Mr Kasamesunt Teerasitsathaporn > Tilleke & Gibbins > Bangkok, Thailand > Lawyer Profile

Tilleke & Gibbins

Work Department

Dispute Resolution Department


Practice Areas: Dispute Resolution and Litigation, Customs Disputes, Complex Civil and Criminal, Property, Administrative Disputes, Bankruptcy and Restructuring, Labor, Transportation and Logistics


Kasamesunt Teerasitsathaporn is a partner in Tilleke & Gibbins’ dispute resolution group with nearly 25 years of litigation experience. Known for his attention to detail and ability to negotiate and deal with government officials, police, and prosecutors, Kasamesunt is sought after by clients to handle complex customs disputes, criminal matters, and civil cases. Clients appreciate his ability to distill complex facts into persuasive arguments and find practical solutions.

As a leader of the firm’s customs and international trade practice, Kasamesunt has significant experience helping clients resolve customs matters and handle customs assessments. Kasamesunt assists clients from the beginning phases of negotiations with customs officers through post audit, investigations, and litigation in Tax or Criminal Courts. These cases often have a criminal liability component, thus raising the stakes for clients.

Kasamesunt also has strong experience in both prosecuting and defending against fraud, forgery, and other white collar crime matters, as well as trying cases before Thailand’s Administrative Court. In addition, in his many years of litigating, he has handled complex civil litigation involving contract disputes, consumer cases, product liability, regulatory affairs, labor, bankruptcy, reorganization, insurance, trade, property, transportation and logistics, and cross-border issues. He is adept at winning both inside and outside of the courtroom, having extensive experience in negotiation and arbitration. He is an aggressive litigator, and is a zealous advocate for his clients.

Regarded by his peers as a leading lawyer, Kasamesunt currently serves as a director of Notary Public Certification Examination Committee. He is a former director of the Draft Law Screening Committee at the Lawyers Council of Thailand—a committee responsible for reviewing all draft laws before they are passed by the legislature and the Editorial Department, and for reviewing legal articles to publish on Journal of Lawyers Council of Thailand.

Kasamesunt is also a member of the Thai Bar Association and the Chartered Institute of Arbitrators, has completed the Barrister-at-Law requirements of the Institute of Legal Education, Thai Bar Association, and is a certified arbitrator of the Thai Arbitration Institute.


Thai, English


LLM, Ramkhamhaeng University
LLB Thammasat University.

Lawyer Rankings

Thailand > Customs and international trade

The customs and international trade practice at Tilleke & Gibbins represents domestic and international clients in a range of matters, including customs classifications and valuations, anti-dumping compliance and import and export licensing. The team is jointly led by Michael Ramirez, Kasamesunt Teerasitsathaporn and Kobkit Thienpreecha. Ramirez assists domestic and international clients with customs and excise litigation cases, and Teerasitsathaporn also handles complex customs disputes.