Mr Johannesen's predecessor, Joannes Eidesgaard, had stepped down after quarrels with his foreign minister and disagreements within the coalition.

BBC: Faroe Islands

It is being sued by a patent-holding company acting on behalf of a dead Dutch programmer called Joannes Jozef Everardus van Der Meer.

BBC: Facebook sued over 'like' button

Kaj Leo Johannesen of the Union Party became prime minister in September 2008, a week after the collapse of former prime minister Joannes Eidesgaard's coalition.

BBC: Faroe Islands