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