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)
DPDT only conducts formality examination of design patent applications, not substantive examination.
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
no
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.
via Paris Convention : 6 months from earliest priority date.
no
Inventions under the via Paris Convention : 12 months from the earliest priority date.
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