It is protected for 5 years from the date of application, renewed every 5 years, and can be renewed twice, up to a maximum of 15 years.
If the patent is disclosed due to the display at the exposition or unintentional disclosure, the novelty grace period can be enjoyed within 6 months before the filing date/priority date.
no
no
2 years
Filing Language: English Necessary documents:
- Exterior Design Picture (Six Views)
 - A Brief Description
 
Attachments (if any):
- Power of Attorney
 - Priority certification documents and their English translations of Certified Priority Documents
 - Declaration of Ownership/Certification of Employment/Assignment of priority
 Assignment for Patent Right Transfer
All patent application documents in Bangladesh need to be notarized
Inventions under the via Paris Convention : 12 months from the earliest priority date.
DPDT only conducts formality examination of design patent applications, not substantive examination.
no
1 year
no