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Consumer Complaint Filing Costs in Thailand
Cost guide for filing consumer complaints in Thailand — OCPB complaints (free), small claims court, and legal representation options.
Overview
Thailand's consumer protection system is designed to be accessible and affordable. Filing a complaint with the Office of the Consumer Protection Board (OCPB) is completely free. Small claims court charges minimal fees (THB 200). The Consumer Case Procedure Act B.E. 2551 (2008) exempts consumers from court fees in many cases. Legal representation is optional for most consumer claims.
Cost Breakdown
| Service | Government Fee | Lawyer/Agent Fee | Total Estimate | Notes |
|---|---|---|---|---|
| OCPB complaint filing | FREE | N/A | FREE | File online at ocpb.go.th, by phone (1166), or in person |
| Small claims court filing (up to THB 300,000) | THB 200 | N/A (self-representation) | THB 200 | No lawyer required — court assists consumers |
| Consumer court filing (above THB 300,000) | THB 200 (consumer exempt in many cases) | THB 10,000 – 30,000 | THB 10,200 – 30,200 | Consumer Case Procedure Act provides fee exemptions |
| Lawyer consultation (optional) | N/A | THB 0 – 5,000 | THB 0 – 5,000 | Many consumer law firms offer free initial consultations |
| Lawyer representation (optional, simple case) | N/A | THB 5,000 – 15,000 | THB 5,000 – 15,000 | — |
| Lawyer representation (complex case) | N/A | THB 15,000 – 30,000 | THB 15,000 – 30,000 | — |
| Document preparation (demand letter) | N/A | THB 2,000 – 5,000 | THB 2,000 – 5,000 | A lawyer's demand letter often resolves disputes without court |
| Expert witness fees (if needed) | N/A | THB 5,000 – 20,000 | THB 5,000 – 20,000 | Product defect cases may require expert testimony |
Additional Costs to Consider
Document translation (if evidence is in a foreign language): THB 500-2,000 per page
Product testing or expert evaluation: THB 2,000-10,000
Travel to court or OCPB office
Lost wages for court attendance days
Enforcement fees if the seller does not comply voluntarily
Money-Saving Tips
Always start with OCPB — it is completely free and often resolves disputes quickly.
Use small claims court for straightforward cases up to THB 300,000 — no lawyer needed.
Credit card chargebacks are free and effective for online purchase disputes — contact your card issuer.
Marketplace platforms (Lazada, Shopee) have free dispute resolution — use them before escalating.
The OCPB hotline 1166 provides free legal advice — call before spending on a lawyer.
Consumer courts are designed for self-representation — save lawyer fees for complex cases.
Filing consumer complaints with OCPB and small claims court is free or very low cost. Lawyer fees apply only if you choose to hire legal representation. All cost estimates are based on 2026 market rates.
Need professional legal assistance?
When a matter involves investigation, arrest, detention, litigation, or regulatory action, professional legal representation becomes essential.
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