1 year
no
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)
Filing Language: English
via Paris Convention Necessary documents:
- Abstract
 - Abstract Drawing
 - Claim
 - Specification
 - Drawing
 
Attachments (if any)
- Power of Attorney
 - Certified Priority Document
 - Sequence Listing (PDF format and TXT format)
 - Certificate of Deposit of Microorganisms and its Bengali Translation
 - Certificate of Microorganism Survival and its Bengali Translation
 - Priority certificate/Certified Priority Document English translation
 - 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
 - translator statement
 
*Bangladesh patent application documents need notarization
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.
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.
2 years
no
6 months before the filing date/priority date.
no