December 2018 | No. 12/2018


Non-Working Days at the International Bureau

For the purposes of computing time limits under PCT Rule 80.5, the days on which the International Bureau (IB) will not be open for business are, for the period from 1 January to 31 December 2019, the following:

All Saturdays and Sundays, and

1 January 2019

19 April 2019

22 April 2019

30 May 2019

10 June 2019

5 September 2019

25 December 2019

31 December 2019

Note that the days indicated above concern only the IB and not the national or regional Offices. The closed dates in 2019 for other Offices, where available, can be found on the PCT website at:


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