- via Paris Convention : 12 months from earliest priority date.
 - via Nationalization of PCT : 30 months from the earliest priority date.
 
DIP conducts substantive examination of design patent applications, and only examines whether the conditions of novelty and industrial applicability are met.
yes. Patent applicants can change the patent type from invention to petty patent (utility model) before the patent application is granted. The converted patent application has the filing date of the original patent application.
10 years
Filing Language: Thai Necessary documents:
- Exterior Design Picture (Six Views)
 - A Brief Description
 
Attachments (if any):
- Power of Attorney
 - Certified Priority Document
 - Declaration of Ownership/Certification of Employment/Assignment of priority
 - Assignment for Patent Right Transfer
 Business license for company registration or articles of incorporation
*Thailand patent application documents need to be notarized
- Authorization Fee: None
 - Annuity: The applicant should pay the first annual fee at the beginning of the 5th year from the application date. If it is authorized at the beginning of the 5th year, it must be paid within 60 days from the date of granted. If the annual fee is overdue, it can be paid within 120 days of the overdue period. The annual fee can be paid for multiple years at one time.
 
no
Filing Language: Thai
via Paris Convention via Nationalization of PCT Necessary documents:
- Abstract
 - Abstract Drawing
 - Claim
 - Specification
 - Drawing
 
Necessary documents:
- Abstract
 - Abstract Drawing
 - Claim
 - Specification
 - Drawing
 
Attachments (if any)
- Power of Attorney
 - Certified Priority Document
 - Declaration of Ownership/Certification of Employment/Assignment of priority
 - Assignment for Patent Right Transfer
 - Notification issued by CNIPA notify the applicant the application has passed through the security review
 Business license for company registration or articles of incorporation
*Thailand patent application documents need to be notarized
Attachments (if any)
- WIPO Publication
 - ISR/IPRP
 - Entering the Thai national phase 19/28/34/41 amended
 - Declaration of Ownership/Certification of Employment/Assignment of priority
 - Assignment for Patent Right Transfer
 - Business license for company registration or articles of incorporation
 
*Thailand patent application documents need to be notarized
6 months
not applicable. Designs disclosed to the public prior to filing are not eligible for application.
no