no
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
no
6 months before the filing date/priority date.
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
no
DPDT conducts formality examination and substantive examination of invention patent applications. The substantive examination starts automatically, and the applicant does not need to file a separate request for substantive examination. If the conditions for patent granted are met, the patent application will enter the public stage. If there is no objection within 4 months after publication, the patent application will be authorized.
20 years (Bangladesh Patents Act 2022)
via Paris Convention : 6 months from earliest priority date.