- 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.
 
via Paris Convention : 6 months from earliest priority date.
Intellectual Property Office of the Ministry of Commerce of Thailand
English: Department of Intellectual Property, abbreviation: DIP
Website: Home (ipthailand.go.th)
Thailand Invention Patent Search: DIP (ipthailand.go.th)
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
Reinstatement of priority on grounds of "due care" accepted.
6 months
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
The DIP conducts formality examination and substantive examination of the invention patent application. The formality examination generally takes 1-1.5 years. After the completion of the preliminary examination, the patent application will be published and enter a 90-day opposition period. The applicant can only submit a substantive examination request within 5 years after the application is published, and the examination results of other countries such as Japan, the United States, the United Kingdom and Europe need to be provided to the DIP.
The initial period of protection is 6 years, which can be renewed twice, up to a maximum of 10 years.
not applicable. Designs disclosed to the public prior to filing are not eligible for application.