MPEP Q&A 45: Timing of Demand for International Preliminary Examination - a podcast by Lisa Parmley, USPTO Patent Practitioner #51006
from 2016-10-21T13:33:39
Question: When must the Demand for international preliminary examination be made? Answer: The Demand must be made prior to the expiration of whichever of the following periods expires later: (A) three months from the date of transmittal to the applicant of the international search report or of the declaration referred to in PCT Article 17(2)(a), and of the written opinion; or (B) 22 months from the priority date. Chapter Details: The answer to this question can be found in chapter 1800 of the MPEP. This chapter covers the patent cooperation treaty. Section Summary: This question and answer comes from section…
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