# What Happens If You Choose the Wrong Trademark Class? > Registered in the wrong class? Protection does not arise where you expected it. The effect of missing, excess and mistaken classes, and what can be fixed. - Canonical: https://www.webx.net.tr/en/blog/wrong-trademark-class-consequences - Language: en - Last updated: 2026-08-20 - Publisher: Webx Marka Patent ve Fikri Sınai Haklar Danışmanlık A.Ş. (https://www.webx.net.tr/) _Machine-readable copy of the page above. The canonical HTML page is authoritative; fees and regulations may change — check the last-updated date._ --- The consequence of choosing the wrong class is captured in one sentence: **protection does not arise where you expected it.** You hold a certificate, but that certificate gives you no rights in the field where you actually use the mark. The mistake is usually discovered late — when a competitor starts using the same name, or when a marketplace rejects your brand registration. By then the options for correction are limited. There are three distinct types of error, each with a different consequence: | Error | Consequence | Correctable? | | --- | --- | --- | | **Missing class** — not claiming a field you need | No protection there | Only by a new application, with a new date | | **Excess class** — claiming a field you do not use | Cost + revocation risk after 5 years | Yes, the scope can be narrowed | | **Mistaken class** — claiming the wrong field | No protection and wasted cost | A new application for the right class | ## Missing Class: The Most Expensive Mistake The commonest example is a business selling its own branded goods that takes only class 35 (retail). Class 35 protects the retail service, not use of the mark on the product. The result: - Someone else may register the same name in the goods class. - That person may use the name on their product and assert it against you. - Because marketplace brand protection programmes may look for a registration in the goods class, your brand registration may be refused. The most frustrating aspect of a missing class is that correction has **no retrospective effect**. You file a new application, but its date is today; if someone took the same name in that class in the meantime, you are too late. ## Excess Class: The Silent Cost Unnecessary classes create no immediate problem. The problem starts in year five. A mark not put to genuine use for the goods and services registered within five years of registration may be subject to a revocation request (Article 26). **Revocation can be partial** — confined to the unused classes. This typically arises when a competitor wants to file something that clashes with you: they can have your unused class revoked and clear the obstacle in front of them. Add to that the cost repeated at every renewal, and the risk of clashing with marks in those classes. To find the right number see [How Many Classes Should a Trademark Cover?](https://www.webx.net.tr/en/blog/how-many-classes-should-a-trademark-cover) ## Mistaken Class: Both at Once Writing the activity into an entirely different class means both a protection gap and a wasted budget. Common confusions: - **Manufacture versus sale.** Making the product belongs to the relevant goods class; selling it belongs to class 35. - **Software product versus software service.** Downloadable software is class 9; SaaS and development services are class 42: [Which class does software fall into?](https://www.webx.net.tr/en/blog/trademark-class-for-software) - **Restaurant versus food product.** Providing food and drink is class 43; packaged food is class 29 or 30. - **Education service versus educational material.** Courses are class 41; printed material is class 16. - **Copying activity codes.** Commercial registry activity codes and Nice classes are different systems and do not correspond. ## Sub-Group Error: Right Class, Wrong Scope Selecting the right class number is not enough. What you actually select in the TÜRKPATENT list is **sub-groups**, and scope is determined at that level. The best-known example is class 35: retail and store services form their own sub-group and do not fall within scope unless expressly claimed. Many businesses that say "I have class 35" in fact hold a registration covering only advertising and business management services. Note also that under Communiqué 2026/2, when retail and wholesale services are described in class 35, only **goods groups** may be listed. See [Class 35: Retail and Store Services](https://www.webx.net.tr/en/blog/class-35-trademark-registration-retail-services). ## Routes of Correction ### Narrowing the scope — possible A proprietor may limit the goods or services covered by the registration. This is used to shed unnecessary classes or to render an opposition moot. ### Widening the scope — not possible The scope cannot be widened, either during the application or after registration. The only route for a missing field is a new application. ### A new application A separate application is filed for the missing classes. It is an independent file with its own fee, its own process and its own date. Before filing, check whether there is a clash in those classes: [search the existing register](https://www.webx.net.tr/en/blog/how-to-do-a-trademark-search). ### Corrections arising from the communiqué When the classification communiqué changes, TÜRKPATENT may make the adjustments needed for conformity. Following Communiqué 2026/2, adjustments for applications filed after 1 January 2026 are made of the Office's own motion and free of charge. Earlier applications are not updated automatically. This does not remove your responsibility for choosing the class that matches your activity — the Office ensures conformity with the list, not with your business model. ## A Checklist for Your Existing Registration If you hold a registration, ask these five questions: 1. Does the list of goods and services on the certificate match what you actually do today? 2. If you sell goods, is the goods class within scope? 3. If you took class 35, is the retail sub-group expressly stated? 4. If five years have passed since registration, can you show use in every class? 5. Has your business model changed in the last five years — from a physical shop to e-commerce, for instance? A "no" to any of these means there is a gap between your scope and your actual activity. ## Let Us Review Your Scope Share your certificate and what you do today, and our [trademark registration](https://www.webx.net.tr/en/hizmetler/marka-tescil) team will identify the gap between the scope and your real use, and assess whether a supplementary application is needed. To set the method up correctly from the start: [How to Choose Trademark Classes](https://www.webx.net.tr/en/blog/trademark-classes-and-nice-classification). ## Frequently Asked Questions ### What happens if I choose the wrong class? Protection does not arise where you expected it. Your mark is protected only in the classes registered; in a field you did not claim, third parties may use and register the same or a similar mark. ### Can a class be added after registration? No. No class can be added to an existing registration. A fresh application is required for the missing field, and that application carries a new date. ### Can an excess class be removed? Yes, the scope can be narrowed; a proprietor may limit the goods or services covered. Widening is impossible, narrowing is possible. ### I made a mistake in the application but it is not yet registered. Can I correct it? At the application stage the scope can be narrowed but not widened. Adding an item accidentally omitted requires a new application, which is why checking before filing is critical. ### Will TÜRKPATENT correct a wrong class itself? The Office may make corrections needed for conformity with the classification communiqué — for applications filed after 1 January 2026 those adjustments are made free of charge following Communiqué 2026/2. But that does not remove your responsibility for choosing the class that matches your activity. ## Related Resources - [Trademark Registration](https://www.webx.net.tr/en/hizmetler/marka-tescil): Explains how a trademark application is handled before TÜRKPATENT, from the preliminary search and class selection to the registration certificate. - [Legal Protection](https://www.webx.net.tr/en/hizmetler/hukuki-koruma): Explains attorney support for bulletin oppositions, appeals against refusals, counter-statements and trademark infringement cases. - [How to Choose Trademark Classes: A 5-Step Method](https://www.webx.net.tr/en/blog/trademark-classes-and-nice-classification): How do you choose trademark classes? A five-step method for translating your business into goods and services classes, how to draft scope, and the mistakes to avoid. - [How Many Classes Should a Trademark Cover?](https://www.webx.net.tr/en/blog/how-many-classes-should-a-trademark-cover): How many classes should you register? The balance of use, risk and cost that sets the number, and the real price of both too few and too many classes. - [Can a Registered Trademark Be Cancelled?](https://www.webx.net.tr/en/blog/trademark-invalidation-and-revocation): Can a registered trademark be cancelled? Revocation for non-use, grounds of invalidity, the transfer of revocation powers to TÜRKPATENT in 2024, and acquiescence. - [Trademark Classes in Turkey: All 45 Classes Explained](https://www.webx.net.tr/en/blog/45-nice-classification-classes-full-list): What are the trademark classes? The full list of all 45 Nice classes, what each one covers, and the changes introduced by TÜRKPATENT Communiqué 2026/2. - [How to Draft the Goods and Services List for a Trademark in Turkey](https://www.webx.net.tr/en/blog/drafting-the-goods-and-services-list): How to draft a trademark goods and services list in Turkey: subgroups, broad vs. selective lists, Class 35 retail services, fee item 02.01.34 and an example. - [Which Class Are Cosmetics Brands Registered In?](https://www.webx.net.tr/en/blog/trademark-class-for-cosmetics-brands): Cosmetics brands are registered in class 3; dermocosmetics and supplements may fall into class 5 and treatment services into class 44. A guide by product type.