| Filing Language: English |
Necessary documents:
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Attachments (if any):
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no
20 years (Bangladesh Patents Act 2022)
1 year
no
no
no
6 months before the filing date/priority date.
via Paris Convention : 6 months from earliest priority date.
DPDT only conducts formality examination of design patent applications, not substantive examination.
Inventions under the via Paris Convention : 12 months from the earliest priority date.