shorthand for two related ideas:
- Ownership (for example, IP rights like copyright or trade marks); and
- Confidentiality (for example, know-how, trade secrets, internal processes, pricing, customer lists).
In practice, a “proprietary asset” could be protected by formal IP registration, by contract, by confidentiality controls, or by a combination of all three.
Is “Proprietary” A Legal Category On Its Own?
Usually, no. “Proprietary” isn’t a single legal label that automatically grants protection just because you wrote the word into a document.
Instead, calling something “proprietary” is often a signal - it signals that the business is claiming it as owned and/or confidential - but you still need the right legal structure and documentation behind that claim if you want it to hold up when there’s a dispute.
Where You’ll Commonly See “Proprietary” (And What It Usually Refers To)
Understanding what “proprietary” means gets easier once you see how the word is used in real business documents.
1) Proprietary Information
Proprietary information is commonly used to describe valuable information that gives your business an edge and isn’t meant to be shared outside the business (or outside a limited circle of trusted people).
Examples include:
- pricing models and margin data
- customer lists and lead lists
- sales scripts, marketing strategies, and campaign results
- supplier terms and manufacturing methods
- internal workflows, automation logic, and operational playbooks
- product roadmaps and unreleased features
This kind of information is often protected through contracts like a Non-Disclosure Agreement and well-drafted confidentiality clauses in your broader commercial agreements.
2) Proprietary Software / Proprietary Technology
Proprietary software usually means software owned and controlled by a business, where others only get limited rights to use it (often through a licence), not ownership of it.
This matters if you:
- run a SaaS platform or app
- license software to clients
- sell a product that includes embedded software
- use contractors to build software (and need to ensure your business owns the code)
In many cases, the “proprietary” part isn’t just the code - it can also include your databases, your user interface design, your system architecture, and your unique business logic.
3) Proprietary Materials / Proprietary Content
Service businesses often use “proprietary materials” to describe things like:
- training manuals and onboarding guides
- course content and workshop slides
- templates, scripts, and frameworks
- internal checklists and playbooks used to deliver services consistently
These materials are often protected by copyright automatically (as soon as they’re created), but your contracts still matter because they clarify how clients can use the materials (and whether they can share them with others).
4) Proprietary Brand Elements
Branding can also be “proprietary”. This might include:
- your brand name
- logos and visual identity assets
- product names or feature names
- taglines
To properly protect a brand, you’ll often look at trade mark strategy (not just “calling it proprietary” in your marketing). For many startups, this becomes part of a broader effort to register your trade mark early enough to deter copycats and reduce naming disputes.
Proprietary vs Confidential: What’s The Difference (And Why It Matters)?
People often use “proprietary” and “confidential” interchangeably, but they aren’t always the same.
Here’s a practical way to separate them:
- Confidential information is information that should not be disclosed. It may or may not be a formal IP right.
- Proprietary is broader - it can mean confidential, and/or it can mean owned (like IP), and/or it can mean restricted.
For example:
- Your customer list might be confidential and also treated as proprietary information, even though you don’t “register” it as IP.
- Your logo is typically owned IP (copyright, and potentially a trade mark), and it’s proprietary - but it may not be confidential if it’s publicly used on your website.
For startups, this distinction is important because the legal tools differ:
- If you’re protecting something because it’s secret, you usually need confidentiality controls, NDAs, and careful operational discipline.
- If you’re protecting something because it’s owned IP, you may need IP assignments, licences, and potentially registrations (like trade marks).
How Do You Protect Proprietary Assets In Australia?
If you want to do more than just say something is proprietary, you’ll usually need to set up protection in a few layers.
1) Clarify Who Owns What (Especially With Co-Founders And Contractors)
Ownership can get messy quickly when:
- two founders build an MVP together before incorporating
- a contractor builds your website or software
- your team creates marketing assets, courses, templates, or documentation
As a starting point, make sure your business structure and core documents reflect what you’re building and who should own it going forward.
If you’re operating through a company, a Company Constitution can help set governance rules around decision-making, share rights, and internal management (which becomes particularly important as you scale) - but IP ownership is usually dealt with more directly in your founder documents and IP assignment clauses.
If you have multiple founders, a Shareholders Agreement is often one of the most practical ways to set expectations early - including how IP is handled, what happens if someone leaves, and how disputes are managed.
2) Use The Right Contracts To Control Use And Disclosure
Even when you clearly own an asset, contracts are what often determine:
- who can access it
- how they can use it
- whether they can share it
- what happens if they misuse it
Depending on your business model, you might need:
- Customer terms that clarify you own the IP and you’re only licensing usage to the customer
- Contractor agreements that assign IP to your business (and include confidentiality obligations)
- Employment agreements with confidentiality and IP clauses
If you’re hiring staff, don’t underestimate how much risk sits in poorly documented arrangements. A tailored Employment Contract is often the document that makes it clear your business owns work product created in the course of employment and that internal information stays protected.
3) Protect Your Data And Customer Information Properly
For many modern businesses, your most valuable proprietary asset isn’t a physical product - it’s your information: customer data, transaction data, behavioural analytics, and insights about what works.
If you collect personal information (for example, through a website enquiry form, mailing list, online store, or app), you’ll also want to make sure your external-facing documents match what you actually do with data. This is where a clear Privacy Policy becomes a foundational piece of compliance and customer trust.
From a “proprietary” perspective, privacy and confidentiality can overlap - but they’re not the same. Privacy law is about protecting individuals’ personal information, while “proprietary information” is about protecting your business assets. You often need both frameworks working together.
4) Register IP Where Registration Is The Best Tool
Not all IP is registered in Australia - but some of the most commercially important protections are registration-based.
For example, trade marks are a key way to protect brand identity. If you’ve invested in your name and brand reputation, relying on “proprietary” language alone usually isn’t enough.
This is why many businesses prioritise steps to register your trade mark once they’ve validated their offer and are confident they’ll keep using the brand long-term.
5) Make “Proprietary” Operational (Not Just Legal)
Legal documents work best when your operations support them.
For example:
- limit access to sensitive information (need-to-know access)
- use password managers and access logs
- set internal policies about sharing documents externally
- mark sensitive documents clearly (for example, “Confidential”)
- have a process for offboarding staff and contractors (removing access immediately)
These practical steps help reinforce the idea that the information really is treated as proprietary - which can matter if you later need to enforce confidentiality obligations.
Common Proprietary “Trapdoors” For Small Businesses And Startups
Most proprietary disputes don’t happen because a founder did something malicious. They happen because things were unclear early, and the business grew faster than its documentation.
Here are some common risk areas to watch for.
“We Paid For It, So We Own It” (Not Always)
It’s a very common assumption that paying a freelancer means you automatically own what they created.
In reality, IP ownership depends on the agreement and the circumstances. If you’re getting a contractor to build software, write content, design branding, or create a course, you’ll generally want a written agreement that clearly deals with IP ownership and assignments.
Co-Founders Building Before Setting Up The Company
Many startups begin with two or three people collaborating informally. That’s normal.
But if your “proprietary technology” is built before the company is properly established (or before ownership is clearly documented), you can end up with disputes about who owns what - especially if someone leaves, investors come in, or the business pivots.
Getting your structure and founder arrangements clear early can save a lot of pain later.
Pitch Decks And Demos Without Protection
Raising funds or winning major clients often involves sharing information you consider proprietary: prototypes, roadmaps, pricing strategy, and product functionality.
You may not always be able to get an NDA signed (particularly with large organisations or investors who refuse them), but you can still manage risk by thinking carefully about:
- what you disclose and when
- whether you can show outcomes without revealing the “how”
- whether your contracts and internal IP ownership are already in order
Calling Something “Proprietary” In Marketing Without Substantiating It
It’s fine to be proud of your product and talk about what makes it different - but be cautious about implying exclusivity or ownership you can’t back up.
From an Australian Consumer Law (ACL) angle, marketing claims should be accurate and not misleading. From an investor or buyer due diligence angle, you’ll want your “proprietary” claims to match your documentation and legal rights.
Key Takeaways
- In business, “proprietary” usually means “owned and/or confidential and not free for others to use or share”.
- “Proprietary” isn’t a magic legal label - it’s strongest when supported by the right IP ownership, confidentiality controls, and contracts.
- Startups commonly use “proprietary” to describe software, business methods, internal information, brand assets, and training materials.
- Protecting proprietary assets often requires a mix of founder documentation (like a Shareholders Agreement), clear IP ownership/assignment terms, and strong commercial contracts.
- If you collect personal information, compliance documents like a Privacy Policy also help reduce risk and build trust while protecting valuable business data.
- The biggest proprietary disputes often come from unclear ownership with co-founders, staff, or contractors - getting your documents in place early is usually far cheaper than fixing problems later.
This article is general information only and does not constitute legal advice.
If you’d like a consultation on protecting your proprietary IP, contracts, or business structure as you grow, you can reach us at 1800 730 617 or team@sprintlaw.com.au for a free, no-obligations chat.








