Well-Known Trademark Protection in Turkey: Conditions, Scope and Legal Consequences

When a trademark achieves sufficient recognition among consumers or within a relevant industry, it gains a broader scope of legal protection. This is the essence of the well-known trademark concept — a status that, under Turkish law, can shield a brand even beyond the product classes in which it is registered, and sometimes even without registration at all.

What Is a Well-Known Trademark?

A well-known trademark is one that is widely recognized among a relevant public — consumers, trade professionals, or both — and therefore benefits from enhanced legal protection. The key legal foundations in Turkey are:

• SMK Article 6/4: A trademark application must be refused if it is identical or similar to a well-known mark under the Paris Convention covering identical or similar goods/services.
• SMK Article 7/3: Registered well-known trademarks enjoy cross-class protection — extending beyond the classes in which they are registered.
• Paris Convention Article 6bis: Member states (including Turkey) are obligated to protect well-known marks.
• TRIPS Agreement Articles 16/2-3: Extends well-known mark protection to unregistered marks and services.

Conditions for Well-Known Status in Turkey

Turkish law does not set a fixed percentage threshold. TÜRKPATENT and Turkish courts assess well-known status holistically, considering: degree of recognition among the relevant public; duration and intensity of use; geographic reach; registration portfolio; advertising and promotion expenditure; commercial value and awards.

The Scope of Well-Known Trademark Protection

Cross-Class Protection

Under SMK Article 7/3, a well-known trademark can block third-party use and registration outside its registered classes. A world-famous automotive brand may successfully oppose a third party attempting to register the same name for clothing or perfumes.

Protection Against Dilution and Free-Riding

Even where goods and services are entirely different, a well-known mark can be enforced if the third party's use would: dilute the distinctive character of the well-known mark; take unfair advantage of its reputation (free-riding); or damage its reputation.

Protection for Unregistered Well-Known Marks

Under Paris Convention Article 6bis, a foreign mark not registered in Turkey can still oppose Turkish trademark applications if it has achieved sufficient recognition among Turkish consumers.

How to Document Well-Known Status

To assert well-known status before TÜRKPATENT or Turkish courts, a robust evidentiary file must be prepared, typically including: consumer awareness surveys; advertising and marketing expenditure records; sales figures and market share data; national and international registration certificates; media coverage; industry awards and brand valuation reports.

TÜRKPATENT Well-Known Marks List

TÜRKPATENT maintains an official list of well-known trademarks. Inclusion requires a comprehensive evidentiary submission. Once listed, the owner avoids re-proving well-known status in every future dispute — a significant procedural advantage.

Frequently Asked Questions

Can an unregistered trademark be well-known in Turkey?

Yes. Under Paris Convention Article 6bis and Turkish SMK, an unregistered trademark can qualify as well-known and receive protection against identical or similar applications — provided sufficient recognition is demonstrated.

Does well-known status protect across all trademark classes?

Yes — this is the defining advantage. Protection can extend beyond registered classes, particularly where third-party use would dilute the mark's distinctiveness, damage its reputation, or take unfair advantage of it.

A competitor registered my well-known brand in a different sector. What can I do?

You can file an invalidation request with TÜRKPATENT or bring an invalidity action before the competent Intellectual Property Court within 5 years of the contested registration. After 5 years, an action based on bad faith remains available.

Does my trademark need to be well-known internationally to qualify in Turkey?

No. Recognition within Turkey is the primary consideration. International registrations strengthen the overall case but are not mandatory.

This article is for general informational purposes only and does not constitute legal advice. Please consult a registered trademark attorney for advice specific to your situation.

Is your trademark well-known — and is it fully protected? Contact Elçi Patent (TÜRKPATENT Reg. No: 2732) for a free preliminary assessment: WhatsApp or use our contact page.