Choosing the wrong classes when you file a trademark can leave your brand exposed exactly where it matters most. The Nice Classification for trademarks is the international system that sorts every product and service into 45 numbered classes. Every trademark application, including those filed with the Turkish Patent and Trademark Office (TÜRKPATENT), must state the classes it covers. This guide explains what the system is, how the 45 classes are split between goods and services, how to choose the right ones for your brand, and the mistakes trademark applicants most often make.

What Is the Nice Classification for Trademarks?

The Nice Classification for trademarks is an international system that groups all goods and services into 45 separate classes for the purpose of registering trademarks. It was set up by the Nice Agreement of 1957 and is administered by the World Intellectual Property Organization (WIPO, wipo.int). The list is reviewed regularly, and a new edition or version is published periodically, so the wording of class headings and the items inside each class can change over time.

Most trademark offices, including TÜRKPATENT, use this same framework. That shared structure is the point: a common language for describing what a brand sells, used by applicants and examiners across many countries. When you file in Türkiye and later seek protection abroad through WIPO’s Madrid System, the classes you picked at home carry over. Türkiye is a party to the Nice Agreement, so the system applies directly to national filings.

Why the Nice Classification System Matters for Your Application

The Nice Classification system for trademark applications matters because the classes you select define the exact scope of your protection. A trademark right is not unlimited. It covers the specific goods and services listed in your registration, in the classes you chose and paid for. If you sell skincare but only register in a clothing class, a competitor could use a similar mark on cosmetics and your registration may do little to stop them.

Two practical consequences follow. First, the classes drive your official fees, because TÜRKPATENT and most offices charge per class. Second, they shape how examiners and other brand owners assess conflict, since a clearance search or a later opposition turns on whether marks overlap in the same or similar classes. In our practice before TÜRKPATENT, applications with a carefully chosen, well-described class list run into fewer objections than those that claim too much or describe their goods vaguely.

How the 45 Classes Are Organised: Goods Versus Services

The Nice Classification splits the 45 classes into two blocks: classes 1 to 34 cover goods, and classes 35 to 45 cover services. Understanding this split is the first step in mapping your business to the right trademark classes of goods and services.

Goods: classes 1 to 34

The goods classes run from raw materials and chemicals at the low numbers to finished consumer products higher up. A few familiar examples give the sense of it:

Class 3: cosmetics, perfumes, soaps and cleaning preparations.
Class 9: software, downloadable apps, and electronic and scientific devices.
Class 25: clothing, footwear and headgear.
Class 30: coffee, tea, bread, pastry and many packaged foods.

Services: classes 35 to 45

The services classes cover the things a business does rather than makes. Common ones include:

Class 35: advertising, business management and retail or online store services.
Class 41: education, training and entertainment.
Class 42: technology services, software development and scientific research.
Class 43: restaurant, cafe and hotel services.

Sorting your offering into the right trademark classes of goods and services is rarely as obvious as it looks. Software sold as a downloadable product often sits in class 9, while the same capability offered online as a service belongs in class 42. A clothing brand that also runs its own shops may need both class 25 and class 35. This is where careful reading of each class and its explanatory notes pays off.

How to Choose Trademark Classes for Your Brand

Knowing how to choose trademark classes comes down to describing what you actually sell today and what you realistically plan to sell soon. The goal is full coverage of your real activity without padding the application with classes you will never use. A focused, honest specification is stronger and cheaper than a sprawling one.

List your real goods and services. Write down everything your brand sells now, plus concrete plans for the near term. Be specific: not just “food” but the actual products.
Match each item to a class. Use WIPO’s searchable Nice Classification tool and the TÜRKPATENT class lists to find where each item sits. Many items have a standard, pre-approved description.
Cover the whole activity, not just the product. If you both make and sell, or both supply and advise, you may need a goods class and a service class together.
Avoid empty breadth. Claiming a class with no genuine intention to use it raises cost and can expose the mark to a non-use challenge later.
Write clear specifications. Precise wording inside each class reduces examiner objections and makes your scope easy to defend.

Deciding how to choose trademark classes is one of the most consequential steps in the filing, because errors are expensive to fix. You generally cannot add a new class after filing; you would have to file again and pay again.

Single-Class Versus Multi-Class Trademark Applications

In Türkiye you can file one application that covers several classes at once, known as a multi-class application, or separate single-class applications. Each approach has trade-offs, and the right choice depends on how you expect the brand to grow.

Single-class applications

Fees: one base fee per application, repeated each time you file.
Management: separate files to track and renew, each with its own date.
Flexibility: easier to sell or license one class on its own.
Best for: brands that may divide rights by product line later.

Multi-class applications

Fees: one application, with an added official fee for each extra class.
Management: a single file with one renewal date to track.
Flexibility: all classes move together through some procedures.
Best for: brands wanting broad coverage in one streamlined file.

For most applicants, a single multi-class application is the simpler and more economical route. Separate filings can make sense when you expect to license or transfer one class independently of the others. We help clients weigh this against their commercial plans before filing.

Common Mistakes With the Nice Classification for Trademarks

Most class problems trace back to a handful of avoidable mistakes. Watch for these:

Relying on class headings alone. A class heading is a summary, not the full list. Using only the heading can leave gaps in what you actually cover.
Confusing goods with services. Selling a physical product is not the same as providing a service around it, and they fall in different classes.
Over-claiming. Adding classes “just in case” inflates fees and can invite a non-use challenge after the grace period.
Under-claiming. Missing the class that matches your core revenue leaves your most important products unprotected.
Using an outdated edition. Because the Nice list is revised periodically, an item may have moved between editions; always check the current version.

Getting the Nice Classification for trademarks right at the start avoids each of these traps and gives the application a clean foundation.

Nice Classification Trademark Filing in Turkey

Nice Classification trademark filing in Turkey follows the same 45-class structure used worldwide, applied by TÜRKPATENT under Türkiye’s Industrial Property Code No. 6769. When you file, you select your classes and list the goods or services within each one, and the official fee is calculated by the number of classes claimed. Because those official fees and the published class lists are updated from time to time, treat any figure as indicative as of the time this article is written. Confirm the current charge and wording with a trademark and patent attorney before filing.

Applicants who are not resident in Türkiye must file through a registered Turkish trademark and patent attorney (marka ve patent vekili). The attorney prepares the class specification, files the application and receives all correspondence from TÜRKPATENT. For brands planning to expand abroad, a well-built Nice Classification system for trademark applications also smooths a later international filing through the Madrid System, since the home classes form the basis of the international application. From our office in Istanbul, we map a brand’s products to the correct classes and keep the specification clean enough to hold up through examination and beyond.

Frequently Asked Questions

What is the Nice Classification for trademarks?

The Nice Classification for trademarks is an international system that divides all goods and services into 45 classes for trademark registration. It was created by the Nice Agreement of 1957 and is administered by WIPO, and most trademark offices, including TÜRKPATENT, use it.

How many classes are in the Nice Classification?

There are 45 classes in total. Classes 1 to 34 cover goods, and classes 35 to 45 cover services, which together make up the trademark classes of goods and services used worldwide.

How do I choose the right trademark classes?

You choose the right trademark classes by listing exactly what your brand sells now and plans to sell soon, then matching each item to its class using the WIPO and TÜRKPATENT class tools. Knowing how to choose trademark classes accurately protects your core products without paying for classes you will not use.

Can I add a class after filing my trademark application?

No, you generally cannot add a new class to an application once it is filed. You would need to file a fresh application for the additional class and pay the relevant fee again, which is why getting the classes right at the start matters.

Does one class cover my whole business?

Usually not. Most businesses need more than one class, for example a goods class for the products they make and a service class for retail or related services, so a single class rarely covers everything.

How much does each class cost in Turkey?

TÜRKPATENT charges an official fee per class, so the total rises with each class you claim. The exact amounts change periodically, so confirm the current fee schedule at turkpatent.gov.tr or with a trademark and patent attorney before you file.

Is the Nice Classification the same in every country?

The class structure is shared by the many countries party to the Nice Agreement, including Türkiye, which keeps filings consistent across borders. Small differences in accepted wording can exist between offices, but the 45-class framework itself is the same.

Getting Your Classes Right: A Final Word

The Nice Classification for trademarks is the backbone of every trademark application, and the classes you choose set the exact limits of your protection. Take the time to list your real goods and services, match them precisely to the right classes, and avoid both over-claiming and under-claiming. Done well, a clean class specification gives your brand strong, defensible coverage and a smooth path to protection at home and abroad. If you are unsure which classes fit your business, or want help with your Nice Classification trademark filing in Turkey, getting professional input before you file is the safest path. Contact us for more information.

About Leo Patent

Leo Patent is a leading trademark and patent attorney firm (marka ve patent vekili) serving foreign and Turkish clients across Türkiye. The firm is registered before the Turkish Patent and Trademark Office (TÜRKPATENT) and the Istanbul Chamber of Commerce (registration no. 308755-5), and handles trademark, patent, design and other intellectual property registrations in Türkiye and internationally.

This article was prepared under the supervision of Burak Ünal, general manager of Leo Patent, registered trademark attorney (TÜRKPATENT reg. no. 2900) and registered patent attorney (TÜRKPATENT reg. no. 1677). He holds a Business Management degree from Boğaziçi University (2016) and an MSc in Finance from the London School of Economics, which he attended as a Chevening Scholar; he is also a congress member of Galatasaray Sports Club. He advises clients in Turkish, English, French and Chinese. In Türkiye, trademark and patent attorneys are a regulated profession separate from lawyers: Burak Ünal is not a lawyer, and Leo Patent does not provide lawyer services or court representation.

Need help with a trademark or patent in Türkiye? Contact Leo Patent for a consultation: www.leopatent.com · [email protected] · WhatsApp +90 532 689 48 18.

Disclaimer: Leo Patent is a trademark and patent attorney firm (marka ve patent vekili) and is not a law firm; it does not provide lawyer services, legal advice or court representation. This article is for general informational purposes only and you are strongly advised to consult a qualified professional to evaluate your personal situation. No liability is accepted that may arise from the use of the information in this article.