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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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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.
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Inventions under the via Paris Convention : 12 months from the earliest priority date.
Filing Language: English Necessary documents:
- Exterior Design Picture (Six Views)
- A Brief Description
Attachments (if any):
- Power of Attorney
- Priority certification documents and their English translations of Certified Priority Documents
- Declaration of Ownership/Certification of Employment/Assignment of priority
Assignment for Patent Right Transfer
All patent application documents in Bangladesh need to be notarized
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.
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.
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