You are using an outdated browser and your browsing experience will not be optimal. Please update to the latest version of Microsoft Edge, Google Chrome or Mozilla Firefox. Install Microsoft Edge

February 26, 2018

Sound Marks in Thailand: Understanding the Registration Requirements

Informed Counsel

Registration of sound marks has been possible in Thailand since September 1, 2017, based on amendments to the Trademark Act B.E. 2534 (1991) and the issuance of Ministerial Regulation No. 5 B.E. 2560 (2017). Tilleke & Gibbins was pleased to be the first law firm to file a sound mark application in Thailand, and, as of January 12, 2018, 12 sound mark applications have been filed at the Thai Department of Intellectual Property for several types of products, including sanitary napkins, baby diapers, clothing, food, medicine, technology gadgets, business administration services, vehicles, and games and toys.

In this article, we provide an overview of the registration process and important guidelines that brand owners should consider in seeking protection of their sound marks.

Eligibility for Registration

Similar to other types of trademarks, a sound mark will be eligible for registration if it fulfills three requirements: distinctiveness, not being prohibited by law, and not being identical or confusingly similar to a registered or pending-for-examination mark.

However, in addition to these three requirements, the law has narrowed the interpretation of distinctiveness for a sound mark to avoid any adverse effects on the commercial competition environment, by requiring that a sound must not be:

  • A sound that is directly descriptive of the characteristics of the relevant goods or services. Examples of descriptive marks could include the sound of cows mooing when used in relation to milk, the sound of a dog barking when used in relation to pet products, or the sound of cheering and clapping when used in relation to competitions.
  • A natural sound associated with the relevant goods or services. Associated sounds could include the sound of ducks when used in relation to products made from duck, or the sound of cutting something with a metal tool when used in relation to knives or other cutting or shearing equipment.
  • A sound produced by the operation of specific goods or services. For example, an applicant would not be able to register the sound of a toilet flushing when used in relation to sanitary products, the sound of a camera shutter when used in relation to cameras, or the siren of an ambulance when used in relation to ambulance transportation and rescue transportation services.

It is important to note that the sound mark for which registration is sought should not be longer than 30 seconds; otherwise, it is possible that the mark may be deemed as lacking distinctiveness and incapable of functioning as a trademark.

Application Requirements

When filing a sound mark application, the law requires that the applicant include a clear description of the sound in the application for the sound mark and provide a flash drive containing an audio file of the sound mark in MP3 format. In the description space of the application, the applicant must indicate: (1) the type of sound mark (whether it is a human sound, animal sound, music/melodic sound, or other type of sound); (2) the context in which the mark will be used; and (3) the closest Thai syllabic expression of the melody, if possible.

For example, if a television broadcasting company would like to file an application for its theme song, the applicant can indicate that the type of sound is a “bell sound,” the context is “the starting sound of the ‘ABC’ television program,” and the closest syllabic expression of the sound is “ding, ding, ding.”

Moreover, the applicant may also include the sound’s description as a musical notation, a sonograph, a spectrogram, or other forms of transcription to illustrate the proposed sound in section 4 of the application, added separately as a continuation sheet. For example, an applicant could write, “the trademark is a sound mark consisting of five consecutive notes, namely ABCED,” as shown in the musical notation below:
 
    

    
Another example would be, “the mark consists of the spoken words HI SA MI TSU superimposed over musical sounds in the key of D major, namely, the melody notes, E, A, E, and two F-sharp notes.”

   
    
If a sound mark has been widely used or registered in a jurisdiction, it is advisable to submit evidence of use in the form of an MP3 file, a video file, or a certificate of registration, at the time of filing of the sound mark application to improve the chances of successful registration and defend against any possible opposition.

Considerations

As music can be protected under Thai copyright law, in the case where a sound mark contains a piece of copyrighted music, it is recommended that the applicant obtain a license for use of the copyrighted work as a sound mark, or an assignment from the copyright owner, in order to avoid the potential risk of copyright infringement. Additionally, for the sake of clarity, it is advisable to indicate in the application the identity of the author of the particular copyrighted musical work used in the new sound mark, and briefly explain how the applicant obtained the right to use the copyright (i.e., through licensing or assignment).

Another issue for sound mark applicants arises when a sound mark contains words that are identical or confusingly similar to prior registered or pending-for-examination marks in the same class or relevant classes. If that is the case, there is the possibility that the registrar may refuse registration of the mark based on its similarity to an earlier word mark, despite the fact that they are different types of marks. Therefore, before proceeding with the filing of a sound mark, it is advisable to conduct a trademark search, not only for similar sound marks, but also for comparable word marks.

Brand owners should be sure to account for all of these considerations in their sound mark application, so that they can successfully protect those sounds that are recognizable identifiers of their business.

RELATED INSIGHTS​ 

December 17, 2025
Vietnam’s National Assembly approved wide-ranging amendments to the Intellectual Property (IP) Law on December 10, 2025, marking one of the most significant overhauls of the country’s IP regime in recent years. The changes, which supplement and refine existing provisions, are designed to align Vietnam’s framework more closely with international standards while addressing practical challenges faced by rights holders and practitioners. The amendments will come into force on April 1, 2026. The most notable changes are detailed below. Recognition of partial and nonphysical industrial designs: Industrial design protection has been broadened to cover partial designs and nonphysical forms (class 32), explicitly extending rights to parts of products that are not independently circulated as well as digital and intangible product appearances. The law clarifies that the external appearances of nonphysical products are protected industrial designs, and circulation of digital copies of any part of that appearance will be treated as an act of using the industrial design. The provision on the industrial applicability of industrial designs has also been amended accordingly to include the uniform reproduction of nonphysical products in cyberspace. Resolving conflicts between overlapping rights: The IP Law provides a safeguard against conflicts when a single subject matter is protected by multiple IP rights. Where overlapping rights exist, the later-arising right will be terminated if its exercise interferes with the normal exploitation of an earlier right. The decision to terminate such a later right rests with the court. Use of published data for AI training: Organizations and individuals may use lawfully published and publicly accessible documents and data for scientific research, testing, and AI system training. Such use must not unreasonably prejudice the rights or legitimate interests of authors or IP rights holders. Where the documents and data fall under copyright or related rights protection, their use must also comply
December 5, 2025
One morning, a California-based company mapping its Southeast Asia rollout opened an unexpected cease-and-desist letter from a Vietnamese IP firm. To the company’s surprise, the letter asserted that a local client already owned the company’s brand in Vietnam and threatened legal action. This is not an isolated incident. In another recent matter in the sports industry, a squatter demanded at least USD 48,000 from our client to “resolve” a similar conflict. For brands entering Vietnam or expanding distribution there, these tactics can create acute risk at precisely the point at which market momentum is building. Vietnam’s rapid economic growth and deepening integration into global trade have made it an increasingly attractive destination for multinational brands. Those same dynamics have intensified a longstanding issue: trademark squatting. Vietnam has modernized its IP framework over the past decade, but its strict first-to-file trademark system continues to incentivize opportunistic filings by parties with no legitimate interest in a mark. As more foreign brands build their reputation abroad before turning to Vietnam, squatters remain alert to timing gaps and enforcement frictions. The First-to-File System: Advantages and Vulnerabilities Vietnam adheres closely to the first-to-file principle under its Law on Intellectual Property. In practice, exclusive trademark rights belong to whoever submits the earliest valid application to the Vietnam Intellectual Property Office, regardless of prior use in Vietnam. This approach offers administrative clarity and reduces evidentiary burdens compared to use-based jurisdictions. Yet it also creates fertile conditions for squatting. Bad-faith actors regularly monitor foreign markets, identify brands gaining traction, and move quickly to register those marks domestically, often long before the genuine owner enters the market or prioritizes local filings. By the time the true brand seeks protection, the squatter’s application (or registration) stands as a legal obstacle, pushing businesses toward costly oppositions, cancellations, or uncomfortable negotiations
November 26, 2025
On November 21, 2025, Myanmar’s Ministry of Commerce (MOC) issued Notification No. 103/2025 promulgating the Geographical Indication Rules (GI Rules), establishing a comprehensive framework for the registration and administration of geographical indications (GI), which are primarily governed by the Trademark Law of 2019. On the same day, the MOC released Notification No. 104/2025 specifying the required forms for GI-related matters. The GI Rules establish a comprehensive set of procedures for the entire GI application process, including filing applications, oppositions, cancellations, and invalidations, and appointing a local representative for GI-related matters. Under the Trademark Law and the GI Rules, domestic and foreign legal entities (organizations) that formally represent a defined group of stakeholders (such as producers or manufacturers of natural products or resources, agricultural products, handicrafts, or industrial products) and other competent authorities from government departments are eligible to apply for GI registration with the Intellectual Property Department (IPD) in Myanmar. Application A GI application can be submitted in either English or Myanmar language electronically, in person, or via post. Foreign applicants seeking to register a GI in Myanmar are required to submit a copy of the registration certificate from their country of origin with the GI application. This certificate must explicitly state the GI name of the protected product. Notably, foreign applicants are mandated to appoint a local representative in Myanmar to act on their behalf for GI-related matters with the IPD and appeal-related matters with the IP Agency. The form for appointing the local representative must be duly notarized in the applicant’s home country to ensure its legal validity and acceptance in accordance with the GI Rules. Application for Use of GI Logo Pursuant to the GI Rules, any interested individual, local or foreign, may submit an application to the IPD for authorization to use the GI logo,
November 21, 2025
Tilleke & Gibbins has contributed the Thailand chapter to Asia IP’s ASEAN Guide to IP Protection 2025, an annual reference covering key developments and practical considerations for intellectual property systems across Southeast Asia. The chapter offers an overview of Thailand’s current legal framework for the protection of trademarks, patents, industrial designs, and copyrights. It summarizes registration requirements, recent regulatory updates, and procedural considerations relevant to rights holders and practitioners. The chapter offers actionable insights for rights holders at every stage of the IP lifecycle and addresses practical strategies for managing portfolios, anticipating enforcement challenges, and maximizing the value of IP assets. The authors also highlight recent trends and developments in Thai IP law, ensuring that readers are equipped with the latest knowledge to inform their decisions. The complete Thailand chapter can be downloaded through the button below, and the chapter is also available on the Asia IP website.