- via Paris Convention : 12 months from earliest priority date.
 - via Nationalization of PCT : 30 months from the earliest priority date.
 - Validation of European Patent in EPO member states: within 3 months from the date of grant of the European patent.
 
If within 12 months before the filing of the design patent application, due to the disclosure of the designer or its former right holder, the novelty grace period can be enjoyed.
ATPO conducts formality examination only for utility model patent applications. Although ATPO searches utility model patent applications, the search results do not affect the grant results. The applicant may amend the patent application after receiving the search report.
via Paris Convention : 12 months from earliest priority date.
via Nationalization of PCT : 30 months from the earliest priority date.
Validation of European Patent in EPO member states: within 3 months from the date of grant of the European patent.
yes. Before the patent is granted/rejected, the patent type can be changed from invention to utility model at the request of the applicant. Can only be converted once.
yes
yes. Prior to patent grant/rejection, the patent type can be converted from utility model to invention at the request of the applicant. Can only be converted once.
yes
Filing Language: German 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
 
ATPO conducts formality examination and substantive examination of invention patents. The search report will be published together with the patent application within 18 months from the filing date, and the substantive examination will start automatically, and the applicant does not need to file a separate request for substantive examination. It can be authorized if the granted conditions are met.
The initial protection is 5 years, which can be renewed 4 times for a maximum protection of 25 years.