User blog comment:Slate Vesper/Assassinews 15-06-'13 — Three Assassin's Creeds in development and Patrice Désilets' lawsuit with Ubisoft/@comment-11106160-20130621161452/@comment-1888015-20130621212829

Compared to Assassin's Creed, Watch Dogs is a new intellectual property.

It basically means the conceptual idea that enables a development team to create games and other media to make a universe of content.