- Authorization Fee: None
- Annuity: payable year by year starting from the 6th year from the date of application
no
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)
- Authorization Fee: None
- Annuity: payable year by year starting from the 6th year from the date of application
no
6 months before the filing date/priority date.
20 years (Bangladesh Patents Act 2022)
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
no
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.