6 months before the filing date/priority date.
- Grant fee: The applicant shall pay the granted official fee within 2 months after receiving the granted notice.
- Annuity: It needs to be paid year by year starting from the fifth year from the application date.
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.
DPDT only conducts formality examination of design patent applications, not substantive examination.
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6 months before the filing date/priority date.
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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)
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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.