no
Inventions under the via Paris Convention : 12 months from the earliest 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.
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
- 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.
 
1 year
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
6 months before the filing date/priority date.
no
- Authorization Fee: None
 - Annuity: payable year by year starting from the 6th year from the date of application