no
no
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
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
Bangladesh Patent and Trademark Office
English: Department of Patents, Designs and Trademarks Ministry of Industries, abbreviation: DPDT
Website: Department of Patents, Designs and Trademarks (DPDT)
Inventions under the via Paris Convention : 12 months from the earliest priority date.
6 months before the filing date/priority date.
1 year
- Grant fee: The applicant shall pay the granted official fee within 2 months after receiving the granted notice.
 - Annuity: It needs to be paid year by year starting from the fifth year from the application date.
 
DPDT only conducts formality examination of design patent applications, not substantive examination.