Filing Language: English | |
| via Paris Convention | |
Necessary documents:
| |
Attachments (if any)
*Bangladesh patent application documents need notarization | |
6 months before the filing date/priority date.
via Paris Convention : 6 months from earliest priority date.
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)
1 year
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.
Inventions under the via Paris Convention : 12 months from the earliest priority date.
20 years (Bangladesh Patents Act 2022)
2 years
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.