The Israel Patent and Trademark Office (IPO) are open five days a week, from Sundays through Thursdays, but are closed on Fridays and Saturdays. Should a due date fall on a Friday or a Saturday, the required action may be postponed to the following Sunday with out penalty. This means that an Israel national phase entry or Paris date falling on a Friday or Saturday may be postponed to a Sunday.
However, please note, a Sunday deadline must be met as Sunday is a working day.
The National and Jewish holidays when the patent office is closed are:
Pesach (Passover) Wednesday 8 April to 15 April 2009
Israel Independence Day Wednesday 29, April 2009
Shavuot (Pentecost) Thursday 28, May 2009
Rosh Hashanah (Jewish New Year) Sunday 20, September 2009
Yom Kippur (Day of Atonement) 27-28 September 2009
Succot (Feast of Tabernacles)October 4-10, 2009
Please note – In Israel, Christmas, Easter and January 1 are regular working days.
The Israel Patent Office will also be closed on Election Day.