What are the requirements for Bangladesh invention patent application documents

Filing Language: English
via Paris Convention
Necessary documents: Abstract Abstract Drawing Claim Specification Drawing
Attachments (if any) Power of Attorney Certified Priority Document Sequence Listing (PDF format and TXT format) Certificate of Deposit of Microorganisms and its Bengali Translation Certificate of Microorganism Survival and its Bengali Translation Priority certificate/Certified Priority Document English translation Declaration of Ownership/Certification of Employment/Assignment of priority Assignment for Patent Right Transfer Notification issued by CNIPA notify the applicant the application has passed through the security review translator statement *Bangladesh patent application documents need notarization

20 years (Bangladesh Patents Act 2022)

1 year

Bangladesh Patent and Trademark Office

English: Department of Patents, Designs and Trademarks Ministry of Industries, abbreviation: DPDT

via Paris Convention : 6 months from earliest priority date.

DPDT only conducts formality examination of design patent applications, not substantive examination.

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.

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.