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