via Paris Convention : 6 months from earliest priority date.
6 months before the filing date/priority date.
via Paris Convention : 6 months from earliest priority date.
no
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)
2 years
- Authorization Fee: None
- Annuity: payable year by year starting from the 6th year from the date of application
Inventions under the via Paris Convention : 12 months from the earliest priority date.
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.