\makeatletter
\def\ps@IEEEtitlepagestyle{
	\def\@oddfoot{\mycopyrightnotice}
	\def\@evenfoot{}
}
\def\mycopyrightnotice{
	{\footnotesize 978-1-5386-0951-4/18/\$31.00 {\copyright}2018 European Union\hfill}
}
\makeatother