Thames Legal

(+66) 02 088 6288
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(+66) 02 088 6288
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Expertise

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

Languages

  • Thai
  • English

Patcharawan Rujirachun

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.

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

Membership

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

Thames Legal Team

Thanatorn

Khomkham

Associate

Suchaya

Puthiwinyoo

Associate

Tayanun

Pongsiri

Paralegal

Pongprueth

Rujirachun, M.D.

Consultant

Thanarat

Phaijit

Office Manager

Natchaya

Pichetsatha

Consultant

Suchanun

Chalermkiat

Accountant

Varin

Ruangturakit

Business consultant

Corporate & Commercial Law

  1. Company incorporation and corporate structuring in Thailand
  2. Shareholders’ agreements, joint ventures, and investment arrangements
  3. Drafting and review of commercial contracts and business agreements
  4. Legal due diligence for mergers, acquisitions, and investments
  5. Foreign business advisory, including Foreign Business Act (FBA) and BOI matters
  6. Ongoing corporate legal advisory and monthly retainer services
Get in touch

Intellectual Property Law

  1. Trademark registration and protection in Thailand and internationally
  2. Trademark search, clearance, and registrability analysis
  3. Copyright registration and advisory services
  4. Patent and petty patent registration and prosecution
  5. Renewal, assignment, and recordal of intellectual property rights
  6. Drafting and review of licensing, assignment, and commercialization agreements
  7. Intellectual property enforcement and dispute resolution
  8. Strategic intellectual property advisory for corporate clients and startups
Get in touch

Tax Advisory

  1. Corporate and personal tax planning advisory
  2. Tax structuring for businesses and investors
  3. Advisory on corporate income tax, VAT, withholding tax, and specific business tax
  4. Tax compliance review and risk assessment
  5. Cross-border tax advisory and double taxation issues
  6. Assistance and representation in tax audits and inquiries by tax authorities
  7. Ongoing tax advisory services for businesses
Get in touch

Accounting & Financial Advisory

  1. Accounting and bookkeeping services in compliance with Thai accounting standards
  2. Monthly accounting services and statutory filings
  3. Preparation and filing of annual financial statements
  4. Payroll management and social security filings
  5. Accounting support for company incorporation and business setup
  6. Coordination with licensed accounting firms and certified auditors
  7. Accounting compliance review and financial reporting advisory
  8. Ongoing accounting support services for businesses
Get in touch

Entertainment & Media Law

  1. Drafting and review of artist, performer, and influencer agreements
  2. Presenter, endorsement, and brand ambassador agreements
  3. Media and content production agreements for film, television, and digital media
  4. Copyright and intellectual property protection in the entertainment industry
  5. Advisory services on advertising law, image rights, and personality rights
  6. Legal representation in entertainment-related disputes
  7. Legal advisory services for production companies, agencies, and talent management entities
Get in touch

Medical & Healthcare Law

  1. Legal advisory services for hospitals, clinics, and healthcare institutions
  2. Regulatory compliance and licensing for medical and healthcare businesses
  3. Advisory on medical professional regulations and healthcare laws
  4. Representation in medical malpractice claims and healthcare disputes
  5. Drafting and review of medical consent forms and healthcare documentation
  6. Personal data protection and patient privacy compliance (PDPA)
  7. Regulatory advisory on medical devices and pharmaceutical products
  8. Legal risk assessment and compliance audits for healthcare operations
Get in touch

Labour & Employment Law

  1. Drafting and review of employment contracts and service agreements
  2. Preparation of internal work rules, policies, and employee handbooks
  3. Advisory on termination, severance, and labour compliance
  4. Representation before labour authorities and labour courts
  5. Labour dispute resolution and employment-related litigation
Get in touch

Environmental Law & ESG Advisory

  1. Advisory services on environmental legislation and regulatory compliance
  2. Legal support for climate change regulation and climate-related legal obligations
  3. Advisory on climate and social impact, including sustainability and ESG considerations
  4. Legal advisory services for renewable energy projects
  5. Advisory on energy transition and clean energy regulatory frameworks
  6. Legal advisory on pollution control, waste management, and hazardous substances regulations
  7. Legal support for Environmental Impact Assessment (EIA / EHIA) processes
  8. Environmental permits, licences, and regulatory approvals
  9. Environmental due diligence for corporate transactions and infrastructure projects
  10. ESG, sustainability, and environmental governance advisory
  11. Representation in environmental disputes and environmental litigation
  12. Liaison and representation before environmental and regulatory authorities
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Public & Administrative Law

  1. Advisory services on public law and administrative law matters
  2. Representation before government authorities and regulatory bodies
  3. Advisory on licensing, concessions, and regulatory approvals
  4. Administrative appeals and challenges against government orders
  5. Representation before the Administrative Court
  6. Advisory on public procurement and government contracting
  7. Legal review and compliance assessment of public-sector projects
  8. Legal advisory services for state enterprises and private entities involved in public projects
Get in touch

Dispute Resolution

  1. Civil and commercial litigation
  2. Contractual and business disputes
  3. Labour and employment disputes
  4. Medical and professional liability disputes
  5. Negotiation, mediation, and settlement advisory
  6. Enforcement of judgments and debt recovery
Get in touch

Data Protection & Regulatory Compliance

  1. Personal Data Protection Act (PDPA) compliance advisory
  2. Drafting of privacy policies and consent frameworks
  3. Cross-border data transfer advisory
  4. Data protection risk assessment and compliance audits
Get in touch

Legal Documents, Notarial & Legalisation Services

  1. Translation of legal and corporate documents
     (Thai–English / English–Thai / German–English / English–German / Thai–German)
  2. Certified and sworn translations
  3. Notarial and notarisation services
  4. Legalisation and Apostille services
  5. Corporate documents, affidavits, and statutory filings
  6. Visa, work permit, and immigration-related documentation
  7. Contracts, court documents, and official correspondence
  8. Coordination with the Ministry of Foreign Affairs and other relevant authorities
Get in touch

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