4 May 2018 update
The EPO is pleased to inform users of its Online Filing software that a corrective PCT update 3.51.256 for Version 5.10 (build 188.8.131.52 or higher) is now available for download. This update does not require deinstallation of the previous updates issued on 11 April 2018 and 3 May 2018.
Users who have activated the Live Update function will be notified automatically.
We apologise for any inconvenience.