1 year
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
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.
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)
20 years (Bangladesh Patents Act 2022)
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
DPDT only conducts formality examination of design patent applications, not substantive examination.
- Authorization Fee: None
- Annuity: payable year by year starting from the 6th year from the date of application
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.