Trademark Registration in Thailand: 7 Steps Every Investor Needs to Know in 2026

One in three foreign businesses in Thailand loses the right to its own brand - simply because it failed to register a trademark in time. A competitor files first, and the original owner ends up in court with almost no chance of winning.

For international investors building businesses in Thailand - whether managing property, running villa complexes, operating restaurants, or launching service companies - trademark registration is not a formality. It is fundamental asset protection. Without it, anyone can legally use your project name or logo.

Registration is processed through Thailand's Department of Intellectual Property (DIP) and typically takes 12 to 18 months. Protection lasts 10 years from the date of filing, with unlimited renewal options. Critically, Thailand operates on a strict first-to-file system - it does not matter who used the mark first, only who filed first.

According to international IP specialists at Ananda IP, foreign applicants must appoint a licensed Thai representative - this is mandatory, not optional - for examination, responding to objections, Madrid System filings, and enforcement proceedings. This makes choosing the right local partner one of the earliest and most important decisions in your registration strategy.

Quick Answer

• Protection period - 10 years from the date of filing, renewable for further 10-year terms indefinitely
• Renewal application must be submitted within 90 days before the current term expires
• Registration authority - Department of Intellectual Property (DIP), Bangkok
• Average processing time - 12 to 18 months
• Government filing fee - from 9,000 THB per class of goods or services (DIP schedule, 2026)
• Online search - available free at ipthailand.go.th before filing
• Legal basis - Thailand Trademark Act B.E. 2534, Sections 6 and 7

Scenarios and Options

Scenario 1: Register Before Launching Your Business

This is the smartest path. You file your application before entering the market. Because Thailand operates under the first-to-file principle, the date of your application - not the date you started using the mark - determines ownership. For real estate investors, this is especially critical: if you are creating a property management company, a villa complex brand, or a serviced apartment network, the name must be protected before the first marketing banner goes up.

Scenario 2: Register an Already-Active Brand

Your business is operating but the mark is unregistered. The risk here is significantly higher. A competitor can file an application for an identical or confusingly similar mark, and you will have to prove prior use through litigation - which is expensive and slow.

There is one mitigating factor: Section 7 of the Trademark Act allows a mark to be recognised as distinctive based on its actual use and promotion in Thailand. If your mark is already well-established and widely advertised, this can support your application.

Scenario 3: Appeal After Rejection

The DIP rejects approximately 30 to 40% of initial applications (industry estimates). Common reasons include confusing similarity with an existing mark, descriptive character of the name, or inclusion of prohibited elements. After rejection, applicants may appeal to the Trademark Board and subsequently to court.

What Makes a Trademark Registrable in Thailand

Under Sections 6 and 7 of the Trademark Act, a mark must meet three conditions:

• Distinctiveness - consumers must be able to distinguish your goods or services from those of competitors
• No prohibited elements - state symbols, religious imagery, and generic descriptors are excluded
• Uniqueness - the mark must not be identical to or confusingly similar to an already-registered mark

Elements that qualify as distinctive include stylised company names, invented words, unique letter combinations, colour schemes, and an applicant's own signature or likeness (with consent). Generic geographic names listed in ministerial notifications cannot be used - meaning a brand simply called 'Phuket Villas' is unlikely to pass the distinctiveness test.

Scenarios and Options

Filing Method Comparison

Choosing how to file depends on your budget, the complexity of your mark, and your risk tolerance. Here is a structured overview:

For most international investors entering the Thai market with a real estate or hospitality brand, working with a specialist IP firm offers the most reliable outcome - even if the upfront cost is higher.

Main Risks and Mistakes

1. Delaying registration. The first-to-file system does not tolerate waiting. While you are building brand recognition, a competitor can register your name and leave you with no legal recourse.

2. Choosing descriptive names. Names like 'Best Thai Food' or 'Luxury Beach Resort' will not pass the distinctiveness test. The more invented and unique the word, the stronger the application.

3. Skipping the pre-filing search. A free search is available at ipthailand.go.th. Ignoring this step leads directly to rejection and the loss of your filing fee.

4. Registering in only one class. The Nice Classification system covers 45 classes. If you manage property and also provide consulting services, you need at least two classes - each billed separately at 9,000 THB or more.

5. Missing the renewal window. The renewal application must be submitted within 90 days before the 10-year term expires. Missing this window means losing the mark. Restoration is possible but involves additional fees and administrative burden.

6. Using the mark in a modified form. Once registered, the mark must be used exactly as registered. Significant changes require a new filing.

7. Assuming Thai registration covers the region. Thai registration applies only within Thailand. For protection across other ASEAN markets, you must file separate national applications or use the Madrid Protocol, which Thailand joined in 2017.

FAQ

Can a foreigner register a trademark in Thailand? Yes. Foreign individuals and companies may file applications directly or through a Thai representative. For non-residents, it is mandatory - not optional - to engage a licensed patent attorney or local IP representative.

How much does trademark registration cost in Thailand in 2026? The government filing fee starts from 9,000 THB per class. With professional legal support, total costs range from 30,000 to 120,000 THB depending on complexity and the number of classes.

How long does trademark protection last? 10 years from the date of filing. Renewal extends protection for a further 10 years, with no limit on the number of renewals.

Can a trademark be registered in a non-Thai script? Yes. Thailand accepts applications in any language and script, including Latin and Cyrillic. Transliteration and a translation into Thai will be required for DIP processing.

What happens if someone infringes a registered mark? The trademark owner may file a civil claim for damages. Criminal prosecution is also possible under the Trademark Act, with penalties of up to 800,000 THB in fines and/or up to 4 years imprisonment.

Does Thai registration cover other ASEAN countries? No. Registration is valid only within Thailand. For regional coverage, file separate applications in each country or use the Madrid Protocol system (Thailand acceded in 2017).

Is trademark registration necessary for property management? Not legally required, but strongly recommended. If you are building a brand around a residential complex, management company, or tenant services platform, an unregistered name is an unprotected asset.

Can a trademark be transferred or licensed? Yes. A registered trademark can be sold, assigned, or licensed to a third party. All such transactions must be registered with the DIP to be legally effective.

Source: Ananda IP - https://www.ananda-ip.com/how-to-register-a-trademark-in-thailand/

Brand protection is as integral to an investment strategy as choosing the right location or ownership structure. For international investors entering the Thai market with new real estate or hospitality projects, trademark registration belongs on the checklist alongside company incorporation. Start with a free search on the DIP database at ipthailand.go.th, consult a licensed IP attorney, and file before your brand becomes widely known - and therefore vulnerable.

Ready to invest in Thailand? Our experts will help you find the perfect property.