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Understanding Patent Application Filing in Bangladesh

Who can file the patent application in Bangladesh?

An application for a patent may be filed by any of the following persons, either alone or jointly with any other person, whether he is a citizen of Bangladesh or not:

  • the true and first inventor of the invention;
  • the assignee of a person claiming to be the true and first inventor;
  • the legal representative of any deceased person who immediately before his/her death was entitled to make such an application.

How to file a Patent Application in Bangladesh?

Necessary requirements:

  • Three copies of Patent specification and claims in the English language;
  • Three copies/sets of drawing (if any) – one copy/set of which should be printed on tracing paper or cloth as formal drawings.
  • Complete details regarding the applicant(s) and inventor(s) (names, nationality and address);
  • Duly executed Power of Authority for the Agent;
  • A certified copy of the priority document (if any). If the document is in a language other than English, a verified English translation of the same is also required to be filed at the Bangladesh Patent Office.


All the details and other formal documents must be filed in English.

Sources: The Patents and Designs Act, 1911

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