Trade Marks In Paid Search Advertising In Australia: A Practical Guide

Paid search can be one of the fastest ways to get in front of customers who are already looking for what you sell. For startups and small businesses, it often feels like the perfect growth lever: you can switch campaigns on quickly, test messaging, and see leads (and sales) in days rather than months.

But a common legal and commercial pain point comes up once you start competing for the same customers as other players in your market: how trade marks in paid search are used.

Maybe you’ve noticed competitors’ ads showing up when you search for your business name. Maybe your marketing agency wants to bid on a competitor’s name. Or maybe you’ve received an email saying you’re “infringing trade marks” just because you used a certain keyword.

This guide walks you through what matters in Australia, how to think about risk, and what you can do to protect your brand (without killing performance). It’s general information only - what’s “allowed” can be highly fact-specific, and the right approach depends on your ad copy, targeting settings, landing pages, and the context of your market.

What Do “Trade Marks In Paid Search” Actually Mean?

When people talk about trade marks in paid search (or trademarks in paid search), they’re usually talking about paid ads that appear on search engines when someone types in a particular word or phrase.

Two different things can be involved:

• Bidding on a keyword: choosing a keyword (which could be a trade mark) that triggers your ad to show.
• Using a trade mark in ad copy: putting the brand name (or a confusingly similar name) in the headline, description, URL display path, or extensions.

These are not the same risk level.

From a legal perspective, the big issue is usually not only “did you bid on a word?”, but whether the way the trade mark is used in the ad ecosystem (including how the ad is presented and what happens after the click) is likely to confuse customers. In some situations, trade mark infringement risk can still arise even if the trade mark isn’t visible in the ad copy, depending on the overall context.

That’s why a sensible approach focuses on how the ad looks and reads to a customer, not just what’s happening behind the scenes in the ad account.

Why This Gets Messy For Small Businesses

In a crowded market, it’s normal for customers to search for a known brand and then compare alternatives. Paid search sits right in the middle of that behaviour.

At the same time, your brand name is often one of your most valuable assets. If a competitor “hijacks” searches for your name, it can feel unfair (and commercially damaging).

The legal question is whether what they’re doing crosses the line into:

• trade mark infringement,
• misleading or deceptive conduct, or
• passing off (a broader “don’t pretend to be me” concept in Australian law).

Even where something may be arguable either way, disputes can be expensive and time-consuming. That’s why prevention and good campaign hygiene matter.

Is It Legal To Bid On Someone Else’s Trade Mark In Australia?

There isn’t a single “yes” or “no” answer that fits every scenario, because the risk depends on how the trade mark is used, the goods/services involved, and whether your ad is likely to confuse customers. It’s also worth noting that trade mark infringement and ACL issues can overlap - you can have risk under one regime even if the other is less clear.

As a practical starting point, here’s the way many businesses approach it:

• Bidding on a competitor’s trade mark as a keyword can sometimes be lower risk if the trade mark is not used in the visible ad and the ad is clearly your business - but it’s not risk-free, and context matters.
• Using a competitor’s trade mark in the ad copy (especially the headline) is generally higher risk because it can create confusion about who the customer is dealing with.

That said, “lower risk” doesn’t mean “no risk”. You also need to consider Australia’s consumer law rules around clarity in advertising, as well as the possibility of trade mark infringement depending on how the campaign operates in practice.

In Australia, the Australian Consumer Law (ACL) broadly prohibits misleading or deceptive conduct. This is relevant because a paid search ad can mislead even if it doesn’t exactly copy a logo or identical name.

If your ads (or landing page) create a false impression of an association, endorsement, or official relationship, you may be exposed to a complaint or legal claim.

Common High-Risk Patterns We See

If you want a quick sense-check for your campaigns, these are common “red flags”:

• Using a competitor’s brand name in your headline (even with wording like “official” or “approved”).
• Using a competitor’s brand name in the display URL path (for example, “/competitor-name”).
• Landing pages that look like a competitor’s site, or that bury the fact you’re a different business.
• Copy that suggests you are the competitor or part of their group (even indirectly).

Even if your intention is just to offer an alternative, the test often comes back to how an ordinary customer would read and understand the ad.

What About Comparative Advertising (Eg “Better Than X”)?

Comparative advertising is not automatically illegal in Australia, but it needs to be handled carefully.

If you reference another business’s trade mark to compare features, pricing, or performance, you need to be confident that:

• your claims are accurate and can be substantiated,
• the comparison is fair and not misleading, and
• your ad still makes it clear you are a different business.

Comparative ads can be effective, but they also tend to attract complaints if the other party feels you’re riding on their brand reputation.

How To Reduce Legal Risk When Running Paid Search Ads

If you’re trying to grow efficiently, you usually don’t want to “ban” your marketing team from anything that sounds legal-ish. A better approach is to put guardrails in place so you can run smart campaigns with a lower risk profile.

1) Keep Your Branding Very Clear

Your ads should clearly identify your business, not just your product category.

That means your ad copy should:

• use your business name (or your brand),
• avoid language that implies you’re the official provider for someone else, and
• avoid confusing phrasing like “authorised”, “official”, “approved”, or “partner” unless it’s genuinely true and you can prove it.

This “clarity first” approach also helps with conversion: people who click understand who they’re buying from.

2) Be Careful With Keyword Match Types And Negatives

From a practical risk-management standpoint, match types and negatives matter because they affect when your ad shows.

For example, if your campaign is broad match with minimal negatives, you might accidentally show on searches that include a competitor’s brand name - even if you didn’t intend to target it. That’s often how disputes start.

Consider whether you need:

• negative keywords for competitor names (where appropriate),
• tighter match types for higher-intent keywords, and
• regular search term reviews to catch unexpected triggers.

This isn’t legal advice on its own, but it’s a practical way to reduce “unintended” trade mark-related exposure.

3) Make Sure Your Landing Page Matches The Promise

Many trade mark and consumer law issues don’t stop at the ad. They escalate when the landing page reinforces confusion.

Make sure your landing page:

• clearly shows your logo and business name,
• doesn’t mimic another brand’s “look and feel”,
• doesn’t use competitor branding in a way that suggests affiliation, and
• doesn’t make claims you can’t back up.

If you sell online, it’s also a good time to check your E-Commerce Terms and Conditions are up to date so what you promise in ads aligns with what you deliver (delivery timeframes, refunds, subscriptions, and so on).

4) Don’t Rely On “Everyone Does It”

It’s common to hear “competitors bid on our name, so we can bid on theirs”. But legal risk isn’t cancelled out because the market is aggressive.

If you’re making decisions based on what competitors do, you may inherit their risk (and their mistakes).

A better approach is to set a policy that fits:

• your brand’s risk appetite,
• your growth stage, and
• how much you can afford to spend time and money on disputes.

Protecting Your Own Brand From Competitors’ Ads

If competitors are showing up on searches for your name, you have both marketing levers and legal levers. The most effective strategy often uses a mix of both.

1) Register Your Trade Mark (So You Can Enforce It)

This is the foundation step. If your brand name (or logo) isn’t registered, enforcing your rights can be harder and more uncertain.

Trade marks are one of the core ways to protect your brand identity in Australia. If you haven’t locked down your key assets yet, it’s worth reviewing your position and considering whether trade mark registration fits your plans.

Also remember that a business name, domain name, and company name are not the same thing as a registered trade mark. If you’re setting up or refining your structure, having a proper Company Set Up and the right registrations can help you build a stronger base for enforcement later.

2) Run “Brand Defence” Campaigns

On the marketing side, many businesses run a low-cost “brand defence” campaign targeting their own name. The idea is to:

• ensure you appear consistently for branded searches,
• control the message customers see, and
• reduce the chance of competitors intercepting those customers.

Even though it can feel annoying to “pay for your own name”, brand defence often improves customer experience and reduces leakage.

3) Gather Evidence Before You Escalate

If you think a competitor is doing something improper, start by documenting what you’re seeing. That can include:

• screenshots of the search query and the ad,
• the date and time,
• the landing page you were sent to, and
• any follow-up pages that reinforce confusion (like checkout pages or “about us” pages).

In disputes about trade marks in paid search, evidence matters because ads can change quickly, and what’s shown to one user may not be shown to another.

4) Consider A “First Step” Approach Before Litigation

Many small businesses don’t want to jump straight to court (and that’s understandable). Often, the first step is to seek advice on whether there’s likely a breach, and then choose a response that fits the situation.

In some cases, a formal letter can be used to ask the other party to stop or change their ads. If you’re weighing up that path, a tailored cease and desist letter can be an efficient way to set expectations without overcommitting to a full-blown dispute.

What Legal Documents And Policies Support Your Paid Search Strategy?

Trade marks in paid search is one piece of the puzzle. The other piece is making sure your business is set up to reduce risk when customers click through and buy, sign up, or enquire.

Here are documents that commonly support a paid search-driven business (especially if you’re scaling fast).

• Website Terms and Conditions: sets the rules for using your website, and helps manage issues like acceptable use, disclaimers, and limitations of liability. For many online businesses, Website Terms and Conditions are a baseline document.
• Privacy Policy: if your ads drive traffic to lead forms, email lists, or analytics tracking, you’re likely collecting personal information. A clear Privacy Policy helps explain what you collect and why.
• Customer Contract or service terms: if you’re selling services (B2B or B2C), your paid traffic should land into a clear agreement structure so you’re not negotiating from scratch on every deal. A solid Service Agreement can reduce disputes about scope, payment, and deliverables.
• Employment Contracts (and contractor agreements): if you’re hiring marketing staff or engaging agencies/contractors, your contracts should clearly allocate responsibilities (including who controls ad accounts, who owns creative assets, and how confidential information is handled). An Employment Contract is often part of building a compliant team structure.
• Internal marketing policy: even a simple written policy can set boundaries for your team (for example, when competitor terms can be targeted, and what language is prohibited in ad copy). This is not always a formal “legal document”, but it can prevent expensive mistakes.

Not every business needs all of these from day one. But if paid search is a key channel for you, getting your legal foundations in place early can save a lot of stress later.

Key Takeaways

• Trade marks in paid search usually comes down to whether your ads (and landing pages) create customer confusion, not just what keywords you bid on behind the scenes - but trade mark infringement risk can still be argued in some cases even without visible use, depending on context.
• Bidding on a competitor’s trade mark may be treated differently from using their trade mark in your visible ad copy, but both can create risk depending on context.
• Clear branding, careful match types/negative keywords, and honest landing pages are practical steps that reduce the chance of disputes.
• If competitors are advertising on your brand searches, registering and enforcing your trade mark rights (where appropriate) can be an important part of protecting your growth channel.
• Strong legal foundations (like Website Terms, E-Commerce Terms, and a Privacy Policy) help ensure your paid traffic converts under clear, compliant terms.

If you’d like a consultation on trade marks in paid search or protecting your brand as you scale, you can reach us at 1800 730 617 or team@sprintlaw.com.au for a free, no-obligations chat.