Allen & Overy (A&O), CMS Hasche Sigle and McDermott Will & Emery have scored the leading roles on Telefonica’s €5bn (£4.3bn) purchase of Dutch telecoms company KPN’s German mobile unit.

Telefonica’s German subsidiary Telefonica Deutschland Holding has acquired E-Plus, the German business of KPN, in a deal which will also see KPN receive a 17.6% stake in Telefonica Deutschland.