Our Team

At Thames Legal, our well-rounded team offers full-service legal support tailored to each client’s needs. We’re equipped to handle a wide range of matters with professionalism and care.

Patcharawan Rujirachun (Title)

Managing Partner & Founder

Patcharawan is an accomplished lawyer and legal consultant with a broad international outlook. With dual master’s degrees in law from the United Kingdom, she brings academic excellence and global perspective to her legal practice. Patcharawan advises clients on a wide range of legal matters, combining strategic insight, clear communication and a strong commitment to ethical standards. Her trusted counsel is valued by both individuals and corporate clients across diverse sectors.

Expertise

  • Family & Succession
  • Real Estate
  • Corporate & Commercial
  • Dispute Resolution & Litigation
  • Document Certification

Membership

  • Extraordinary Member, Thai Bar Association
  • Attorney License, Lawyers Council of Thailand
  • Notarial Services Attorney, Lawyers Council of Thailand

Education

  • LL.M. with Merit (International Commercial Law), Durham University
  • LL.M. with Merit (International Environmental Law), University of Kent
  • LL.B. in Business Law (2nd Class Honours), Thammasat University
  • LL.B. (Pre-Degree), Ramkhamhaeng University

Languages

  • Thai
  • English
thanatorn associate

Thanatorn Khomkham (Teto)

Associate

Thanatorn is a licensed lawyer with extensive experience advising international clients on legal matters in Thailand, including dispute resolution, commercial transactions, employment and immigration. He specialises in negotiation and amicable settlement, and have drafted numerous contracts for both local and cross-border business operations. Fluent in English and Japanese, Thanatorn helps foreign individuals and companies navigate Thai legal processes with confidence, providing clear communication, reliable support and business-focused legal solutions tailored to their goals.

Expertise

  • Corporate & Commercial
  • Dispute Resolution & Litigation
  • Immigration & Visa 
  • Employment & Labour

Membership

  • Attorney License, Lawyers Council of Thailand

Education

  • LL.M. (Private and Business Law), Chulalongkorn University
  • LL.B., Thammasat University

Languages

  • Thai
  • English
  • Japanese

Suchaya Puthiwinyoo (Orm)

Associate

Suchaya graduated with dual Master’s degrees in Law from the United Kingdom, specialising in Intellectual Property, Entertainment Law, International Commercial Law, and Licensing. She has advised a broad spectrum of clients – from creative professionals to multinational corporations – on international trademark strategy, IP enforcement, licensing agreements, and cross-border commercial transactions. Her work spans multiple jurisdictions, including the UK, EU, United States, and Southeast Asia. Suchaya’s experience includes negotiating technology and content licensing deals, as well as drafting international contracts. With a strong foundation in both civil and common law systems, she provides commercially-focused legal solutions tailored to global clients’ needs. She is fluent in Thai and English, with conversational proficiency in French.

Expertise

  • Real Estate
  • Corporate & Commercial
  • Immigration & Visa 
  • Entertainment Law

Education

  • LL.M. with Merit (Intellectual Property Law), Queen Mary University of London
  • LL.M. with Merit (International Commercial Law), University of Kent
  • LL.B., Thammasat University

Languages

  • Thai
  • English
  • French
tayanun paralegal

Tayanun Pongsiri (Ten)

Paralegal

Tayanun is a senior year law student at Thammasat University and currently interning at Thames Legal. She is particularly interested in corporate and tax law, with proficiency in English and working knowledge of German.

Expertise

  • Finance
  • Corporate & Commercial
  • Immigration & Visa 

Education

  • LL.B., Thammasat University

Languages

  • Thai
  • English
  • German

Pongprueth Rujirachun, M.D.

Consultant

Dr. Pongprueth is a licensed medical doctor who serves as a medical law consultant for our firm. With his unique expertise in both medicine and the legal system, he provides clear, practical guidance to clients facing complex medical-legal challenges. His insights help clients understand the scientific and legal dimensions of their issues, and he offers effective solutions to navigate and resolve them.

Expertise

  • Medical Law
  • Insurance Claims

Education

  • Doctor of Medicine (1st Class Honours), Siriraj Hospital, Mahidol University
  • Resident in Internal Medicine, Siriraj Hospital, Mahidol University
  • LL.B., Ramkhamhaeng University

Languages

  • Thai
  • English
thanarat office manager

Thanarat Phaijit

Office Manager

Thanarat serves as the Office Manager at Thames Legal, overseeing all back-office operations to ensure the firm runs efficiently and securely. His responsibilities include managing the firm’s website, email systems, office equipment, marketing initiatives and strategic partnerships. A former officer of the Royal Thai Air Force, Thanarat brings a disciplined approach to operations with proven experience in the handling of sensitive documents and team leadership.

Education

  • Master of Public Administration, Chulalongkorn University
  • Bachelor of Political Science, Ramkhamhaeng University
  • Officer Training School, Royal Thai Air Force

Languages

  • Thai
  • English