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.
Inventions under the via Paris Convention : 12 months from the earliest priority date.
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.
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.
1 year
6 months before the filing date/priority date.
no
2 years
20 years (Bangladesh Patents Act 2022)