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The UK IPO received over 90,000 trademark applications in 2024. A significant portion face examination objections, and many of those objections stem from entirely avoidable errors. Here are the ten mistakes that trip up applicants most often, and how to sidestep each one.
Filing a UK trademark is not inherently complicated. The online process takes around 30 minutes, and the base fee is £205 for a single class. Yet roughly half of DIY filings contain at least one significant error that triggers an objection, delays registration, or results in outright refusal. The filing fee is non-refundable, so getting it wrong is not just frustrating; it is expensive.
This guide covers the ten most common mistakes, drawn from real patterns seen in UK IPO examination reports. Whether you are filing for the first time or have submitted applications before, working through this list before you click "submit" will materially improve your chances of a clean registration.
This is the single most expensive mistake. If an identical or confusingly similar mark already exists on the register, your application will either be opposed by the existing owner or refused at examination. Your £205+ filing fee is gone, and you are back to square one.
Before filing anything, search the UK IPO register, the EUIPO register (since EU marks are enforceable in the UK via comparable rights), and ideally the USPTO if you have international ambitions. A comprehensive clearance search checks not just identical marks but phonetically and visually similar ones in related classes.
Use our free trademark search to run a multi-register check in seconds. It flags phonetic similarities, visual overlaps, and conceptual conflicts that a basic text search would miss.
Section 3(1)(c) of the Trade Marks Act 1994 prohibits registration of marks that consist exclusively of signs that describe the goods or services. "Best Coffee" for a coffee shop, "Quick Delivery" for a courier service, "Soft Towels" for textiles: all of these will be refused.
The spectrum of distinctiveness runs from generic (unregistrable) through descriptive (usually refused) and suggestive (registrable with care) to arbitrary and fanciful (strongest protection). Aim for the suggestive-to-fanciful end. "Apple" for computers is arbitrary. "Computer Shop" for computers is generic.
Tip: If your proposed name immediately tells consumers what you sell, it is almost certainly too descriptive. A good trademark makes people curious, not informed.
The Nice Classification system divides all goods and services into 45 classes (34 for goods, 11 for services). Filing in the wrong class means your mark is protected for products or services you do not actually offer, while leaving your real business activities exposed.
Common errors include filing software in Class 42 (which covers SaaS and development services) when the downloadable product itself belongs in Class 9, or filing a restaurant in Class 35 (advertising and business management) rather than Class 43 (food and drink services).
Browse our complete guide to all 45 classes to identify exactly where your goods or services sit.
Your specification of goods and services defines the scope of your protection. Go too broad and the examiner will raise an objection, or a third party will oppose on the basis that you cannot realistically use the mark across such a wide range. Go too narrow and you leave gaps that competitors can exploit.
The UK IPO uses pre-approved terms from the TMclass database. Using these accepted terms avoids delays. If you need custom wording, keep it precise. "Computer software" is too broad; the examiner will ask you to specify what the software does. "Computer software for accounting and bookkeeping" is specific enough to pass.
Section 4 of the Trade Marks Act 1994, together with the Olympic Symbol etc. (Protection) Act 1995, prevents registration of marks that include Royal arms, national flags used in a misleading way, the Olympic rings, the Red Cross emblem, and various other protected symbols.
Separately, section 3(3)(a) prohibits marks that are contrary to public policy or accepted principles of morality. The examiner will refuse marks containing profanity, slurs, or material likely to cause offence to a significant section of the public.
Check before you design. If your logo incorporates a crown, a national flag, a coat of arms, or any official emblem, verify that its use is permitted. The IPO will refuse it outright if it falls foul of these rules.
A word mark protects the text itself, regardless of font, colour, or stylisation. A figurative (logo) mark protects the specific visual design you submit. These are different rights with different scopes.
If you file only a logo mark but then use your brand name in plain text on your website and packaging, that plain text use is not covered by the logo registration. Conversely, if you file a word mark, you can use it in any font or colour and maintain protection.
For most businesses, filing a word mark first gives the broadest practical protection. If your logo is distinctive and central to your branding, consider filing it as a separate application. The additional cost is £205 per application.
Under the Paris Convention, if you have filed a trademark application in another country within the past six months, you can claim priority from that earlier filing date when applying in the UK. This means your UK application is treated as though it were filed on the same date as the original.
Failing to claim priority when you are entitled to it can be costly. If a competitor files a similar mark in the UK during the gap between your foreign filing and your UK filing, they could block your registration. Priority must be claimed at the time of filing or very shortly afterwards; you cannot add it months later.
After your application passes examination, it is published in the Trade Marks Journal for a two-month opposition period. Many applicants assume that passing examination means the mark is safe. It does not.
During the opposition window, any third party with earlier rights can file a notice of opposition under section 5 of the Act. This can add 12–18 months to the process and cost thousands in legal fees if contested. Before filing, consider whether any existing brand owner is likely to object, and whether you are prepared to defend the application.
Trademark conflicts are not limited to identical marks in the same class. Under section 5(2) of the Trade Marks Act 1994, a mark can be refused if it is similar to an earlier mark and the goods or services are similar, creating a likelihood of confusion.
This means a clothing brand in Class 25 could successfully oppose your application for a similar name in Class 18 (bags and leather goods) because consumers might assume the products come from the same source. When searching, look beyond your exact class.
Our clearance search automatically checks related classes and flags cross-class conflicts.
Registration is not the finish line. A trademark is only as valuable as your willingness and ability to enforce it. If you register a mark and then ignore infringers, your brand dilutes over time, and in extreme cases, a mark can become generic and lose protection entirely.
Before filing, think about your enforcement strategy. Will you monitor the register for new applications that conflict with yours? Do you have a budget for cease-and-desist letters or opposition proceedings? Setting up trademark monitoring from day one ensures you are alerted when a potentially conflicting mark is filed.
The simplest way to avoid most of these mistakes is to run a thorough search before filing. A proper clearance search addresses mistakes 1, 3, 8, and 9 in one step. Combine that with a careful review of your specification and mark type, and you eliminate the vast majority of avoidable objections.
For a complete walkthrough of the filing process, see our step-by-step guide to registering a UK trademark. If you are unsure which classes apply to your business, start with our Nice Classification directory.
The UK IPO does not publish a precise refusal rate, but industry experience suggests that a significant minority of applications receive at least one examination objection. DIY filings without prior searching or professional advice are disproportionately affected.
Some errors can be corrected. You can amend your specification of goods and services (by narrowing it, not broadening it) and fix minor clerical errors. However, you cannot change the mark itself after filing, and you cannot add new classes. If the mark is fundamentally flawed, you will need to file a fresh application and pay the fee again.
The UK IPO filing fee of £205 (online, one class) is non-refundable if your application is refused. Factor in the time spent preparing the application and any professional fees. A failed application followed by a re-filing effectively doubles your costs.
For straightforward word marks in a single class, many applicants file successfully on their own, provided they conduct a thorough search first. For more complex filings, such as marks in multiple classes, logos with specific colour claims, or applications where prior similar marks exist, professional advice from a registered trademark attorney is a sound investment.