20 years (Bangladesh Patents Act 2022)
no
no
20 years (Bangladesh Patents Act 2022)
no
via Paris Convention : 6 months from earliest priority date.
no
- Authorization Fee: None
- Annuity: payable year by year starting from the 6th year from the date of application
If the patent is disclosed due to the display at the exposition or unintentional disclosure, the novelty grace period can be enjoyed within 6 months before the filing date/priority date.
2 years
Inventions under the via Paris Convention : 12 months from the earliest priority date.