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Distinguishing Fact from Opinion in Commercial and Product Criticism
Business Complainant v Consumer / Reviewer
Composite summary — not a single reported case. This entry distils a settled line of Thai Supreme Court (Dika / ฎีกา) authority for legal education. It is not a transcript of one reported judgment, and the heading is not a citable case number. Do not cite it as specific case law — consult a Thai-qualified lawyer for the authoritative Dika number and current application.
Facts
A consumer posted a critical review of a business — restaurant, clinic, school, or product. The review contained a mix of (i) statements of personal experience and opinion ('I found the food cold', 'the staff were rude'), and (ii) factual allegations about the business ('the kitchen is unhygienic', 'they overcharged me by 500 baht'). The business sued for defamation.
Legal Issue
How Thai courts distinguish protected opinion and 'fair comment' from actionable factual assertions, and what the consumer must prove.
Holding
The Supreme Court has held that genuine expressions of personal opinion or experience, clearly framed as such, are not actionable defamation even if unflattering, provided they are made in good faith and not as a vehicle for false factual assertions. Statements presented as facts must be substantially true and made for public benefit (Section 329); reckless or fabricated factual claims remain defamatory whether 'opinions' or not. The framing, tone, and ordinary reader's understanding determine which category a given statement falls into.
Reasoning
Consumer expression is part of legitimate market function and freedom of expression. Permitting businesses to suppress all critical opinion would distort competition and harm consumer welfare. But the protection is limited to honest opinion and accurate fact, and does not authorise fabrication.
Significance
Foundation for the legality of online reviews, social-media commentary on businesses, and consumer journalism in Thailand. Particularly relevant to platforms hosting user content.
Practical Takeaway
Consumer reviewers: clearly mark opinions ('I felt', 'in my view', 'I experienced'), keep receipts and photos for any factual claim, and avoid inflammatory factual allegations. Businesses: respond to reviews through reply rather than litigation in most cases.
Cited Statutes
- Penal Code, Sections 326, 328, 329
- Consumer Protection Act B.E. 2522 (1979)
- Constitution of the Kingdom of Thailand B.E. 2560 (2017), Section 34
This entry summarises a representative line of authority from the Thai Supreme Court (ฎีกา). It is intended for general legal education only and is not a substitute for advice from a Thai-qualified lawyer. Individual Dika case numbers are being verified against primary sources; until then these entries are presented as composite doctrinal summaries.
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