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Piyawat Vitooraporn

Senior Associate

Biography

Piyawat Vitooraporn is a senior associate in Tilleke & Gibbins’ dispute resolution group. He advises clients on a wide range of legal services related to civil and criminal disputes, including all stages of litigation and pre-litigation. His major areas of practice include white-collar crime, administrative and governmental disputes, computer and technology law, director and officer liability (civil and criminal), commercial litigation, and employment law. He has particular experience with high-value fraud and theft cases, advising on asset recovery and diplomatic issues relating to criminal prosecution in Thailand. He also has experience working with regulators and advising on compliance with Thai law with respect to online platform operations and online innovation.

Piyawat has completed the constitutional and administrative law training program organized by Tilleke & Gibbins and led by esteemed academics, former judges, and other accomplished legal practitioners in Thailand. He also regularly contributes to cyber law and employment law publications, among others, and is a regular speaker at Tilleke & Gibbins’ Annual Employment Law Forum.

Piyawat holds an LLB and an LLM from Chulalongkorn University. He has completed the barrister-at-law requirements of the Thai Institute of Legal Education, is a member of the Lawyers Council of Thailand, and is a licensed notarial services attorney.

Experience

  • Advised a well-known social media platform on compliance and regulatory matters relating to Thailand’s Computer Crime Act B.E. 2550 (2007) and other legal issues applicable to online service providers.
  • Successfully argued for the revocation of a court order to take down online content for a major international online petition platform.
  • Represented a European multinational company in asset recovery and criminal prosecution against perpetrators and a former employee who committed fraud against the company’s property, causing over USD 200 million in damages.
  • Successfully defended directors and employees of multinational companies against false allegations arising from a director dispute, and advised on counterclaims against submission of false complaints.
  • Advised a client on legal actions relating to wrongful acts involving cryptocurrency and digital assets.
  • Represented a major international client in a successful complex claim for compensation relating to wrongful acts and false certification.
  • Acted as part of team that successfully represented a major commercial client in criminal and civil labor cases, both at pre-litigation stages and in court. The outcome prevented a major disruption to the client’s business that would have had extremely costly repercussions.
  • Successfully defended a client at the Court of Appeal against an attempt to unlawfully execute a foreign judgement in Thailand.
  • Successfully advocated on behalf of a client in a complex cross-border family dispute at the Court of Appeal. Thanks to the zealous representation of the client, the order of the lower court was reversed.
  • Successfully advised clients in the pre-litigation stage of a high-value embezzlement and defamation case, leading to a satisfactory outcome.
ABOUT Piyawat

Location

Languages

    Thai

    English

Education

    LLM, Chulalongkorn University

    LLB, Chulalongkorn University

Insights

June 29, 2026
Thailand’s cabinet has approved the draft Act on Liability for Defective Goods, commonly called Thailand’s “Lemon Law.” The Draft Act is currently pending consideration by Parliament. The draft law aims to strengthen buyers’ position in pursuing cases against sellers. While the Civil and Commercial Code offers provisions governing liability for defective goods, it is difficult in practice for buyers to successfully make a claim against sellers, particularly where defects are latent and not discoverable at the time of sale or delivery. By introducing product-specific rules and clearer remedies, the new law is intended to modernize Thailand’s consumer protection framework and align it more closely with international standards, and to help relieve the buyer’s burden of proof against the seller in product liability cases. If enacted, the draft act will take effect 180 days after publication in the Government Gazette, giving businesses a transition period to assess their compliance obligations. This article provides an overview of the key provisions of the draft act and highlights some practical considerations for businesses operating in Thailand. Scope and Key Definitions The draft act applies to sellers—defined as persons who sell goods in the ordinary course of business—and protects buyers, a term defined broadly to include not just the original purchaser but also transferees and successors in title. This expands the class of people who can bring claims. The law does not apply to used goods, live animals, or goods exempted by future ministerial regulation. It also leaves intact any separate warranties, promises, advertisements, or other guarantees a seller has given; those remain enforceable alongside the new statutory rights. General Liability for Defective Goods Sellers are liable for defects that exist at the time of delivery, regardless of whether the seller knew about them. Liability arises where a defect reduces: The benefit intended under
June 16, 2026
The president of Thailand’s Supreme Court has issued new recommendations providing courts with criminal jurisdiction with a comprehensive framework for identifying and dismissing criminal cases brought in bad faith. Published in the Government Gazette on May 29, 2026, after being signed on May 25, the Recommendations of the President of the Supreme Court Concerning Bad-Faith Litigation in Criminal Cases B.E. 2569 were issued under Section 5 of the Act on the Organization of Courts of Justice. The recommendations took effect upon publication and represent a significant step in Thailand’s efforts to curb abusive criminal litigation, including strategic lawsuits against public participation (SLAPP). Background Section 161/1 of Thailand’s Criminal Procedure Code empowers courts to dismiss criminal cases filed dishonestly or with the intent to harass or take unfair advantage of a defendant. The new recommendations provide detailed guidance that courts previously lacked on identifying and handling such prosecutions. Definition of Bad-Faith Litigation Under recommendation 1, filing a criminal case in bad faith is defined broadly to encompass three categories: Harassment-type filings involving intimidation, threats, or creating unreasonable hardship for the defendant; Coercive filings designed to pressure the defendant into acting or refraining from acting for illegitimate benefit; and False or misleading filings that deliberately assert incorrect material facts or conceal such facts. Circumstances Indicating Bad Faith Recommendation 2 sets out specific circumstances that should raise a court’s suspicion that a filing may violate section 161/1. These include: Filing in a distant court far from the defendant’s domicile without benefiting the adjudication; Retaliation against the defendant’s advocacy for human rights, environmental protection, consumer rights, labor rights, or other public interests—effectively establishing an express anti-SLAPP framework; Retaliation against whistleblowers who disclosed corruption or unlawful conduct; Retaliation against individuals responsible for investigating the plaintiff’s wrongdoing or who concluded such an investigation; Filing multiple
December 3, 2025
Recent high-profile corporate fraud and accounting scandals have brought increased scrutiny to governance, compliance, and enforcement practices in Thailand, highlighting the legal and practical challenges facing companies operating in the country. As regulators and law enforcement authorities sharpen their focus on financial misconduct, cybercrime, and corruption, businesses must navigate a complex and evolving investigative landscape. Tilleke & Gibbins’ investigations and compliance team examines these issues in the Thailand chapter of The Practitioner’s Guide to Global Investigations – Tenth Edition, published by Global Investigations Review (GIR). The chapter provides a detailed overview of Thailand’s legal framework for corporate investigations, offering practical guidance for companies and counsel responding to regulatory and criminal scrutiny. The Thailand chapter covers key topics including corporate criminal liability, enforcement priorities, internal investigations, data protection considerations, dawn raids, whistleblowing, cyber-related investigations, and cross-border cooperation. It also addresses emerging issues such as cybersecurity enforcement, economic sanctions compliance, and anticipated developments affecting investigations in Thailand. The chapter is authored by John Frangos, Chitchai Punsan, Alongkorn Tongmee, Michael Ramirez, Piyawat Vitooraporn, and Michelle McLeod. The Thailand chapter is available as a PDF below, and the full guide can be accessed on the GIR website.
May 2, 2025
Attorneys from Tilleke & Gibbins have updated the latest edition of Doing Business in Thailand, a Q&A-style guide from Thomson Reuters Practical Law that offers an overview of key legal considerations for companies operating in jurisdictions worldwide. The contribution outlines the country’s legal and regulatory framework for foreign investment and business operations and reflects the latest legislative developments. The chapter addresses the following core topics: Legal system: Structure of the courts and the codified nature of Thai law. Foreign investment: Business restrictions under the Foreign Business Act, sector-specific regulations, exchange control rules, and investment incentives. Business vehicles: Overview of partnerships, private and public limited companies, and other legal entities. Employment: Labor protections, employment contracts, foreign worker requirements, and termination procedures. Tax: Corporate and personal income tax, indirect taxes, and tax obligations for residents and non-residents. Intellectual property: Registration and enforcement of patents, trademarks, designs, and copyrights. Data protection: Key provisions of the Personal Data Protection Act and related compliance obligations. Competition law: Regulatory framework under the Trade Competition Act. Anti-bribery and corruption: Relevant legislation and enforcement mechanisms. E-commerce and digital business: Legal regime for online transactions and digital platforms. Marketing and advertising: Consumer protection laws and regulations affecting advertising and marketing practices. Product regulation and liability: Safety standards, liability regimes, and roles of enforcement authorities. Practical Law, a legal reference resource from Thomson Reuters, publishes a range of guides for hundreds of jurisdictions and practice areas. The insurance and reinsurance guide is a valuable resource for legal practitioners, covering numerous jurisdictions worldwide. To view the latest version of the guide, please visit the Practical Law website and enroll in the free Practical Law trial to gain full access.

Awards & Rankings

May 11, 2026
Tilleke & Gibbins has continued to show excellent performance in the recently released Benchmark Litigation 2026 rankings for dispute resolution firms in the Asia-Pacific region. The rankings include two jurisdictions where Tilleke & Gibbins is active: Thailand and Vietnam. Firm Rankings A full summary of the firm’s rankings is provided below: Thailand Commercial & Transactions – Tier 1 Government & Regulatory – Tier 1 Labor & Employment – Tier 1 Intellectual Property – Tier 1 Trade & Customs – Tier 2 Vietnam Commercial & Transactions (Foreign Firms) – Tier 1 Intellectual Property (Foreign Firms) – Tier 1 Labor & Employment (International Firms) – Highly Recommended (top tier awarded in this category) White Collar Crime – Recommended (top tier awarded in this category) Energy & Construction (Foreign Firms) – Tier 2 International Arbitration – Tier 2 Individual Rankings The 2026 edition also recognizes 12 Tilleke & Gibbins lawyers in Thailand—more than any other firm in the jurisdiction—and four in Vietnam. Thailand Alongkorn Tongmee – Trade & Customs Chitchai Punsan – Commercial & Transactions Chusert Supasitthumrong – Labor & Employment John Frangos – Commercial & Transactions Noppramart Thammateeradaycho – Shipping Nuttaphol Arammuang – Intellectual Property Piyawat Vitooraporn – Commercial & Transactions Pongpalin Chantrapirom – Commercial & Transactions Suebsiri Taweepon – Intellectual Property Suruswadee Jaimsuwan – Commercial & Transactions Thawat Damsa-ard – Commercial & Transactions Tiziana Sucharitkul – Commercial & Transactions, Government & Regulatory Vietnam Duc Anh Tran – Commercial & Transactions Linh Duy Mai – Intellectual Property Loc Xuan Le – Intellectual Property Tu Anh Tran – Commercial & Transactions Benchmark Litigation’s annual research is based on interviews with dispute resolution specialists and clients, as well as analysis of recent casework and market developments. To view the full results, please visit the Benchmark Litigation websites for Thailand and Vietnam.

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