https://euipo.europa.eu/ohimportal/en/web/guest-staging/news/-/action/view/4758391
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This weekend, our technical teams are upgrading the EUIPO main online portal in order to keep our systems and applications up-to-date and secure. As a consequence, on Saturday September 29 from 08:00-08:30 CEST, the EUIPO’s website, e-filing system and e-business tools will not be available.