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Patent Act Section 29 — Request for substantive examination
Patent Act (พระราชบัญญัติสิทธิบัตร) — Section 29.
Plain-English Summary
After the application is published under Section 28, the applicant must file a request for examination within five years of the publication date, or the application is deemed abandoned. Where an opposition and appeal take place under Sections 33 and 34, the request is due within one year of the final decision, whichever period ends later. Oppositions must be filed within ninety days of publication (Section 31), and the grant fee is payable within sixty days of notice (Section 33).
Official Text
Official Thai text at the Royal Gazette / Office of the Council of State. Translation summary only.
Consult official sourceParent Statute
Patent Act
พระราชบัญญัติสิทธิบัตร · B.E. 2522 (1979)
The Patent Act B.E. 2522 (1979) governs invention patents, design patents, and petty patents (อนุสิทธิบัตร) in Thailand. The Minister of Commerce administers the Act (Section 4), and the Act's Director-General is the Director-General of the Department of Intellectual Property (DIP) (Section 3). The Patent Board hears appeals against the Director-General's orders, and a party may take a Board decision to the court (Sections 66, 72 and 74).
The summary above is a plain-English educational paraphrase of Section 29 of the Patent Act. It is not an authoritative translation. For the binding Thai text, consult the Royal Gazette or the Office of the Council of State. Educational use only — not a substitute for advice from a Thai-qualified lawyer.
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