Senior Partner


Supoj Boonyavanich

Senior Partner

Supoj is notably skilled and experienced as a cooperate lawyer. Having lived abroad in the UK and the USA, he is able to entwine his international legal knowledge to those of Thai laws. Thus, granting him extensive insight of Foreign Business Law and International Cooperate Law. With over four decades of practicing law, his diligent and committed nature are demonstrated in his work at ILCT, as well as his passion for legal work and those surrounding him.

His immense range of knowledge has also greatly contributed to the writing of the Thailand Legal Business Handbook published by ILCT.  The book is in collaboration with the Board of Investment of Thailand (BOI), which is available throughout Thailand. Additionally, his ability to retain clients for an extensive period of time has only affirmed his standing as a distinguished lawyer.


  • Thammasat University (LL.B., 1970)
  • Institute of Legal Education; Thailand (Barrister-at-Law, 1971)
  • University of Illinois College of Law (M.C.L., 1977; LL.M., 1979)


  • Thai Bar Association; Lawyers Council of Thailand
  • Law Association for Asia and the Western Pacific (LAWASIA)
  • Association Internationale pour la Protection de la Propriete Industrielle
  • Thammasat Alumni Association
  • American Alumni Association


Thai and English

Practice Areas

General Practice, Corporate Law, Foreign Business Law, Promotion of Investment Practice, Merger, Take-Overs and Acquisition, Joint Ventures, Competition / Anti-Trust / Anti-Monopolies. Act of Muti-Corporations in doing business in Thailand. Contributor: Thailand Legal Business Handbook, ILCT, Millennium Edition.