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1843.05 Time Limit for Establishing the International Search Report and the Written Opinion of the International Searching Authority [R-6] - 1800 Patent Cooperation Treaty
1843.05 Time Limit for Establishing the International Search Report and the Written Opinion of the International Searching Authority [R-6]
Publication of the international application occurs at 18 months from the earliest priority date or, where there is no priority date, 18 months from the international filing date. The international search report is subject to international publication. The written opinion is not published but is made available to the public after the expiration of 30 months from the priority date. See PCT Rule 44ter. The Office goal is to have the search report and, if the application has an international filing date on or after January 1, 2004, the written opinion, mailed in sufficient time to reach the International Bureau by the end of 16 months from the priority date or 9 months from the filing date if no priority claim is made. This is necessary since the technical preparations for publication are completed by 17.5 months from the earliest priority date. In view of the treaty mandated publication and the time needed for technical preparation, the Office sets time periods for completion of the search report and the written opinion which will ensure sufficient time to complete internal processing and review and achieve receipt of the search report and the written opinion at the International Bureau by the 16th month from the priority date. See PCT Rule 42.1 and 43bis .1(a).
Thus, as a matter of practice, each Technology Center tends to set its internal time period for completion of the search report and the written opinion to meet the time limits set by the International Application Processing Division. The International Application Processing Division sets its time for completion to ensure adequate time for review, corrections (where necessary) and mailing.
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The Patent Cooperation Treaty is extremely date sensitive and for that reason, examiners are encouraged to complete the international search and prepare the search report, and in applications having an international filing date filed on or after January 1, 2004, the written opinion, promptly after receipt. Monitoring and tracking procedures have been devised to minimize the risk of late search reports and written opinions and/or date of transmission thereof.
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