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.
If you’ve spent time (and money) building a name, logo, look or reputation for your business, it’s frustrating when someone else starts trading in a way that makes customers think they’re connected to you.
That’s where passing off comes in. In simple terms, passing off is a legal claim you may be able to bring when another business “passes off” their goods or services as yours (or as connected with yours), causing harm to your brand.
In this guide we’ll walk through what passing off is, how it works in the UK, the key legal elements you generally need to prove, and practical steps you can take to protect your brand from day one.
This article is general information only and isn’t legal advice. Passing off disputes are fact-specific, and you should get tailored advice for your circumstances.
What Is Passing Off? (Passing Off Meaning In Plain English)
Passing off is a claim under common law (judge-made law) that can protect the goodwill and reputation your business has built up in the marketplace.
Put simply, the passing off meaning is:
- someone makes customers think their business, products, or services are yours (or are linked to yours),
- and that confusion causes damage to your business.
This doesn’t always mean copying your exact business name. Passing off can happen through:
- using a similar name or trading style,
- a similar logo or packaging “get-up”,
- marketing that implies an association or endorsement,
- a misleading domain name or social media handle,
- claiming to be your “official” supplier, reseller, partner, or successor.
It’s especially relevant for startups and small businesses because you might not have registered trade marks yet (or you may be relying on a brand identity that is still evolving). Passing off can sometimes help fill that gap, but it’s usually more evidence-heavy than relying on registered rights.
Passing Off vs Trade Mark Infringement: What’s The Difference?
A lot of business owners assume the only way to protect a brand is a registered trade mark. Trade marks are a big part of brand protection, but they’re not the only option.
Here’s the practical difference:
- Trade mark infringement: you rely on a registered trade mark and show the other party is using an identical or confusingly similar mark for relevant goods/services.
- Passing off: you don’t need a registered trade mark, but you must prove your reputation (goodwill), the other party’s misrepresentation, and resulting damage.
So if you’re asking what passing off is and whether you need a trade mark, the answer is: passing off can help even without registration, but it can be harder (and more evidence-heavy) to prove.
That’s why it’s often still worth exploring Register a Trade Mark once your brand name and offerings are settled, and budgeting early for trade mark registration costs.
What Do You Have To Prove Under UK Passing Off Law?
In the UK, the law of passing off is often explained using the “classic trinity”. To succeed with a passing off claim, you generally need to prove:
- Goodwill (you have a protectable reputation in the market)
- Misrepresentation (the other party’s conduct leads the public to believe there’s a connection with you)
- Damage (that confusion harms your goodwill or business)
Let’s break each one down in plain English.
1) Goodwill: Do You Have A Reputation Customers Recognise?
Goodwill is essentially the value of your business’s reputation and customer recognition. It can come from trading under a name, distinctive branding, a loyal customer base, or being well-known for a certain product or service.
For small businesses and startups, this point matters because passing off protection isn’t automatic just because you’ve reserved a domain name or incorporated a company.
Goodwill usually comes from real-world trading activity in the UK, such as:
- sales history and customer invoices,
- website traffic and online enquiries,
- social media following and engagement,
- press coverage and reviews,
- evidence customers associate the name/branding with you.
Tip: If you’re early-stage, keep records. Even basic evidence (dated screenshots, marketing spend, sales reports) can help show that your brand has become known in your market.
2) Misrepresentation: Is The Other Business Causing Confusion?
Misrepresentation is the heart of passing off law. It means the other party’s branding, marketing or conduct is likely to mislead customers into thinking:
- their products/services are yours, or
- their business is affiliated with you (for example, a branch, reseller, or “official” provider), or
- you’ve endorsed, approved, or partnered with them.
This is not limited to deliberate copying. Even if they didn’t mean to confuse anyone, if customers are likely to be misled, you may still have an issue.
Courts will look at the overall impression. For example, small tweaks to spelling might not be enough to avoid confusion if the name, look, and market are very similar.
3) Damage: What Harm Has Been Caused (Or Is Likely)?
Finally, you need to show damage to your goodwill. This could be:
- lost sales or diverted customers,
- price erosion (you feel forced to discount),
- harm to reputation (customers complain about their product thinking it was yours),
- dilution of your brand (your brand becomes less distinctive),
- loss of control over how your brand is represented in the market.
In many cases, you don’t need to prove the exact amount of financial loss at the start. But you do need a credible link between the confusion and likely harm.
Common Examples Of Passing Off That Catch Small Businesses Out
Passing off disputes often happen when businesses operate in the same region, the same online niche, or have overlapping customer groups. Here are common scenarios we see (and how they can play out).
Similar Business Names In The Same Market
This is the classic example: you trade for a while under a distinctive name, then another business opens up using a very similar name and offers similar services.
If customers start emailing you about the other business, leaving reviews meant for them on your listings, or turning up at the wrong premises, those are all signs of confusion that could support misrepresentation and damage.
Copycat Logos, Colours, Or “Get-Up”
Passing off isn’t just about names. Packaging, product presentation, website design, and overall “look and feel” can all contribute.
For example, if your online store has a distinctive style and another store copies it closely enough that customers think it’s you, that can potentially support a passing off claim.
Misleading “Official” Claims Or Endorsements
Another common issue is where a business implies they are “official”, “authorised”, or “the original” in a way that points back to you.
This can show up in:
- website copy (for example, “the official provider” wording),
- ads that target your name as a keyword,
- social media bios suggesting a partnership.
Domain Names And Social Handles That Divert Customers
If someone registers a domain name that’s close to your trading name and uses it to capture your traffic, that can also feed into misrepresentation and damage-especially if customers are being redirected to a competitor.
“Lookalike” Products In A Crowded Market
In some industries (like food, cosmetics, clothing, or software), product lookalikes are common. Not every lookalike is passing off, but if the presentation is designed (or likely) to make buyers think it’s from you, it can become a real risk.
This is one reason it’s smart to do brand checks early and, where needed, put your rights in writing through something like a Clearance Agreement when you’re collaborating, co-branding, or operating near similar names.
How Do You Protect Your Business From Passing Off (And Avoid Accidentally Passing Off Yourself)?
Passing off disputes are expensive distractions, and for small businesses they can be a real growth killer.
The good news is you can reduce your risk with some practical steps early on.
1) Choose A Distinctive Brand (And Check It Before You Commit)
A distinctive name and brand is easier to protect and less likely to conflict with others.
Before you invest in signage, packaging, and a website, do a quick sense-check:
- search Companies House for similar names,
- search Google and social platforms for similar trading names,
- search the UKIPO trade mark database for similar marks (especially in your sector),
- check domain availability and potential “near matches”.
This helps in two directions:
- you’re less likely to face a claim that you are passing off, and
- you’re more likely to have a strong brand you can defend.
2) Register Key IP Where It Makes Sense
Passing off can protect goodwill, but registered rights are often clearer and easier to enforce.
Depending on your business, that might include registering a trade mark for your business name, logo, or a key product brand. (This is also where understanding trade mark registration costs upfront can help you plan sensibly.)
3) Use Clear Terms In Customer And Reseller Relationships
Sometimes customer confusion doesn’t come from a “random competitor” at all. It can come from distributors, resellers, contractors, or marketing partners being sloppy (or opportunistic) with how they use your name.
Having well-drafted Terms and Conditions can help you control:
- how your brand can be used,
- what the other party can and can’t claim in marketing,
- what happens if they misrepresent the relationship.
And whenever you’re entering a new commercial arrangement, it helps to understand what makes something legally binding, so your brand protection clauses actually stick.
4) Be Consistent With Your Branding (So You Can Prove Goodwill)
Consistency isn’t just a marketing issue. It’s a legal advantage.
If you regularly change your logo, colours, or business name, it can be harder to show that the public strongly associates the brand with your business.
Try to keep a clear “primary” brand identity, and document the dates you launched each brand element.
5) Keep Evidence Of Your Reputation
If a passing off issue pops up, you’ll want evidence ready to go. Useful records include:
- when you started trading, and under what name,
- sales volumes and key contracts,
- screenshots of your website and social pages over time,
- reviews, testimonials, and press mentions,
- examples of actual confusion (misdirected emails, mistaken enquiries, customer messages).
What Can You Do If Another Business Is Passing Off Your Brand?
If you think someone is passing off, it’s tempting to jump straight to social media or fire off an angry email. That usually doesn’t help (and in some cases can make things messier).
Instead, treat it like a business risk issue and take structured steps.
Step 1: Confirm The Facts And Capture Evidence
Start by gathering and saving evidence:
- screenshots of their website, ads, and social pages,
- examples of confusing branding or misleading wording,
- customer messages showing confusion,
- your own evidence of goodwill (sales history, marketing activity, etc.).
This matters because passing off claims are evidence-driven. The earlier you capture proof, the better.
Step 2: Work Out Your Legal Options (Passing Off, Trade Marks, Copyright, Contracts)
Passing off may be one route, but it’s not the only one.
Depending on your situation, you might also have options under:
- trade mark law (if you have registered marks, or can apply to register),
- copyright (if they’ve copied original artwork, text, photos, or design assets),
- contract (if a former supplier/contractor is breaching terms),
- platform enforcement (reporting via marketplaces, social platforms, or domain providers).
If the issue involves copied creative content, putting a clear copyright notice on your website and materials can also help make your position clearer moving forward.
Step 3: Send A Formal Letter (The Right Way)
Often, the first formal step is a lawyer-drafted letter setting out your rights and what you want the other party to do (for example, stop using the name, take down branding, hand over a domain, or publish a correction).
This is commonly done as a Cease And Desist Letter, but the strategy and wording should be tailored to your goals and the strength of your claim.
Done properly, a formal letter can resolve things without going to court. Done badly, it can escalate the dispute or tip off the other side without applying real pressure.
Step 4: Consider Negotiation Or Settlement
Many passing off disputes settle with practical commercial outcomes, such as:
- a rebrand with a transition period,
- an agreement about how each party will market and describe their business,
- handing over a domain name or social handle,
- cost contributions (for example, towards rebranding).
This can be a sensible approach when you’re a small business and want a fast, cost-effective solution.
Step 5: Court Action And Remedies (If You Need To Escalate)
If the issue is serious and doesn’t resolve, you may consider court action. Remedies can include:
- injunctions (a court order to stop the conduct),
- damages (compensation) or an account of profits,
- delivery up or destruction of infringing materials,
- legal costs orders (though costs risk cuts both ways).
Court action is rarely the first choice for startups, but it can be necessary if the harm is ongoing or the other party refuses to stop.
Key Takeaways
- What is passing off? It’s a UK common law claim that can protect your business when another trader misleads customers into believing their goods or services are yours (or connected to yours).
- The core of passing off law is the “classic trinity”: you generally need to prove goodwill, misrepresentation, and damage.
- Passing off can apply to more than business names, including logos, packaging, website “get-up”, misleading marketing claims, and domain/social handles.
- Even if you don’t have a registered trade mark, good record-keeping (sales, marketing, customer confusion evidence) can help you prove goodwill and damage.
- The best defence is a proactive one: choose a distinctive brand, consider trade mark registration, use clear Terms and Conditions, and keep your branding consistent.
- If you suspect passing off, avoid knee-jerk responses-gather evidence, assess your legal options, and consider a properly drafted cease and desist letter.
If you’d like help protecting your brand or responding to a passing off issue, you can reach us at 08081347754 or team@sprintlaw.co.uk for a free, no-obligations chat.


