Expats in Thailand
Clear guidance in English on every step.
Department of Intellectual Property
Patent and copyright protection in Thailand
Patent, petty patent and copyright registration in Thailand: searches, drafting, translation and filing with the Department of Intellectual Property. Ask on LINE @NAATI.
What you should know
Thailand offers invention patents, design patents and petty patents, while copyright arises automatically and can be recorded for evidence. Filings are made with the Department of Intellectual Property and foreign documents need Thai translation.
Who we help
Thai–foreign families
Bilingual documents and translations prepared in-house.
Companies & employers
Support for staff and corporate documents.
How it works
1. Free review
Send your documents on LINE @NAATI and we review your situation.
2. Document checklist
A tailored list of what you need for your case.
3. Translation & certification
Foreign documents translated and certified where required.
4. Filing
We prepare and file, or accompany you to the office.
5. Follow-up
We handle officer requests until the case is complete.
6. Next steps
Reminders for renewals and related obligations.
Frequently asked questions
What is a petty patent?
A faster, lighter protection for inventions with less inventive step, with a shorter term than a full patent.
Do I need to register copyright?
Copyright exists automatically, but recording it gives useful evidence in disputes.
Can I claim priority from abroad?
Yes, within the Paris Convention priority period.
Do you translate specifications?
Yes, technical translation into Thai.
How much does it cost?
Our service fee is quoted per case. Official fees are paid at the official rate.
Related services
One team handles the full chain — translation, notarisation, MFA legalisation and embassy attestation — so your document is accepted the first time.
Certification & legalisation
Translation
Personal records & immigration
Not sure which route your document needs?
Send a photo or scan and our staff will confirm the exact steps, supporting documents and realistic turnaround under the receiving authority's current rules.
Free document check
Send your documents on LINE @NAATI or call 094-8958999. Service fees are quoted per case; government fees are paid at the official rate.