LLM, Columbia University
LLB, Chulalongkorn University
+66 2056 5792 
Pathanin Sornchangwat is an associate in Tilleke & Gibbins’ dispute resolution department in Bangkok. He advises clients across the full spectrum of dispute-related matters, from prelitigation strategy through to trial and enforcement. His practice focuses on commercial litigation, contractual disputes, construction matters, high-net-worth family and estate administration issues, employment disputes, and criminal matters.
Pathanin works closely with both domestic and international clients to develop practical, commercially grounded strategies aligned with their legal and business objectives. He places particular emphasis on early risk assessment and mitigation, as well as on structuring effective case strategies to manage complex disputes and achieve favorable outcomes.
Pathanin holds an LLM from Columbia Law School and an LLB from Chulalongkorn University. He is a member of the Lawyers Council of Thailand.
- Represented a global data and technology company in defending claims brought by a Thai bank in connection with a government procurement project involving software and banking system development.
- Secured a favorable settlement for 11 Taiwanese co-insurers in Thai court proceedings against a Japanese manufacturer, pursuing THB 2.3 billion in damages arising from a transformer explosion linked to alleged defective manufacturing.
- Advised a leading Southeast Asian securities exchange operator in a breach of contract claim against a local developer for the development, implementation, and maintenance of a shared back-office infrastructure for brokers.
- Advised a U.S. electric bicycle manufacturer on claims for USD 30 million against a Thai supplier for contractual breaches and defective manufacturing, leading to a multi-jurisdictional product recall across the United States, Europe, and Canada.
- Advised a multinational sports promotion company and its Thai affiliate on THB 147 million in claims arising from payment defaults under golf tournament agreements, including strategy for Thai court proceedings and ICC arbitration.
- Successfully acted for a leading Taiwanese electronic components and power supply manufacturer in multiple civil claims against suppliers for procurement-related breaches.
- Successfully represented a leading Southeast Asian bank in high-volume debt recovery actions against defaulting customers, alongside strategic pursuit of related criminal proceedings.
- Represented a leading Taiwanese electronic components and power supplies manufacturer in a series of civil and criminal lawsuits against one of Thailand's largest labor unions, including disputes over collective bargaining agreements, unfair dismissal, misconduct, and defamation.
- Secured a favorable judgment for a leading Japanese consumer and chemical products company in defending against a series of labor lawsuits brought by former employees, in which the Thai Labor Court affirmed the company’s long-standing wage and severance calculation practices.
- Secured a favorable judgment for a leading Thai food and beverage company in labor litigation involving the enforcement of non-compete obligations against former executive employees.
- Successfully negotiated a favorable settlement for a multinational media company and its executives in an unfair termination claim brought by a former executive employee.
- Advised a leading Thai bank on strategic and risk-mitigating approaches to the legally compliant closure of its branches, including the consequential business impact and implications under Thai employment law.
- Successfully negotiated a favorable settlement for a high-net-worth individual in cross-border cases concerning divorce, child custody, and prenuptial agreement enforcement, collaborating with New York counsel to execute a settlement agreement in parallel proceedings.
- Assisted a foreign individual in successfully obtaining the first return order by the Thai Juvenile and Family Court under the Hague Convention on the Civil Aspects of International Child Abduction, enabling the return of the children to their country of habitual residence.
- Successfully obtained a Thai court's estate administratorship order for a foreign client in contested cross-border probate proceedings, enabling the client's pursuit of missing estate assets valued at over THB 400 million.