Which is the competent authority for invention patent applications in Bangladesh

1 year

DPDT only conducts formality examination of design patent applications, not substantive examination.

Inventions under the via Paris Convention : 12 months from the earliest priority date.

no

via Paris Convention : 6 months from earliest priority date.

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.

• Authorization Fee: None
• Annuity: payable year by year starting from the 6th year from the date of application

2 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)

• Grant fee: The applicant shall pay the granted official fee within 2 months after receiving the granted notice.
• Annuity: It needs to be paid year by year starting from the fifth year from the application date.