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