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Re-registered
standard patent (R)
Original grant
standard patent (O)
Under Exam
Granted
Granted
Maintenance fee
Renewal fee
Renewal fee
Substantive exam
Grant of patent
(if overcome)
Examination notice
1st OA: 4 months to respond
2nd OA: 4 months to respond
Provisional decision of refusal
Request to review
Review opinion
Further Review opinion
2 months
Final decision
2 months
2 months
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