Appointment Letter of Attorney in Thailand

Our Appointment Letter of Attorney in Thailand is drafted and reviewed by experienced lawyers to ensure compliance with Thai law and practical business use. It provides a reliable legal framework for formally engaging and confirming the appointment of a lawyer or legal representative to act on behalf of a client in legal proceedings or matters in Thailand.

Designed for individuals and businesses seeking to formally appoint legal counsel for representation before a Thai court, government authority, or in a specific transaction, this template covers key legal aspects such as identification of the client and the appointed attorney, the scope of the engagement, fee arrangements, and compliance with the requirements governing legal representation under Thai civil procedure.

However, some situations may require additional clauses or tailored structuring depending on the nature of the legal matter, whether the appointment relates to litigation, transactional work, or regulatory representation, or specific requirements imposed by the relevant court or authority. Our legal team can assist clients with customised appointment letters adapted to their specific situation within a short timeframe.

Disclaimer: This template is provided for general informational purposes only and does not constitute legal advice. While it has been prepared by legal professionals, it may not reflect your specific situation or regulatory constraints. For litigation matters or complex engagements, legal advice should be sought to ensure proper structuring and compliance under Thai procedural law.

Appointment Letter of Attorney Thailand template under Thai law for appointing a lawyer or legal representative

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When should you use an Appointment Letter of Attorney in Thailand?

An Appointment Letter of Attorney in Thailand is used when a client formally engages a lawyer to represent them in a specific legal matter, whether before the Thai courts, in negotiations with a counterparty, or in dealings with a government authority. While court representation typically requires a separate power of attorney form filed with the court, the appointment letter serves as the underlying engagement document confirming the terms on which the lawyer has been retained.

Under the Civil Procedure Code, a party represented by an attorney in litigation must file a power of attorney with the court confirming the attorney’s authority to act. The appointment letter complements this by setting out the broader terms of the engagement, including the scope of work, the fee structure, and the respective responsibilities of the client and the lawyer.

A properly documented appointment provides both parties with a clear and shared understanding of what the engagement covers, reduces the risk of disputes about fees or scope, and gives the client confidence that their legal representation has been formally and transparently established.

Engaging a lawyer without a clear written appointment letter can lead to misunderstandings about the scope of representation, ambiguity about fee arrangements, and difficulty establishing the terms of the engagement if a dispute later arises between the client and the lawyer.

Rental contract agreement document being signed on a desk with keys and pen

1. Identification of the Client and the Attorney

The letter should clearly state the full name and details of the client and the appointed lawyer or law firm, including the lawyer's registration or licence details where applicable.

2. Scope of the Engagement

The letter should define precisely what matters the lawyer has been engaged to handle, whether that is representation in specific litigation, advice on a defined transaction, or ongoing general counsel services.

3. Fee Arrangements

The basis on which fees will be charged whether hourly, fixed, contingency-based where permitted, or a combination should be set out clearly, together with billing frequency and payment terms.

4. Authority to Act

The letter should confirm the specific authority granted to the lawyer, including whether they are authorised to settle the matter, sign documents, or make representations on the client's behalf within defined limits.

5. Confidentiality

A confidentiality clause should confirm that information shared between the client and the lawyer will be treated in accordance with applicable professional confidentiality obligations.

6. Termination of the Engagement

The letter should address how either party may terminate the engagement, including any notice requirements and the treatment of fees for work completed up to the point of termination.

Key Clauses and Essential Elements in an Appointment Letter of Attorney

A well-drafted Appointment Letter of Attorney in Thailand gives both the client and the appointed lawyer a clear and complete record of the terms of the engagement, reducing the risk of later disagreement about the scope, cost, or conduct of the representation.

While the formal power of attorney filed with a court establishes the lawyer’s procedural authority to act, the appointment letter is the document that defines the substantive relationship between the client and their legal representative, including the commercial terms of the engagement.

This document is used across the full range of legal engagements in Thailand, from straightforward transactional advice to complex multi-year litigation, and its content will vary according to the nature and scope of the matter for which the lawyer has been retained.

Why customise an Appointment Letter of Attorney with a lawyer in Thailand?

A standard template of Appointment Letter of Attorney in Thailand is suitable for straightforward engagements, but complex or high-value matters call for a more carefully tailored appointment letter that reflects the specific risks and requirements of the engagement.

Multi-jurisdictional disputes, engagements involving multiple lawyers or firms, contingency or success-based fee arrangements, and long-term advisory relationships each require particular attention in the drafting of the appointment letter.

Depending on the situation, the letter may need to address the coordination between local and foreign counsel, specific conflict of interest disclosures, detailed scope limitations to manage client expectations, or tailored termination provisions appropriate to an ongoing or retained engagement.

Our legal team assists clients and law firms in preparing appointment letters that clearly define the engagement, protect both parties’ interests, and provide a solid foundation for the working relationship.

Appointment Letter of Attorney Thailand

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FAQ

A written document confirming the engagement of a lawyer by a client, setting out the scope of representation, fee arrangements, and the terms governing the working relationship between the parties.

No. A power of attorney is the formal document filed with a court or authority confirming the lawyer’s procedural authority to act. The appointment letter is the underlying engagement document covering the commercial and practical terms of the representation.

 There is no general statutory requirement to document a legal engagement in this specific form, but it is strongly recommended as good professional practice to avoid disputes about scope and fees.

 

Limited forms of contingency or success-based fees are permitted in certain circumstances under Thai law and professional rules, but the arrangement should be clearly documented and structured to comply with applicable restrictions.

Yes, generally. The client retains the right to terminate the engagement, though the appointment letter should address the treatment of fees for work already performed and any practical steps required to transition the matter.

 

Where the matter expands beyond the originally defined scope, the appointment letter should be updated or supplemented to reflect the revised scope and any corresponding adjustment to the fee arrangement.

No. The appointment letter itself is a private agreement between the client and the lawyer. Court representation requires a separate power of attorney form to be filed with the relevant court.

The letter contains personal data relating to the client. The lawyer or law firm, as the party handling this information, must ensure compliance with the Personal Data Protection Act B.E. 2562 (2019) in the storage and use of the client’s personal data.