no
no
no
no
It is protected for 5 years from the date of application, renewed every 5 years, and can be renewed twice, up to a maximum of 15 years.
- Authorization Fee: None
- Annuity: payable year by year starting from the 6th year from the date of application
6 months before the filing date/priority date.
2 years
DPDT only conducts formality examination of design patent applications, not substantive examination.
20 years (Bangladesh Patents Act 2022)
1 year