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Business Criticism in the Public Interest — Section 329 Public-Benefit Defence Applied to Companies
Corporate Complainant (Plaintiff) v Journalist / Consumer Advocate / Former Employee (Defendant)
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 Do not cite it as specific case law — consult a Thai-qualified lawyer for the authoritative Dika number and current application.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 Thai or foreign-invested company prosecuted a journalist, consumer-protection NGO, or former employee for criminal defamation under Sections 326 and 328 of the Penal Code over published criticism of the company's products (e.g. food-safety concerns, supplement labelling, environmental discharge), business practices (e.g. tax behaviour, related-party transactions), or treatment of workers. The defendant relied on Section 329 (good faith, fair comment on a matter of public interest) and adduced evidence of independent testing, regulator complaints, and on-the-record sources.
Legal Issue
Whether and how the Section 329 defence applies where the subject of the criticism is a corporate entity rather than a natural person, and what evidentiary effort the defendant must make to attract its protection.
Holding
The Supreme Court has consistently held that companies and other juristic persons have honour and reputation capable of being defamed, but that the Section 329 public-benefit defence applies with particular force where the subject of criticism is a corporate actor in a regulated market. To attract the defence the defendant must show: (i) good faith — an honest belief in the truth of the matter or in the legitimacy of the criticism; (ii) a basis in fact — adequate sourcing, documentary support, or independent expert evidence; (iii) a matter of public interest — consumer protection, public health, environmental impact, regulatory compliance, or governance of a publicly relevant business; and (iv) proportionality — language no more pejorative than the underlying material warrants. Where these are met, the defendant is acquitted under Section 329 even if the published statements ultimately turn out to be inaccurate in details.
Reasoning
Section 329 reflects a deliberate legislative balance between honour-protection and the public's interest in scrutinising powerful actors. Companies, regulators, and large employers wield public-facing power and are accordingly more legitimate subjects of fair comment than private individuals. The good-faith and public-benefit elements are calibrated to require responsible journalism without demanding the impossible standard of guaranteed accuracy.
Significance
The principal doctrinal anchor for investigative journalism and consumer-protection reporting in Thailand. Anchors anti-SLAPP defences under Section 161/1 CPC and informs editorial standards for Thai newsrooms and English-language outlets serving expat readers.
Practical Takeaway
Before publishing critical material about a business, document your sourcing trail: independent tests, regulator filings, expert opinions, on-the-record statements, and your editorial review process. Frame the article in terms of the public interest it serves. Section 329 is a strong defence — but only when actively prepared and pleaded.
Cited Statutes
- Penal Code, Sections 326, 328, 329, 330
- Constitution of the Kingdom of Thailand B.E. 2560 (2017), Sections 34, 35 (freedoms of expression and the press)
- Criminal Procedure Code, Section 161/1 (anti-SLAPP dismissal)
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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