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    The content on this page is for general educational purposes and does not constitute legal advice. Every legal situation is unique. For matters involving investigation, arrest, litigation, or formal proceedings, consult a qualified legal professional.

    IP Offences
    moderate offence

    Trade Secret Misappropriation in Thailand

    Unauthorized acquisition, disclosure, or use of protected trade secrets.

    Last updated: February 2026
    Legal Sections

    Trade Secrets Act B.E. 2545 (2002)

    Maximum Penalty

    Up to 2 years imprisonment and/or fine up to 200,000 THB

    Severity Level

    moderate

    Definition

    Unauthorized acquisition, disclosure, or use of protected trade secrets. Under Thai law, this offence is classified as a moderate offence within the category of IP Offences.

    Elements of the Offence

    For a conviction, the prosecution must prove all of the following elements beyond reasonable doubt:

    1

    Information qualifies as trade secret

    2

    Reasonable measures to maintain secrecy

    3

    Unauthorized acquisition or disclosure

    4

    Economic harm to secret holder

    Penalties

    Maximum Penalty

    Up to 2 years imprisonment and/or fine up to 200,000 THB

    Actual sentences depend on factors including the severity of the conduct, harm caused, prior convictions, and mitigating circumstances. Courts have discretion to impose lesser sentences within the statutory range.

    Possible Defences

    The following defences may be available depending on the circumstances:

    Information publicly available

    Independent discovery or development

    Authorized disclosure

    Reverse engineering of lawfully obtained product

    Note: The availability of defences depends on specific facts. Professional legal advice is essential.

    For Foreigners

    Special Considerations for Foreign Nationals

    Trade secret protection is critical for foreign companies operating in Thailand. Employment contracts and NDAs should be carefully drafted under Thai law.

    When Legal Representation Matters

    If you are accused of trade secret misappropriation or facing investigation, immediate legal representation is essential to protect your rights and build an effective defence.

    Anglo Siam Legal provides experienced legal services across Thailand for both Thai nationals and foreigners.

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