# Does a Company Name Change Affect a Trademark Registration?

> No, a trademark registration does not change by itself: trade name and trademark are separate assets. Four scenarios, register updates and naming risks.

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- Last updated: 2026-10-13
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The short answer: **no — a change in a company's trade name does not automatically change its trademark registration.** It does not, because the two are not the same thing: the **trade name** is the company's identity, held in the trade registry; the **trademark** is the sign, held in the TÜRKPATENT register (kept by Turkey's patent and trademark office), that distinguishes your goods and services from those of your competitors. A change in one is not automatically reflected in the other — your trademark does not switch over to the new trade name of its own accord, nor does your registration become invalid.

In short:

- Your trademark continues to live with **the same number, scope and priority**; no new application is needed.
- The lack of any automatic effect does not only work in your favour: the **owner's trade name** in the trademark register is not updated by itself either — you have to request it.
- Even if your trademark's name is identical to your old trade name, **you are not obliged to change the trademark**.
- The little-known risk runs the other way: your new trade name may clash with **someone else's registered trademark**.
- A change of trade name resulting from a merger or demerger falls under a different regime — in that case, the owner changes too.

This article clarifies the concept; we explain the step-by-step procedure for updating the register in the guide [What Happens to a Trademark Registration If the Owner's Name Changes?](https://www.webx.net.tr/en/blog/recording-a-trademark-owner-name-change)

## Why the Confusion? Trade Names and Trademarks Are Separate Assets

The confusion arises because, in most companies, the two roles merge into the same word: a company trading under the name "Yılmaz Tekstil San. Tic. Ltd. Şti." (a typical Turkish limited company trade name) puts the "YILMAZ" trademark on its products. Because the word is the same, people assume that when the trade name changes, the trademark will change too (or will have to). Legally, however, there are two separate assets, two separate registers and two separate forms of protection:

| Feature | Trade name | Trademark |
| --- | --- | --- |
| What does it identify? | The identity of the merchant/company | The origin of goods and services |
| Where is it registered? | Trade registry | TÜRKPATENT trademark register |
| Extent of protection | Use as a trade name | Goods/services in the registered classes |
| Duration | For as long as the company exists | 10 years + renewal |
| Assignment | As a rule, together with the business | Can be assigned independently of the business |

We covered all the consequences of this distinction — including the three-way table that adds business names — in [Trade Name, Business Name and Trademark: The Differences](https://www.webx.net.tr/en/blog/trade-name-business-name-and-trademark-differences). For this article, the one critical sentence is this: the two registers do not *track* each other; any change you make in one has to be carried over to the other by you.

## Four Scenarios: Which One Is Yours?

### Scenario 1 — The Trade Name Has Changed, the Trademark Stays the Same

The most common and simplest case: the company name has changed, while the trademark on the products stays where it is. The trademark registration remains valid in all its elements; the only task is to update the owner's trade name in the trademark register on the basis of the Trade Registry Gazette. The procedure, the documents and the risks of gridlock are set out in the [procedural guide](https://www.webx.net.tr/en/blog/recording-a-trademark-owner-name-change).

### Scenario 2 — The Trademark Changes Along With the Trade Name

If the corporate change is also going to extend to the trademark — if the core of the new trade name is to become the new trademark — there are now two separate operations: a recordal of the change of trade name in the register *and* a [new trademark application](https://www.webx.net.tr/en/blog/does-a-modified-trademark-need-a-new-registration) for the new sign, together with a clearance search. The old trademark is kept alive throughout the transition period; treating the two operations as one leaves either the trademark unregistered or the register still showing the old trade name.

### Scenario 3 — The "Change of Trade Name" Is Actually a Merger or Demerger

If your company has merged with another company, or trademarks have passed to a new company as a result of a demerger, what has changed is not just the name but **the legal entity that owns them**. That transfer is recorded not through a simple recordal of the trade name but through a structural change recordal based on trade registry documents. A change of legal form (Ltd. → A.Ş., i.e. from limited company to joint-stock company), by contrast, stays on the Scenario 1 side because the legal personality continues — the table setting out the distinction is in the procedural guide.

### Scenario 4 — The New Trade Name Treads on Someone Else's Trademark

This is the overlooked risk of changing a trade name. The trade registry does not check your new trade name against the trademark register; your trade name is registered without any difficulty — but if the same word is someone else's registered trademark, that trademark owner **can prevent its sign from being used as a trade name**. In other words, a trade name that clears the trade registry can quite easily become the subject of a lawsuit under trademark law. A candidate trade name should [also be searched in the trademark register](https://www.webx.net.tr/en/blog/how-to-do-a-trademark-search) before a decision is made — especially if the core word is registered in your sector, switching to an alternative is cheaper than a lawsuit.

## The Question in Reverse: Does a Trademark Registration Protect Your Trade Name?

The symmetry holds here too: just as a trade name registration does not provide trademark protection, a trademark registration does not on its own govern the trade name regime. The two shields do, however, reinforce each other: a company whose core wording is registered as a trademark has the tools of trademark law at its disposal against competitors using the same word in their trade names. That is why the sound set-up is to secure the core word of the business **both in the trade name and in the trademark** — and of the two, the trademark is the lasting one: trade names are tossed about by corporate changes, while a registered trademark can live on indefinitely in ten-year periods. Just as a trademark can be obtained without a company ([registration in an individual's name](https://www.webx.net.tr/en/blog/registering-a-trademark-without-a-company)), a company with an entirely different trade name can carry a long-established trademark.

## Two Short Examples

**Example 1:** "Aksoy Gıda Ltd. Şti." becomes "Nora Gıda A.Ş." after taking on investment; the "AKSOY" trademark on its products, however, is well known in the market and stays exactly as it is. Two steps are taken: updating the owner's trade name + legal form in the trademark register, and reviewing the agreement and platform records. The "AKSOY" trademark is left untouched — the trade name is one thing, the trademark quite another.

**Example 2:** A software company changes its trade name to "Vetra Teknoloji A.Ş." and starts using the name "Vetra" on its products as well. The trade registry has registered the trade name without any issue — but "VETRA" is another firm's trademark, registered in the software class. The trademark owner takes action to stop the use; within the same year it put up its new sign, the company is forced into a second corporate change. Had the candidate trade name been checked with an hour's search of the trademark register, this cost would never have arisen.

## 4 Common Mistakes

1. **Treating the two registers as one.** The belief that "we registered the trade name, so the trademark is safe too" leaves countless businesses unprotected against imitation every year; registering a trade name is not trademark protection.
2. **Abandoning a recognised trademark because the trade name has changed.** A trademark is an asset that lives in customers' memory; abandoning a sign that is established in the market just because the corporate name has changed is a legally unnecessary and commercially expensive reflex.
3. **Searching the new trade name only in the trade registry.** A trade name chosen without searching the trademark register is an open invitation to Scenario 4.
4. **Leaving the trademark behind in the old company during a group restructuring.** While trade names and companies are being restructured, it is easy to lose track of which legal entity the trademarks remain with; years later, when an assignment or investment comes up, a piece of register archaeology is needed.

## Trademark Checklist When Changing Your Trade Name

1. **Search the candidate trade name in the trademark register** — clearance in the trade registry is not enough.
2. **If the core of the new trade name will be used in the market like a trademark, plan its registration** — registering the trade name does not give you that protection.
3. **Update the register entries for your existing trademarks** — in the same week the Trade Registry Gazette entry is published, including files still at the application stage.
4. **Make a conscious decision about whether to touch the trademark at all** — the trademark does not have to change just because the trade name has; if it is going to change, the rebranding process should be planned from the outset.
5. **Review your agreements and platforms** — the party name in licence/dealership agreements, as well as marketplace and customs records, are updated through their own procedures.

## Conclusion

When a company's trade name changes, its trademark registration does not — and that is both a reassurance and a duty. It is a reassurance because your trademark stays in place with its number and its seniority; it is a duty because the two registers do not track each other, and updating the owner record, checking the new trade name for trademark risk and, where necessary, registering the new core word all wait on your move. For companies that manage the trade name and the trademark as separate assets, corporate changes are routine; for those who think they are one and the same, every change of trade name leaves behind either a forgotten mismatch in the register or an unprotected sign on the shop front. As a rule of thumb, keep one sentence in mind: the trade name is your company's civil registration record, while the trademark is its face in the market — changing the registration record does not change your face, but each of them has to be written correctly in its own register.

### Let's Manage the Trademark Side of Your Trade Name Change Together

Send us your new trade name (or the candidates you are considering) and your trademark file numbers via our [contact page](https://www.webx.net.tr/en/iletisim); we will search the candidate in the trademark register, update the owner records of your existing registrations and, if the new core word needs to be registered, plan the application around your corporate timetable.

## Sources

- [Industrial Property Law No. 6769 (Türkiye)](https://www.mevzuat.gov.tr/mevzuat?MevzuatNo=6769&MevzuatTur=1&MevzuatTertip=5) (mevzuat.gov.tr) — Art. 148: legal transactions (assignment)
- [Turkish Commercial Code No. 6102](https://www.mevzuat.gov.tr/mevzuat?MevzuatNo=6102&MevzuatTur=1&MevzuatTertip=5) (mevzuat.gov.tr)
- [TÜRKPATENT — Trademark Fees (2026)](https://www.turkpatent.gov.tr/marka-islem-ucretleri) (turkpatent.gov.tr)

## Frequently Asked Questions

### Does the trademark registration change when the company's trade name changes?

No, not automatically. The trade name is held in the trade registry and the trademark in the register of TÜRKPATENT, Turkey's patent and trademark office; they are separate assets, and a change in one is not automatically reflected in the other. Your trademark continues with the same number, scope and priority; only the owner's trade name in the trademark register needs to be updated, at your request and on the basis of the Trade Registry Gazette (Article 128 of the Implementing Regulation).

### Do I need to file a new trademark application after a change of trade name?

If the trademark itself, its name or logo, is not changing, no: the existing registration remains fully valid and a recordal of the change of trade name is sufficient. A new application only becomes relevant if you decide to bring the trademark into line with the new trade name; then the recordal and a new application, with its clearance search, are two separate operations. The old registration is kept alive throughout the transition period; treating the two operations as one leaves either the trademark unregistered or the register outdated.

### My trademark is the same word as my old trade name; do I have to change the trademark because the trade name has changed?

No. The trademark is an asset independent of the trade name: your company can keep using the old word as a trademark while trading under a different trade name, and the registration stays in place with its number and seniority. Only the owner's trade name in the register is updated. If it is the sign the market knows you by, giving up the trademark simply because the trade name has changed is, more often than not, a commercial mistake as well.

### Should I register my new trade name as a trademark too?

Yes, if the core word of the new trade name will be used in the market like a trademark. Trademark protection is obtained through registration (Article 7(1) of the Industrial Property Code); registering a trade name does not give trademark protection for the sign on your goods and services. Registering the distinctive part of your trade name as a trademark gives both protection against imitation and resilience to future corporate changes; search the trademark register before filing.

### Is there a problem if the new trade name I choose is identical to someone else's registered trademark?

There can be, and this is the least known risk of changing a trade name. The trade registry does not check trade names against the trademark register; however, where conditions such as similarity and likelihood of confusion are met, the owner of a registered trademark can prevent its sign from being used as a trade name or business name (Article 7(3)(e) of the Industrial Property Code). That is why a candidate trade name must be searched in the trademark register as well as in the trade registry before you decide.

### Doesn't registering my trade name protect my trademark?

No, registering your trade name does not protect your trademark. A trade name registration gives you an identity under which to trade; only a trademark registration protects the sign on your goods and services (Article 7(1) of the Industrial Property Code). The holder of a trade name can oppose someone else's trademark application that contains it (Article 6(6)), but that is not a trademark right. The strong set-up is to have the core wording protected both in the trade name and as a trademark.

### Is the position different for a sole proprietorship?

No, the logic is the same. Even if a sole proprietorship's trade name or its owner's name changes, a trademark registered to a natural person stays with that person; only the name or trade name details in the register need updating. If the trademark is held in the individual's name while the business runs through a company, the permission for that use should be documented with a written licence; use with the proprietor's consent counts as use by the proprietor (Article 9(3) of the Industrial Property Code).

### How do I record a change of trade name in the trademark register?

On the basis of the Trade Registry Gazette entry, you file a request to change the owner's details through EPATS, TÜRKPATENT's online filing system, after logging in via e-Devlet, Turkey's e-government portal. The recordal applies to all rights and applications registered in the owner's name (Article 128(2) of the Implementing Regulation), and the 2026 fee schedule has no separate fee item for it. As a change of name is not an assignment, no notarised agreement is needed. Afterwards, check that the new name appears on every file.

### Will invoices issued under the old trade name cause problems when proving use of my trademark?

As a rule, no. Because the legal personality is the same, invoices bearing the old trade name are also evidence of your use; but for that link to be beyond dispute, the owner record in the trademark register should be up to date and the change should be documentable through the Trade Registry Gazette. Add the gazette entry to your evidence-of-use file; in a revocation request based on five years of non-use (Articles 9 and 26 of the Industrial Property Code), that single page makes sense of the invoice folder.

### Does the same rule apply if the trade name changed as a result of a merger?

No. In a merger or demerger it is not just the name that changes but the legal entity that owns the trademark. That transfer is recorded not through a simple name recordal but through a structural change recordal based on trade registry documents such as the Trade Registry Gazette (Article 125(4) of the Implementing Regulation). Under the 2026 fee schedule this recordal costs TRY 4,360 (item 02.01.07); the schedule is updated every year. A change of legal form is recorded like a change of name, as the legal personality continues.

## 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.
- [Trademark Search](https://www.webx.net.tr/en/hizmetler/marka-sorgulama): Provides a free tool and method for checking whether a brand name is registrable by searching similar and registered trademarks.
- [What Happens to a Trademark Registration If the Owner's Name Changes?](https://www.webx.net.tr/en/blog/recording-a-trademark-owner-name-change): A change of name does not invalidate a trademark; its number and priority are kept. What is needed is updating the name in the register — step-by-step process.
- [Trade Name, Business Name and Trademark: What Is the Difference?](https://www.webx.net.tr/en/blog/trade-name-business-name-and-trademark-differences): Trade name vs trademark in Turkey: a trade name is your company's identity in the trade registry; a trademark protects products at TÜRKPATENT. Conflicts.
- [If You Change Your Trademark, Do You Need to Renew the Registration?](https://www.webx.net.tr/en/blog/does-a-modified-trademark-need-a-new-registration): A registered mark's representation cannot be changed in the register, and renewal is no tool for change. Where minor updates end and a new filing is needed.
- [How to Do a Trademark Search](https://www.webx.net.tr/en/blog/how-to-do-a-trademark-search): How do you search a trademark? The steps for searching TÜRKPATENT records free of charge, what a similarity search must actually cover, and how to read the result.
- [Can You Register a Trademark Without a Company?](https://www.webx.net.tr/en/blog/registering-a-trademark-without-a-company): Yes, you can register a trademark in Turkey without a company: file in your own name, then assign or license it to the company. 2026 fees, risks, co-founders.
- [How Do You Check Suspicious Calls and Payment Requests About Your Trademark Registration?](https://www.webx.net.tr/en/blog/fake-trademark-invoices-and-payment-requests): Is an invoice, email or call demanding payment for your trademark official? TÜRKPATENT, WIPO and EUIPO warnings, step-by-step checks and red flags to watch.