no
- Authorization Fee: None
- Annuity: payable year by year starting from the 6th year from the date of application
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.
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
1 year
via Paris Convention : 6 months from earliest priority date.
Inventions under the via Paris Convention : 12 months from the earliest priority date.
no
20 years (Bangladesh Patents Act 2022)
no
no