A certified copy of the priority document needs
to be filed within 16 months from the earliest
priority date (with details needed at filing).
Priority certificate can be omitted if the basic
application was filed in the US, EP or KR, or a
priority certificate has already been lodged
with the USPTO or EPO. A PCT/SB/39 document
must be filed with the USPTO for the US data
to be usable.
The Japanese Patent Office accepts either
Japanese language applications or English
language applications followed by a Japanese
translation within 14 months from the earliest