Patent Registration in Bangladesh

Bangladesh Patent System

Patent Application can be filed in (2) two categories in BD.

• Ordinary applications

-

• Conventional application (Claiming priority from a conventional country)

Late submission of priority documents (3) months

• Provisional and complete application

• Patent of Addition

PCT Contracting State

• Not Available

-

Paris Convention

• Available

-

Divisional Application

• Available

-

Restoration of lapsed patent

• Available

Within 18 months from the date of lapse

-

Patent Reg. Procedure

SEARCH (Optional)

• Available

Formal searching 5 to 10 working days

Informal 1 working day

Proprietor/ Owner/ Applicant searches (If needed)

• Available

Informal 2 working day

Registrable Patent

A patent for an invention is the grant of a property right to the inventor. Patents are granted for new, useful and non-obvious inventions. Patents are used to protect the way things work. A patent is a right granted for an invention that is new and useful. A registered patent provides the owner of the invention with the exclusive right to exploit it commercially for the life of the patent.

Filing and prosecution procedures

Stage 1: Filing

Stage 2:   Publication & Pre-Grant Opposition (if any)

Stage 3:  Examination

Stage 4:  Grant

Stage 5:  Post-Grant Opposition

EXAMINATION

Bangladeshi patent office conducts Substantive Examination on its own

Request for Examination

36 months from the date of priority/application

Deadline to respond to examination report

-

3 months

Extension of office action deadlines

• Available

Opposition

• 24 months
• Pre-Grant: After publication of the application and any time before the grant of patent
   
• Post-Grant: One year from the date of publication of grant

Duration of Patent Registration

20 years