Which is the competent authority for invention patent applications in Bangladesh

no

20 years (Bangladesh Patents Act 2022)

no

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

• 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.

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

via Paris Convention : 6 months from earliest priority date.

1 year