20 years (Bangladesh Patents Act 2022)
no
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
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.
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
6 months before the filing date/priority date.
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.
DPDT only conducts formality examination of design patent applications, not substantive examination.
1 year
- Authorization Fee: None
- Annuity: payable year by year starting from the 6th year from the date of application